Emeritus Professor David St John

Professorial Research Fellow

School of Mechanical and Mining Engineering
Faculty of Engineering, Architecture and Information Technology

Emeritus Professor

School of Mechanical and Mining Engineering
Faculty of Engineering, Architecture and Information Technology
d.stjohn@uq.edu.au
+61 7 336 53641

Overview

Qualifications

  • PhD, The University of Queensland
  • Bachelor of Science (Honours), The University of Queensland

Publications

View all Publications

Publications

Book Chapter

  • Easton M. A. and Stjohn D. H. (2013). The effect of alloy content on the grain refinement of aluminium alloys. In John F. Grandfield and Dmitry G. Eskin (Ed.), Cast Shop for Aluminum Production (pp. 393-399) Hoboken, NJ, USA: John Wiley & Sons. doi:10.1002/9781118647783.ch48

  • Sweet, L., Easton, M. A., Taylor, J. A., Davidson, C. J., Lu, L., Couper, M. J. and St John, D. H. (2012). Hot tear susceptibility of Al-Mg-Si alloys with varying iron contents. In Minerals, Metals and Materials Society (Ed.), Supplemental Proceedings: Materials Properties, Characterization, and Modeling, Volume 2 presented by the TMS Aluminum Committee at the TMS 2012 141st Annual Meeting & Exhibition, Orlando, Florida, USA, March 11-15, 2012 (pp. 275-282) Hoboken, NJ, USA: John Wiley & Sons. doi:10.1002/9781118357002.ch36

  • Taylor, J. A., St John, D. H. and Easton, M. A. (2011). Case studies in aluminium casting alloys. In Roger Lumley (Ed.), Fundamentals of aluminium metallurgy: Production, processing and applications (pp. 185-216) Cambridge, United Kingdom: Woodhead Publishing.

  • Easton, M. A., Qian, Ma and StJohn, D. H. (2009). Grain refinement in alloys: Novel approaches. In K.H. Jurgen Buschow (Ed.), The Encyclopedia of Materials Science and Technology (pp. x-x) Amsterdam ; New York: Elsevier.

  • Dahle, A. K. and St John, D. H. (2002). Processing via the Liquid State. In Rees Rawlings (Ed.), Encyclopedia of Life Support Systems (ELOSS) 1st ed. (pp. 1-46) Oxford, United Kingdom: Eolss Publishers.

Journal Article

Conference Publication

  • Easton, Mark A., St John, David H. and Prasad, Arvind (2014). Grain refinement of aluminium alloys: recent developments in predicting the as-cast grain size of alloys refined by Al-Ti-B master alloys. In: John Grandfield, Light Metals 2014. Light Metals 2014 - 2014 TMS 143rd Annual Meeting and Exhibition, San Diego, United States, (939-944). 16-20 February 2014. doi:10.1002/9781118888438.ch156

  • Easton M.A., Prasad A. and St. John D.H. (2014). The grain refinement of Al-Si alloys and the cause of Si poisoning: Insights revealed by the interdependence model. In: Aluminium Alloys, ICAA 2014. 14th International Conference on Aluminium Alloys, ICAA 2014, Trondheim, (161-166). June 15, 2014-June 19, 2014. doi:10.4028/www.scientific.net/MSF.794-796.161

  • StJohn, D. H., Cao, P., Qian, M. and Easton, M. A. (2013). A brief history of the development of grain refinement technology for cast magnesium alloys. In: Norbert Hort, Suveen N. Mathaudhu, Neale R. Neelameggham and Martyn Alderman, Magnesium Technology 2013. Magnesium Technology 2013 - TMS 2013 142nd Annual Meeting and Exhibition, San Antonio, United States, (3-8). 3-7 March 2013. doi:10.1002/9781118663004.ch1

  • StJohn, David H., Easton, Mark A., Cao, Peng, Bermingham, Michael and Qian, Ma (2013). A brief history of the grain refinement of cast light alloys. In: Light Metals Technology 2013. LMT 2013: 6th International Light Metals Technology Conference, Old Windsor, UK, (123-129). 24-26 July, 2013. doi:10.4028/www.scientific.net/MSF.765

  • Prasad, Arvind, Yuan, Lang, Lee, Peter D. and StJohn, David H. (2013). Improvement of the interdependence analytical model through selection of interfacial growth rates during the initial transient. In: Ian Stone, Brian McKay and Zhongyun Fan, Light Metals Technology 2013. LMT 2013: 6th International Light Metals Technology Conference, Old Windsor, UK, (77-81). 24-26 July, 2013. doi:10.4028/www.scientific.net/MSF.765.77

  • Prasad, Arvind, Yuan, Lang, Lee, Peter and St John, David (2013). Modelling of the Nucleation-Free Zone formed during the initial transient of grain formation. In: TMS2013 142nd Annual Meeting and Exhibition Supplemental Proceedings. TMS 142nd Annual Meeting and Exhibition, San Antonio, TX, United States, (501-508). 3-7 March 2013. doi:10.1002/9781118663547.ch62

  • Pucina, Eraldo, de Looze, Geoff, Tomus, Dacian, Easton, Mark A., Schiffl, Andreas and St John, David H. (2013). Practical considerations on the application of ultrasonic treatment to Mg-Al shape castings. In: Light Metals Technology 2013. LMT 2013: 6th International Light Metals Technology Conference, Old Windsor, United Kingdom, (255-259). 24-26 July, 2013. doi:10.4028/www.scientific.net/MSF.765.255

  • Sun, Ming, Guohua, Wu, Easton, M. A., StJohn, D. H., Abbott, T. and Ding, Wenjiang (2012). A comparison of the microstructure of three Mg-Zr master alloys and their grain refinement efficiency. In: Warren J. Poole and Karl-Ulrich Kainer, 9th International Conference on Magnesium Alloy and Their Applications: Conference Proceedings. 9th International Conference on Magnesium Alloy and Their Applications, Vancouver,Canada, (873-880). 8-12 July 2012.

