Scientific Commons: D. H. St John

The accurate determination of heat transfer coefficient and its evolution with time during high pressure die casting of Al-9%Si-3%Cu and Mg-9%Al-1%Zn alloys (2007)

Grain refinement of aluminium and magnesium alloys has been a challenging topic for decades and this is partly due to the complex nature of the mechanisms occurring during solidification and the lack...

Effect of solute on the growth rate and the constitutional undercooling ahead of the advancing interface during solidification of an alloy and the implications for nucleation (2006)

Yao, X., Dahle, A. K., Davidson, C. J., St John, D. H.

A framework is presented for modeling the nucleation in the constitutionally supercooled liquid ahead of the advancing solid/liquid interface. The effects of temperature gradient, imposed velocity,...

Effect of manganese on grain refinement of Mg-Al based alloys (2006)

Cao, P., Qian, M., St John, D. H.

Manganese is a grain refiner for high purity Mg-3%Al, Mg-6%Al, Mg-9%Al, and commercial AZ31 (Mg-3%Al-1%Zn) alloys when introduced in the form of an Al-60%Mn master alloy splatter but the use of pure...

Graduate Attributes in a Bachelor of Engineering (Materials) Program (2005)

Atrens, A., Truss, R. W., Dahle, A. K., St John, D. H., Caceres, C. H.

Theoretical and Practical Considerations of Grain Refinement of Magnesium Alloys (2005)

Lu, L., Dahle, A. K., Taylor, J. A., St John, D. H.

The CAST Industry Best Practice Program (2005)

Dargusch, M. S., Keay, S., Arthur, J., St John, D. H.

The Corrosion Performance of Magnesium Alloy AM-SC1 in Automotive Engine Block Applications (2005)

Song, G., St John, D. H., Bettles, C.J., Dunlop, G. L.

Grain Refinement of Commercial Purity Mg-9% Al Alloys by Superheating (2005)

Cao, P., Qian, M, St John, D. H.

Corrosion Inhibition of Magnesium Alloys in Coolants (2005)

Song, G., St John, D. H.

The Application of a New Analytical Method for the Assessment of the Grain Refinement of Light Alloys (2005)

St John, D. H., Easton, M.

The CAST CRC: A Light Metals Partnership between Industry, Government and R&D Providers (2005)

St John, D. H.

The effect of manganese on the grain size of commercial AZ31 alloy (2005)

Cao, P., St John, D. H., Ma, Q.

McDonald, S. D., Dahle, A. K., Taylor, J. A., St John, D. H.

Hetergeneous nuclei size in magnesium-zirconium alloys (2004)

Ma, Q., St John, D. H., Frost, M.

An analysis of the effect of grain refinement on the hot tearing of aluminium alloys (2004)

Easton, M., Wang, H., Grandfield, J., St John, D. H., Sweet, E.

Thixotropic structure formation in hypoeutectic Al-Si alloys by controlled nucleation (2004)

Wang, H., Ning, Z. L., Yao, X., Davidson, C J, St John, D. H.

The influence of hydrogen on the hot tearing suseptibility of aluminium-silicon alloys (2004)

Barnett, R. S., Taylor, J. A., St John, D. H.

Factors affecting the development of a fine grained solidification microstructure in aluminium alloys (2004)

St John, D. H., Easton, M.

Reducing the cost of grain refiner additions to VDC castings (2004)

Easton, M., St John, D. H., Sweet, E.

The Australian Die Casting industry in a lighter, greener future (2004)

St John, D. H.

A new Zirconium-Rich Master Alloy for the Grain Refinement of Magnesium Alloys (2004)

Ma, Q., St John, D. H., Frost, M.

Modelling of microstructure formation and evolution during solidification (2003)

Yao, X., Davidson, C. J., Dahle, A. K., St John, D. H.

Development of a non intrusive heat transfer coefficient gauge and its application to high pressure die casting (2003)

Dour, G., Dargusch, M. S., Davidson, C. J., Nef, A., St John, D. H.

Hot tearing of aluminium - copper alloys (2003)

Viano, D. M., St John, D. H., Caceres, C. H., Grandfield, J. F.

Solidification of Cast Magnesium Alloys (2003)

St John, D. H., Dahle, A. K., Abbott, T., Nave, M.D., Ma, Q.

Modeling and Experimental Study of the Galvanic Corrosion of AZ91D Magnesium Alloy in contact with Steel in NaC1 solution (2003)

Song, G., Atrens, A., Jia, J.X., St John, D. H.

Prediction and experimental measurement of galvanic corrosion for a magnesium-steel couple in corrosive water (2003)

Jia, J.X., Song, G., Atrens, A., St John, D. H., Chandler, G. A.