  • Palanisamy, S., Dargusch, M. S., Sun, S., Bermingham, M. J., Wen, C. E., Wang, G., Xia, K. and StJohn, D. H. (2012). Review of recent titanium research in Australia. In: Lian Zhou, Hui Chang, Yafeng Lu and Dongsheng Xu, Ti-2011, proceedings of the 12th World Conference on Titanium. 12th World Conference on Titanium, Ti 2011, Beijing, China, (2210-2214). 19-24 June 2011.

  • StJohn, David H., Easton, Mark A and Qian, Ma (2012). The Interdependence Theory: an improved predictor of grain size. In: Hasso Weiland, Anthony D. Rollett and William A. Cassada, Proceedings of the 13th International Conference on Aluminum Alloys. 13th International Conference on Aluminum Alloys (ICAA13), Pittsburg, United States, (1419-1424). 3-7 June 2012. doi:10.1002/9781118495292.ch216

  • StJohn, David H., Easton, Mark A., Qian, Ma, Cao, Peng and Bermingham, Michael J. (2011). Introduction to the interdependence theory of grain formation and its application to aluminium, magnesium and titanium alloys. In: Hajo Dieringa, Norbert Hort and Karl Ulrich Kainer, Light Metals Technology V: Selected, peer reviewed papers from the 5th International Conference on Light Metals Technology. 5th International Conference on Light Metals Technology, Luneburg, Germany, (206-209). 19-22 July 2011. doi:10.4028/www.scientific.net/MSF.690.206

  • Palanisamy, S., Dargusch, M. S., McDonald, S. D. and St John, D. H. (2011). Machining of titanium alloys with and without coolant. In: Light Metals Technology V. 5th International Conference on Light Metals Technology, Lüneburg, Germany, (481-484). 19-22 July 2011. doi:10.4028/www.scientific.net/MSF.690.481

  • Bermingham, Michael J., McDonald, Stuart D., Dargusch, Matthew S. and StJohn, David H. (2010). Effect of oxygen on the beta-grain size of cast titanium. In: Jian-Feng Nie and Allan Morton, Proceedings of: PRICM 7: Selected peer reviewed papers from the Seventh Pacific Rim International Conference on Advanced Materials and Processing. 7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7, Cairns, QLD, Australia, (1472-1475). 2-6 August 2010. doi:10.4028/www.scientific.net/MSF.654-656.1472

  • Easton, Mark, Davidson, Cameron and St John, David (2010). Grain morphology of as-cast wrought aluminium alloys. In: Osamu Umezawa, Shinji Kumai, Yoshimasa Takayama, Takayuki Tsuchida and Tatsuo Sato, Proceedings of the 12th International Conference on Aluminium Alloys. 12th International Conference on Aluminium Alloys (ICAA12), Yokohama, Japan, (173-178). 5-9 September 2010.

  • Easton, Mark, StJohn, David and Sweet, Lisa (2010). Grain refinement and hot tearing of aluminium alloys - How to optimise and minimise. In: J. A. Taylor, J. F. Grandfield and A. Prasad, Aluminium cast house technology XI: Selected, peer reviewed papers from the International conference, organised by the CAST CRC on behalf of the aluminium industry. 11th International Conference on Aluminium Cast House Technology, Surfers Paradise, QLD, (213-221). 13-16 September 2009. doi:10.4028/www.scientific.net/MSF.630.213

  • Viano, David Michael, Wells, M. and St John, David H. (2009). A comparison of hot tear testing and hot tensile testing of Al-Cu alloys. In: TMS 2009: Proceedings. 138th TMS Annual Meeting, San Francisco, CA, United States, (817-822). 15-19 Feb 2009.

  • StJohn, D. H., Easton, M. A. and Qian, Ma (2009). An inverse growth restriction model for predicting solidified grain size. In: Steve L. Cockcroft and Daan M. Maijer, Modeling of Casting, Welding, and Advanced SolidificationProcesses-XII : Proceedings from the Twelfth International Conference on Modeling of Casting, Welding and Advanced Solidification Processes. 12th International Conference on Modeling of Casting, Welding and Advanced Solidification Processes, Vancouve, Canada, (477-484). 7-14 June 2009.

  • StJohn, D. H., Easton, M. A. and Qian, Ma (2009). An overview of CAST's magnesium programs and an update on recent grain refinement research. In: Karl U. Kainer, Proceedings of. Magnesium: 8th International Conference on Magnesium Alloys and their Applications.. Magnesium: 8th International Conference on Magnesium Alloys and their Applications, Weimar, Germany, (1367-1382). 26-29 October 2009.

  • Qian, M. and StJohn, D. H. (2009). Grain nucleation and formation in Mg-Zr alloys. In: D M Stefanescu, Hideyuki Yasuda and N R Green, International Journal of Cast Metals Research: Proceedings of the 2nd International Conference on Advances in Solidification Processes ICASP-2. 2nd International Conference on Advances in Solidification Processes ICASP-2, Seggau Castle, Graz, Austria, (256-259). 17-20 June, 2008. doi:10.1179/136404609X367885

  • Alexander John Michael Buddery, Dargusch, Matthew S., St John, David H., Drennan, John and Nabulsi, S. (2009). Laser Welding of Titanium and its Alloys for Medical Applications: Current Knowledge and Future Direction. In: Dargusch, M.S., Proceedings of 4th International Light Metals Technology Conference (LMT 2009). 4th International Light Metals Technology Conference (LMT 2009), Gold Coast, AUSTRALIA, (291-294). JUN 29-JUL 01, 2009. doi:10.4028/www.scientific.net/MSF.618-619.291

  • Bermingham, Michael, McDonald, Stuart D., St John, David H. and Dargusch, Matthew S. (2009). Latest developments in understanding the grain refinement of cast titanium. In: Dargusch, Matthew S., Proceedings of the 4th International Light Metals Technology Conference 2009. 4th International Light Metals Technology Conference (LMT 2009), Gold Coast, Australia, (315-318). 29 June - 1 July 2009. doi:10.4028/www.scientific.net/MSF.618-619.315

  • St. John, D. H., Easton, M. A. and Qian, Ma (2008). Controlling the semisolid grain size during solidification. In: G. Hirt,, A. Rassili and A. Bührig-Polaczek, Solid State Phenomena. Semi-Solid Processing of Alloys and Composites X. Proceedings of The 10th International Conference on Semi-Solid Processing of Alloys and Composites. The 10th International Conference on Semi-Solid Processing of Alloys and Composites, Aachen, Germany; Liège, Belgium, (355-360). 16– 18 September 2008. doi:10.4028/www.scientific.net/SSP.141-143.355

  • St John, David H., Easton, Mark A., Cao, Peng and Qian, Ma (2007). A new approach to the analysis of grain refinement. In: Howard Jones, Solidification processing 2007: SP07: Proceedings of the 5th Decennial International Conference on Solidification Processing. 5th Decennial International Conference on Solidification Processing, Sheffield, United Kingdom, (99-103). 23-25 July 2007.

  • Easton, M., St John, D.H. and Kaufmann, H. (2007). A re-analysis of the effect of cooling conditions on grain size in conventional and semi-solid casting. In: Jones, H., Solidification Processing 2007. 5th Decennial International Conference on Solidification Processing, Sheffield, United Kingdom, (144-147). 23-25 July 2007.

  • Lu, L., Dahle, A.K., Davidson, C. and St John, D.H. (2007). Hot Tearing of Al-Si Alloys. In: Sorlie, M., Proceedings of the technical sessions presented by the TMS Aluminium Commission. Light Metals 2007, Orlando, Florida, USA, (721-726). February 25 - March 1 2007.

  • Viano, D.M., Spittle, J.A., Brown, S.G.R. and St John, D.H. (2007). Hot tearing in aluminium-zinc binary alloys: a comparison between experimental and modelling results. In: Jones, H., Proceedings of the 5th Decennial Conference on Solidification Processing. Solidification Processing 2007 (SP07), Sheffield, United Kingdom, (540-543). 23-25 July 2007.

  • Dover, I., Baumann, H., StJohn, D. H. and Dargusch, M. S. (2007). Integrating process, material and business strategies to transform a small-medium aluminium products manufacturer. In: Y.W. Chang, N.J. Kim and C.S. Lee, PRICM 6: 6th Pacific Rim International Conference on Advanced Materials and Processing, Jeju Island, Korea, (345-348). 5-9 November 2007. doi:10.4028/www.scientific.net/MSF.561-565.345

  • StJohn, D. H., Easton, M. A., Cao, P. and Qian, M. (2007). New approach to the analysis of grain refinement. In: Howard Jones, Decennial International Conference on Solidification Processing (SP07). 5th Decennial International Conference on Solidification Processing, Sheffield, United Kingdom, (131-135). 23-25 July 2007. doi:10.1179/136404607X240562

  • St John, D.H. (2007). Overview of CAST and Australian Magnesium Research. In: Han, Y., Progress in Light Metals, Aerospace Materials and Superconductors. 2006 Beijing International Materials Week, Beijing, China, (49-54). 25-30 June 2006.

  • StJohn, David H. (2007). Overview of current international magnesium research and recent CAST CRC developments. In: Advanced Materials and Processing IV - Selected, peer reviewed papers presented at the 4th International Conference on Advanced Materials and Processing. 4th International Conference on Advanced Materials and Processing, ICAMP-4, Hamilton, (3-8). December 10, 2006-December 13, 2006. doi:10.4028/www.scientific.net/AMR.29-30.3

  • Dargusch, M.S., McDonald, S.D., Palanisamy, S. and St John, D.H. (2007). The influence of Process Parameters during Machining of Ti6A14V Alloy. In: Materials Science Forum. PRICM 6, Jeju Island, Korea, (159-162). 5-9 November 2007.