Grain refinement of secondary aluminium-silicon casting alloys (2003)

Binney, M. N., St John, D. H., Dahle, A. K., Taylor, J. A., Burhop, E.C., Cooper, P.S.

Effect of soluble and insoluble zirconium on the grain refinement of magnesium alloys (2003)

Ma, Q., St John, D. H., Frost, M.T.

The lightweight concept engine: A novel crankcase design with a new magnesium alloy (2003)

Bettles, C.J., Beste, F., St John, D. H., Frost, M.

Influence of the Uptake of Iron on the Grain Refinement of Pure Magnesium by Zirconium (2003)

Cao, P., Ma, Q., St John, D. H., Frost, M.T.

Dissolution of Zirconium as AM-Cast in Magnesium (2003)

Hildebrand, Z. C., Ma, Q., St John, D. H., Frost, M.T.

A method for reducing hot tearing in 356 alloy air-intake manifolds (2003)

Barnett, R. S., Taylor, J. A., St John, D. H.

AMC-SCI: An elevated temperature magnesium alloy suitable for precisiion sand casting of powertrain components (2003)

Beetles, C.J., Forwood, C.T., St John, D. H., Frost, M., Jones, D.S., Ma, Q., ...

Grain refinement of pure megnesium using rolled Zirmax? Master Alloy (MG-33.3ZR) (2003)

Ma, Q., St John, D. H., Frost, M., Barnett, M. R.

Zirconium Alloying and Grain Refinement of Magnesium Alloys (2003)

Ma, Q., St John, D. H., Frost, M.

Semi-solid casting of A356 alloy produced by controlled pouring (2003)

Wang, H., Davidson, C. J., St John, D. H.

The CAST CRC - A light metals partnership between industry and R&D providers (2003)

St John, D. H.

Optimising the cost of grain refinement by separate TiB2 and Ti additions to wrought aluminium alloys (2003)

Easton, M., St John, D. H., Sweet, L., Couper, M. J.

Automotive applications for light metals (2003)

St John, D. H.

Processing via the Liquid State (2002)

Dahle, A. K., St John, D. H.

Halo Formation in directional solidification (2002)

Dahle, A. K., St John, D. H., Nave, M.

A comparsion of grain refiner master alloys for the foundry (2002)

Boot, D, Cooper, P, St John, D. H., Dahle, A. K.

Modelling of microstructure formation and evolution during solidification (2002)

Yao, X., Davidson, C. J., Dahle, A. K., St John, D. H.

A comprehensive probabilistic model for simulating microstructure formation and evolution during solidification has been developed, based on coupling a Finite Differential Method (FDM) for...

Solution treatment effects in Al-Si-Mg casting alloys: Part 1 - intermetallic phases (2002)

Taylor, J. A., St John, D. H., Zheng, L., Edwards, G. A., Barresi, J., Couper, M. J.

Solution treatment effects in Al-Si-Mg cating alloys: Part 2 - Solid solution chemistry (2002)

Taylor, J. A., St John, D. H., Couper, M. J.

As-Cast Microstructure in VDC Cast AA 6082 Billet (2002)

Ma, Q., St John, D. H., Maloney, S., Couper, M. J.

The as-cast microstructure, in a cross-sectional slice of a 204-mm diameter vertical direct chill cast billet of AA 6082, was investigated with optical microscopy, backscattered electron microscopy,...

Semisolid Casting of AlSi7MgO.35 Alloy Produced by Low-Temperature Pouring (2002)

Wang, H., Davidson, C. J., Taylor, J. A., St John, D. H.

Cooperative R&D for the aluminium casthouse (2002)

Taylor, J. A., St John, D. H., Bainbridge, I. F.

A cooperative process for conducting R&D in the aluminium casthouse products sector (2002)

Taylor, J. A., St John, D. H.

Cooperative R&D for the Aluminium Casthouse (2002)

Taylor, J. A., St John, D. H., Bainbridge, I. F.

Development of the as-cast microstructure in magnesium-aluminium alloys (2001)

Dahle, A. K., Lee, Y., Nave, M., Schaffer, P. L., St John, D. H.

Formation of defect bands in high pressure die cast magnesium alloys (2001)

Dahle, A. K., Sannes, S, St John, D. H., Westengen, H

The causes of ribbon shaped defects in magnesium die castings (2001)

Dahle, A. K., St John, D. H.

Microstructural evolution and defect formation in Al-Si-Cu-Mg foundry alloy during solidification (2001)

Mc Donald, S., Dahle, A. K., Taylor, J. A., St John, D. H.