  • Palanisamy, S., Dargusch, M. S., McDonald, S. D. and StJohn, D. H. (2007). The influence of process parameters during machining of Ti6Al4V alloy. In: Young Won Chang, Nack J. Kim and Chong Soo Lee, PRICM 6: The Sixth Pacific Rim International Conference on Advanced materials and Processing, Cheju Island, South Korea, (159-162). 5-9 November, 2007. doi:10.4028/www.scientific.net/MSF.561-565.159

  • Easton, M. and St John, D.H. (2007). Theoretical Advances leading to improvements in Commercial Grain Refinement Practices in Al Alloys. In: Cairney, J. and Ringer, S., Materials Forum. Materials and Austceram 07, Sydney, Australia, (57-63). 4-6 July 2007.

  • McDonald, S.D., Dargusch, M.S., Song, G. and St John, D.H. (2007). Unintentional Effects of Sr Additions in Al-Si Foundry Alloys. In: Crepeau, P.N., Tiryakioglu, M. and Campbell, J., Shape Casting: The 2nd International Symposium. TMS Annual Meeting and Exhibition, Orlando, Florida, USA, (59-68). 25 February to 1 March, 2007.

  • Palanisamy, S., McDonald, S.D., Dargusch, M.S. and St John, D.H. (2007). Vibration and surface deformation during machining of Ti6Al4V alloys. In: K. Sadayappan and M. Sahoo, Proceedings of the Third International Conference on Light Metal Technology. Light Metals Technology Conference 2007, Canada, (279-282). 24-26 September, 2007.

  • Cao, P., Qian, Ma, Kondoh, K. and StJohn, D. H. (2006). A comparative study of carbon additives on grain refinement of magnesium alloys. In: K. U. Kainer, Magnesium: Proceedings of the 7th International Conference Magnesium Alloys and Their Applications. Magnesium 2006: 7th International Conference on Magnesium Alloys and Their Applications, Dresden, Germany, (8-13). 6-9 November 2006.

  • StJohn, D. H., Cao, Peng, Qian, Ma and Easton, Mark A. (2006). A reassessment of the grain refinement mechanisms of magnesium alloys. In: K. U. Kainer, Magnesium: Proceedings of the 7th International Conference Magnesium Alloys and Their Applications. Magnesium 2006: 7th International Conference on Magnesium Alloys and Their Applications, Dresden, Germany, (189-199). 6-9 November 2006.

  • Easton, Mark A., Grandfield, John, St John, David and Rinderer, Barbara (2006). The effect of grain refinement and cooling rate on the hot tearing of wrought aluminium alloys. In: Fred H. Wohlbier, Graeme Murch and Yiu-Wing Mai, Materials Science Forum; Aluminium alloys 2006 : research through innovation and technology : proceedings of the 10th International Conference on Aluminium Alloys. 10th International Conference on Aluminium Alloys, Vancouver, Canada, (1675-1680). 9-13 July 2006. doi:10.4028/www.scientific.net/MSF.519-521.1675

  • Song, G. and St John, D. H. (2005). Corrosion Inhibition of Magnesium Alloys in Coolants. In: Magnesium Technology 2005. Magnesium Technology 2005, San Francisco, USA, (469-474). February 13-17 2005.

  • Cao, Peng, Qian, Ma and St John, David (2005). Grain refinement of commercial purity Mg-9%Al alloys by superheating. In: Neal R. Neelameggham, Howard I. Kaplan and Bob Ross Powell, Magnesium Technology 2005: Proceedings of the Symposium on Magnesium Technology. TMS 2005. 134th Annual Meeting and Exhibition: Fundamental Science, Emerging Technology, Practical Application--Where the Connection is Made., San Francisco, CA, U.S.A., (297-302). 13-17 February 2005.

  • Cao, P., Qian, Ma and StJohn, D. H. (2005). Grain refinement of magnesium-aluminium alloys by iron inoculation. In: Jian-Feng Nie, Nigel A. Stone and Matthew Barnett, Advanced Materials Processing. Proceedings of the 3rd International Conference on Advanced Materials Processing (ICAMP-3) and International Ceramic Conference & Exhibition, Austceram 2004. 3rd International Conference on Advanced Materials Processing (ICAMP-3) and International Ceramic Conference & Exhibition AUSTCERAM 2004, Melbourne, VIC, Australia, (301-305). 29 November-1 December 2004.

  • StJohn, David H., Qian, Ma, Easton, Mark A., Cao, Peng and Hildebrand, Zoë (2005). Mechanisms of grain refinement of magnesium alloys. In: Magnesium Technology 2004: Proceedings of the Symposium on Magnesium Technology 2004 held at the TMS Annual Meeting. TMS 2004: 133rd Annual Meeting & Exhibition, Charlotte, North Carolina, U.S.A., (). 14-17 March, 2004.

  • St John, D. H. and Easton, M. (2005). The Application of a New Analytical Method for the Assessment of the Grain Refinement of Light Alloys. In: Dr Kaufmann, Proceedings of the 2nd International Light metals Technology Conference 2005. International Light metals Technology, St Wolfgang am Wolfgangsee, Austria, (63-68). June 2005.

  • Dargusch, M. S., Keay, S., Arthur, J. and St John, D. H. (2005). The CAST Industry Best Practice Program. In: 36th Australian Foundry Institute National Conference. 36th Australian Foundry Institute National Conference, Sydney, (). 23-26 October 2005.

  • Cao, Peng, St. John, David H. and Qian, Ma (2005). The effect of manganese on the grain size of commercial AZ31 alloy. In: Fred H. Wohlbier, Graeme Murch and Yiu-Wing Mai, Materials Science Forum. Proceedings of the International Conference on Magnesium - Science, Technology and Applications. International Conference on Magnesium - Science, Technology and Applications, Beijing, China, (139-142). 20-24 September 2004. doi:10.4028/www.scientific.net/MSF.488-489.139

  • Lu, L., Dahle, A. K., Taylor, J. A. and St John, D. H. (2005). Theoretical and practical considerations of grain refinement of magnesium alloys. In: W. Ke, E. H. Han, Y. F. Han, K. Kainer and A. A. Luo, Materials Science Forum. The International Conference on Magnesium - Science, Technology and Applications, Beijing, China, (299-302). 20-24 September 2004.

  • Qian, Ma, StJohn, D. H. and Frost, M. T. (2004). A new zirconium-rich master alloy for the grain refinement of magnesium alloys. In: K. U. Kainer, Magnesium: Proceedings of the 6th International Conference Magnesium Alloys and Their Applications. 6th International Conference Magnesium Alloys and Their Applications, Wolfsburg, (707-712). 18-20 November, 2003. doi:10.1002/3527603565.ch112

  • St John, D. H. and Easton, M. (2004). Factors affecting the development of a fine grained solidification microstructure in aluminium alloys. In: Light Metals 2004: Proceedings of the Technical Sessions presented by the TMS Aluminum Committee at the 133rd TMS Annual Meeting. 133rd TMS Annual Meeting & Exhibition, Charlotte, USA, (147-156). 14-18 March 2004.

  • Hildebrand, Zoë C.G., Qian, Ma, StJohn, David H. and Frost, Malcolm T. (2004). Influence of zinc on the soluble zirconium content in magnesium and the subsequent grain refinement by zirconium. In: Alan A. Luo, Magnesium Technology 2004: Proceedings of the Symposium on Magnesium Technology 2004 held at the TMS Annual Meeting. TMS 2004: 133rd Annual Meeting and Exhibition, Charlotte, North Carolina, U.S.A., (241-245). 14-18 March 2004.

  • Easton, M., St John, D. H. and Sweet, E. (2004). Reducing the cost of grain refiner additions to VDC castings. In: Light Metals 2004: Proceedings of the Technical Sessions presented by the TMS Aluminum Committee at the 133rd TMS Annual Meeting. 133rd TMS Annual Meeting & Exhibition, Charlotte, North Carolina, USA, (827-831). 14-18 March 2004.

  • St John, D. H. (2004). The Australian Die Casting industry in a lighter, greener future. In: S Gulizia, 12th Die Casting Conference of the Australian Die Casting Association. 12th Die Casting Conference of the Australian Die Casting Assn, Melbourne, Australia, (1-5). 28-31 March 2004.

  • Barnett, RS, Taylor, JA and St John, DH (2004). The influence of hydrogen on the hot tearing susceptibility of aluminium-silicon alloys. In: Solidification of Aluminum Alloys. Symposium on Solidification of Aluminum Alloys held at the TMS 2004 Annual Meeting, Charlotte Nc, (201-209). Mar 14-18, 2004.

  • Barnett, R. S., Taylor, J. A. and St John, D. H. (2004). The influence of hydrogen on the hot tearing suseptibility of aluminium-silicon alloys. In: M G Chu, D A Granger and Q Han, Solification of Aluminium Alloys TMS 133rd Annual Meeting & Exhibition. Proceedings of the TMS 133rd Annual Meeting & Exhibition, North Carolina, USA, (201-209). 15-18 March 2004.

  • Barnett, R. S., Taylor, J. A. and St John, D. H. (2003). A method for reducing hot tearing in 356 alloy air-intake manifolds. In: A Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (175-178). 18-20 September 2003.

  • Bettles, Colleen Joyce, Forwood, Christopher, StJohn, David, Frost, Malcolm, Jones, Darryl, Qian, Ma, Song, Guangling, Griffiths, John and Nie, Jian Feng (2003). AMC-SCI: An elevated temperature magnesium alloy suitable for precisiion sand casting of powertrain components. In: Howard I. Kaplan, Magnesium Technology 2003, San Diego, California, (223-226). 2-6 March, 2003.

  • Bettles, Colleen, Forwood, Chris, Jones, Darryl, Griffiths, John, Frost, Malcolm, St. John, David, Qian, Ma, Song, Guangling and Nie, Jian-Feng (2003). Amc-Sc1: A new magnesium alloy suitable for powertrain applications. In: Proceedings of the Society of Automotive Engineers World Congress. SAE 2003 World Congress, Detroit, MI, United States, (). 16-18 April 2003.

  • St John, D. H. (2003). Automotive applications for light metals. In: The Future of the Motor Car! Emerging Transport Technology Conference. The Future of the Motor Car! Emerging Transport Technology Coe, Adelaide, Australia, (59-64). 28-29 October 2003.