An hydrogen evolution method for the estimation of the corrosion rate of magnesium alloys (2001)

Song, G., Atrens, A., St John, D. H.

Eutectic solidification in Sr-modified hypoeutectic Al-Si alloys (2001)

Mc Donald, S., Dahle, A. K., Taylor, J. A., St John, D. H.

A practical method for identifying intermetallic phase particles in aluminium alloys by electron probe microanalysis (2001)

Ma, Q., Taylor, J. A., Yao, J., Couper, M. J., St John, D. H.

The influence of certain elements on porosity formation in an AlSi9Cu3 casting alloy (2001)

Otte, M., Schneider, W., St John, D. H., Taylor, J. A.

Anomalous grain coarsening behaviour in grain-refined aluminium alloys cast using low superheat (2001)

Taylor, J. A., Wang, H., St John, D. H., Bainbridge, I

Aluminium Alloys - Their Physical and Mechanical Properties: Grain formation in AlSi7Mg0.35 foundry alloy at low superheat (2000)

Dahle, A. K., St John, D. H., Attavanich, P., Taopetch, P.

Hypoeutectic AI-Si alloys represent the most widely used alloy system for cast aluminium applications. This system has a unique behaviour with respect to grain formation where an increase in silicon...

Aluminium Alloys - Their Physical and Mechanical Properties: Grain formation in AlSi7Mg0.35 foundry alloy at low superheat (2000)

Dahle, A. K., St John, D. H., Attavanich, P., Taopetch, P.

Hypoeutectic AI-Si alloys represent the most widely used alloy system for cast aluminium applications. This system has a unique behaviour with respect to grain formation where an increase in silicon...

Grain refinement of magnesium (2000)

Lee, Y., Dahle, A. K., St John, D. H.

Eutectic growth morphologies in magnesium-aluminium alloys (2000)

Nave, M., Dahle, A. K., St John, D. H.

The role of zinc in the eutectic solidification of magnesium-aluminium-zinc alloys (2000)

Nave, M., Dahle, A. K., St John, D. H.

Grain formation in hypoeutectic Al-Si alloys (2000)

Dahle, A. K., Hutt, J., Lee, Y., St John, D. H.

Grain size control in magnesium by the addition of solute elements (2000)

Lee, Y., Dahle, A. K., St John, D. H.

The role of solidification in determining the quality of Al and Mg castings (2000)

St John, D. H.

Heat treatment optimisation of cast aluminium automotive components (2000)

Tate, B., Farnsworth, D. J., St John, D. H., Taylor, J. A., Barnett, M. R.

Controlling porosity-related casting rejects: Understanding the role of iron in Al-Si alloys (2000)

Otte, M., McDonald, S., Taylor, J. A., St John, D. H., Schneider, W. E.

Microstructural evolution of an Al-Si-Mg foundry alloy during solidification (2000)

McDonald, S., Dahle, A. K., Taylor, J. A., St John, D. H., Zindel, J. W.

How to take up the magnesium challenge - a road map for the journey (2000)

Taylor, J. A., Lanham, B. W., Ricketts, N. J., St John, D. H.

Opportunities for heat treatment optimisation of cast aluminium automotive components (2000)

Tate, B., Farnsworth, D. J., St John, D. H., Taylor, J. A., Barnett, M. R.

Eutectic solidification and porosity formation in Al-Si alloys: the role of strontium (2000)

McDonald, S., Nogita, K., Dahle, A. K., Taylor, J. A., St John, D. H.

Developments and challenges in the utilisation of magnesium alloys (2000)

Dahle, A. K., St John, D. H., Dunlop, G. L.

A K Dahle and D H St John, "Prevent banded defects in high-pressure diecast magnesium alloys", Invited Feature Article (2000)

Dahle, A. K., St John, D. H.

The effect of solidification rate on the structure of magnesium-aluminium eutectic grains (2000)

Nave, M., Dahle, A. K., St John, D. H.

Influence of Mg content on the microstructure and solid solution chemistry of Al-7%Si-Mg casting alloys during solution treatment (2000)

Taylor, J. A., St John, D. H., Barresi, J., Couper, M. J.

The role of solute in grain refinement of magnesium (2000)

Lee, Y. C., Dahle, A. K., St John, D. H.

The effect of separate solute additions of Al, Zr, Sr, Si, and Ca on grain size of Mg has been investigated. Increasing the Al content in hypoeutectic Mg-Al alloys resulted in a continuous reduction...

The origin of banded defects in high pressure die cast magnesium (1999)

Dahle, A. K., St John, D. H.

D. H. St John

Publication List Details