  • Dour, G., Dargusch, M. S., Davidson, C. J., Nef, A. and St John, D. H. (2003). Development of a non intrusive heat transfer coefficient gauge and its application to high pressure die casting. In: A Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (155-160). 18-20 September 2003.

  • Hildebrand, Z. C., Qian, Ma, St John, D. H. and Frost, M. T. (2003). Dissolution of Zirconium as AM-Cast in Magnesium. In: A. Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (195-198). 18-20 September 2003.

  • Hildebrand, Zoe, Qian, Ma, StJohn, D. H. and Frost, M. T. (2003). Dissolution of zirconium as zirCAST in molten magnesium. In: Proceedings of the 1st International Light Metals Technology Conference. 1st Light Metals Technology Conference, Brisbane, Australia, (195-198). 18-20 September, 2003.

  • Qian, Ma, St. John, David H. and Frost, Malcolm T. (2003). Effect of soluble and insoluble zirconium on the grain refinement of magnesium alloys. In: Y. Kojima, T. Aizawa, K. Higashi and S. Kamado, Materials Science Forum. Proceedings of the Second Osaka International Conference on Platform Science and Technology for Advanced Magnesium Alloys. Second Osaka International Conference on Platform Science and Technology for Advanced Magnesium Alloys, Osaka, Japan, (593-598). 26-30 January 2003. doi:10.4028/www.scientific.net/MSF.419-422.593

  • Cao, P., Qian, Ma, StJohn, D. H. and Frost, M. T. (2003). Effect of the uptake of iron on the grain refinement of pure magnesium by zirconium. In: Proceedings of the 1st International Light Metals Technology Conference. 1st Light Metals Technology Conference, Brisbane, Australia, (183-186). 18-20 September, 2003.

  • Qian, Ma, StJohn, D. H., Frost, M. T. and Barnett, R. M. (2003). Grain refinement of pure magnesium using rolled zirmax master alloy (Mg-33.3ZR). In: Howard I. Kaplan, Magnesium Technology 2003, San Diego, California, USA, (215-220). 2-6 March, 2003.

  • Binney, M. N., StJohn, D. H., Dahle, A. K., Taylor, J. A., Burhop, E. C. and Cooper, P. S. (2003). Grain refinement of secondary aluminium-silicon casting alloys. In: Paul N. Crepeau, Light Metals 2003: Proceedings of the technical sessions presented by the TMS Aluminium Committee at the 132nd TMS annual meeting. TMS2003: 132nd Annual International Meeting & Exhibition, San Diego, CA, U.S.A., (917-922). 2-6 March 2003.

  • Viano, D. M., St John, D. H., Caceres, C. H. and Grandfield, J. F. (2003). Hot tearing of aluminium - copper alloys. In: Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Qld, Australia, (247-250). 18-20 September, 2003.

  • Cao, P., Qian, Ma, St John, D. H. and Frost, M. T. (2003). Influence of the Uptake of Iron on the Grain Refinement of Pure Magnesium by Zirconium. In: A. Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (183-186). 18 - 20 September, 2003.

  • Song, G., Atrens, A., Jia, J.X. and St John, D. H. (2003). Modeling and Experimental Study of the Galvanic Corrosion of AZ91D Magnesium Alloy in contact with Steel in NaC1 solution. In: 13th Asian-Pacific Corrosion Control Conference. 13th Asian-Pacific Corrosion Control Conference, Japan, (14-14). 16-21 November 2003.

  • Easton, M., St John, D. H., Sweet, L. and Couper, M. J. (2003). Optimising the cost of grain refinement by separate TiB2 and Ti additions to wrought aluminium alloys. In: P Whiteley, 8th Aluminium Cast House Technology Conference. 8th Aluminium Cast House Technology Conference, Brisbane, Australia, (153-165). 14-17 September 2003.

  • Jia, J.X., Song, G., Atrens, A., St John, D. H. and Chandler, G. A. (2003). Prediction and experimental measurement of galvanic corrosion for a magnesium-steel couple in corrosive water. In: A Dahle, The First International Light Metals Technology Conference 2003. The First International Light Metals Technology Conference 203, Brisbane, Australia, (397-400). 18-20 September 2003.

  • Wang, H., Davidson, C. J. and St John, D. H. (2003). Semi-solid casting of A356 alloy produced by controlled pouring. In: A Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (219-222). 18-20 September 2003.

  • St John, D. H., Dahle, A. K., Abbott, T., Nave, M. D. and Qian, Ma (2003). Solidification of cast magnesium alloys. In: Howard I. Kaplan, Magnesium Technology 2003, San Diego, California, USA, (95-100). 2-6 March, 2003.

  • Dunlop, Gordon, St John, David and Frost, Malcolm (2003). The AMC-CAST alliance for advanced magnesium research and development. In: Yo Kojima, Magnesium Alloys 2003: Proceedings of the Second Osaka International Conference on Platform Science and Technology for Advanced Magnesium Alloys. Osaka International Conference on Platform Science and Technology for Advanced Magnesium Alloys, Osaka, Japan, (565-573). 26-30 January 2003. doi:10.4028/www.scientific.net/MSF.419-422.565

  • St John, D. H. (2003). The CAST CRC - A light metals partnership between industry and R&D providers. In: A Dahle, Proceedings of the 1st International Light Metal Technology Conference 2003. Light Metals Technology Conference 2003, Brisbane, Australia, (3-8). 18-20 September 2003.

  • Bettles, C.J., Beste, F., St John, D. H. and Frost, M. (2003). The lightweight concept engine: A novel crankcase design with a new magnesium alloy. In: A Dahle, The First International Light Metals Technology Conference 2003. The First International Light Metals Technology Conference 203, Brisbane, Australia, (69-73). 18-20 September 2003.

  • Dinnis, C., Taylor, John A., Dahle, Arne K., St John, David H. and Schneider, W. (2003). The role of manganese and iron in porosity formation in Al-Si foundry alloys. In: Light metals: Proceedings of the 42nd Annual Conference of Metallurgists: Global Solutions for Metals and Materials. Proceedings of the 42nd Annual Conference of Metallurgists, Pennsylvannia, U.S.A., (483-497). 24 - 27 August, 2003.

  • Qian, Ma, StJohn, D. H. and Frost, M. T. (2003). Zirconium alloying and grain refinement of magnesium alloys. In: Howard I. Kaplan, Magnesium Technology 2003, San Diego, California, USA, (209-214). 2-6 March 2003.

  • Boot, D, Cooper, P, St John, D. H. and Dahle, A. K. (2002). A comparsion of grain refiner master alloys for the foundry. In: W Schneider, Light Metals 2002. TMS Annual Meeting, 2002, Seattle, WA, USA, (909-916). 17-21 February 2002.

  • Taylor, J. A. and St John, D. H. (2002). A cooperative process for conducting R&D in the aluminium casthouse products sector. In: Wolfgang Schneider, Light Metals 2002. 131st TMS Annual Meeting - Light Metals Symposium, Seattle, WA, USA, (659-666). 17-21 February 2002.

  • Taylor, JA and StJohn, DH (2002). A cooperative process for conducting R&D in the alumnium casthouse products sector. In: Light Metals 2002. 131st TMS Annual Meeting, Seattle Wa, (659-666). Feb 17-21, 2002.

  • Qian, Ma, St John, David, Maloney, Sally K. and Couper, Malcolm J. (2002). As-Cast Microstructure in VDC Cast AA 6082 Billet. In: Materials Science Forum: Aluminium Alloys 2002. 8th International Conference of Aluminium Alloys, Cambridge, U.K., (191-196). 2-5 July 2002. doi:10.4028/www.scientific.net/MSF.396-402.191

  • Taylor, J. A., St John, D. H. and Bainbridge, I. F. (2002). Cooperative R&D for the aluminium casthouse. In: M Nilmani, Alcastek 2002 Aluminium Cast House Technology. 1st International Conference on Aluminium Casthouse Technology (Al), Mumbai, India, (90-99). 1-4 December, 2002.

  • Wang, H., Davidson, C. J., Taylor, J. A. and St John, D. H. (2002). Semisolid casting of AlSi7Mg0.35 alloy produced by low-temperature pouring. In: P. J. Gregson and S. Harris, Materials Science Forum: Proceedings of the 8th International Conference on Aluminium Alloy. 8th International Conference on Aluminium Alloys, Cambridge, England, (143-148). 2-5 July, 2002.

  • Qian, Ma, StJohn, D. H. and Frost, M.T. (2002). Zirconium alloying and grain refinement of magnesium alloys with zirmax. In: Proceedings of the Australia-Japan Workshop on Advancements in Magnesium Alloys and Processes. Australia-Japan Workshop on Advancements in Magnesium Alloys and Processes, Brisbane, Noosa and Central Queensland, (). 23-26 January, 2002.

  • Song, G., Atrens, A. and St John, D. H. (2001). An hydrogen evolution method for the estimation of the corrosion rate of magnesium alloys. In: J N Hyrn, Magnesium Technology 2001. Magnesium Technology 2001, New Orleans, USA, (255-262). 11-15 Feb 2001.

  • Taylor, J. A., Wang, H., St John, D. H. and Bainbridge, I (2001). Anomalous grain coarsening behaviour in grain-refined aluminium alloys cast using low superheat. In: J L Anjier, Light Metals 2001. 130th TMS Annual Meeting - Light Metals Symposium, New Orleans, LO, USA, (935-941). 11-15 Feb 2001.

  • McDonald, S., Dahle, A. K., Taylor, J. A. and St John, D. H. (2001). Eutectic solidification in Sr-modified hypoeutectic Al-Si alloys. In: E Pereloma and K Raviprasad, Engineering Materials 2001. Biennial Conference of Institute of Materials Engineering Australia, Melbourne, Vic, (153-158). 23-26 Sept 2001.

  • Otte, M., McDonald, S., Taylor, J. A., St John, D. H. and Schneider, W. E. (2000). Controlling porosity-related casting rejects: Understanding the role of iron in Al-Si alloys. In: 103rd AFS Casting Congress. 103rd AFS Casting Congress, St Louis, MO, USA, (471-478). 13-16 March 1999.

  • Nave, M., Dahle, A. K. and St John, D. H. (2000). Eutectic growth morphologies in magnesium-aluminium alloys. In: H. I. Kaplan, J. N. Hyrn and B. B. CLow, Magnesium Technology 2000. TMS Annual Meeting 2000, Nashville, TN, USA, (233-242). 12-16 March 2000.

  • McDonald, S., Nogita, K., Dahle, A. K., Taylor, J. A. and St John, D. H. (2000). Eutectic solidification and porosity formation in Al-Si alloys: the role of strontium. In: M. J. Lessiter, Proceedings of the 104th Annual Meeting. 104th AFS Casting Congress, Pittsburgh, PA, USA, (463-470). 8-11 April 2000.

  • Dahle, A. K., Hutt, J., Lee, Y. and St John, D. H. (2000). Grain formation in hypoeutectic Al-Si alloys. In: Transactions of the American Foundrymen's Society. 103rd AFS Casting Congress, St Louis, MO, USA, (265-270). 13-16 March 1999.

  • Lee, Y., Dahle, A. K. and St John, D. H. (2000). Grain refinement of magnesium. In: H. I. Kaplan, J. N. Hryn and B. B. Clow, Magnesium Technology 2000. TMS Annual Meeting 2000, Nashville, TN, USA, (211-218). 12-16 March 2000.

  • Lee, Y., Dahle, A. K. and St John, D. H. (2000). Grain size control in magnesium by the addition of solute elements. In: N. J. Kim and G. L. Dunlop, Joint Australia-Korea Workshop on Light Alloys (CD-Rom). Joint Australia-Korea Workshop on Lightt Alloys, Cheju, Korea, (86-89). 25-26 May 2000.

  • Tate, B., Farnsworth, D. J., St John, D. H., Taylor, J. A. and Barnett, M. R. (2000). Heat treatment optimisation of cast aluminium automotive components. In: Proceedings of 32nd Australasian Foundry Conference. Milenium Meltdown, Christchurch, New Zealand, (12). 27-30 August, 2000.

  • Taylor, J. A., Lanham, B. W., Ricketts, N. J. and St John, D. H. (2000). How to take up the magnesium challenge - a road map for the journey. In: Proceedings of 32rd Australasian Foundry Conference. Mellenium Meltdown, Christchurch, New Zealand, (25). 27-30 August, 2000.

  • McDonald, S. D., Dahle, A. K., Taylor, J. A., St John, D. H. and Zindel, J. W. (2000). Microstructural evolution of an Al-Si-Mg foundry alloy during solidification. In: Proceedings of 11th Biennial Die Casting Conference of the Australian Die Casting Association. Die Casting 2000, Melbourne, Australia, (25/1-7). 3 - 6 September, 2000.

  • Tate, B., Farnsworth, D. J., St John, D. H., Taylor, J. A. and Barnett, M. R. (2000). Opportunities for heat treatment optimisation of cast aluminium automotive components. In: Proceedings of 11th Biennial Die Casting Conference of the Australian Die Casting Association. Die Casting 2000, Melbourne, Australia, (29/1-6). 3-6 September, 2000.

  • St John, D. H. (2000). The role of solidification in determining the quality of Al and Mg castings. In: N J Kim and G L Dunlop, Joint Australia-Korea Workshop on Light Alloys (CD-Rom). Joint Australia-Lorea Workshop on Light Alloys, Cheju, Korea, (61-64). 25-26 May 2000.

  • Nave, M., Dahle, A. K. and St John, D. H. (2000). The role of zinc in the eutectic solidification of magnesium-aluminium-zinc alloys. In: H. I. Kaplan, J. N. Hryn and B. B. Clow, Magnesium Technology 2000. TMS Annual Meeting 2000, Nashville, TN, USA, (243-250). 12-16 March 2000.

  • St John, D. H., Dahle, A. K. and Instone, S. S. (1999). CAST's solidification researcch relevant to DC casting. In: P. R. Whiteley and J. F. Grandfield, 6th Australian Asian Pacific Conference on Aluminium Casthouse Technology Proceedings. Aluminium Casthouse Technology, 6th Australian Asian Pacific Conference, Sydney, (53-62). 26-29 July 1999.

  • Otte, MO, Mcdonald, SD, Taylor, JA, St John, DH and Schneider, W (1999). Controlling porosity-related casting rejects: Understanding the role of iron in Al-Si alloys. In: Transactions of the American Foundrymen'S Society, Vol 107. 103rd Annual Meeting of the American-Foundrymen's-Society, St Louis Mo, (471-478). Mar 13-16, 1999.

  • Dahle, A. K. and St John, D. H. (1999). The challenges for the manufacture of magnesium components. In: Shapes, Structures, Surfaces. IMEA Sydney Branch 1999 Seminar, Sydney, (27-42). 19 October 1999.

  • Hutt, J., Dahle, A. K., Lee, Y. and St John, D. H. (1999). The effects of growth restriction and effective nucleant potency on grain size and morphology in Al-Si and Al-Cu alloys. In: C. E. Eckert, Light Metals 1999. Light Metals 1999, San Diego, CA, USA, (685-692). 28 February - 4 March 1999.

  • Dahle, A. K. and St John, D. H. (1999). The origin of banded defects in high pressure die cast magnesium. In: Transactions of 20th International Die Casting Congress & Exposition. 20th International Die Casting Congress & Exposition, Cleveland, OH, USA, (203-210). 1-4 November 1999.

Grants (Administered at UQ)

PhD and MPhil Supervision

Current Supervision

Completed Supervision