Genetic alloy design based on thermodynamics and kinetics

Xu, W. and Rivera-Diaz-Del-Castillo, P. E.J. and Van Der Zwaag, S. (2008) Genetic alloy design based on thermodynamics and kinetics. Philosophical Magazine, 88 (12). pp. 1825-1833. ISSN 1478-6435

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Abstract

A theory-guided computational approach for alloy design is presented. Aimed at optimising the desired properties, the microstructure is designed and an alloy composition optimised accordingly, combining criteria based on thermodynamic, thermokinetic and mechanical principles. A genetic algorithm is employed as the optimisation scheme. The approach is applied to the design of ultra-high strength stainless steels. Three composition scenarios, utilising different strengthening precipitates (carbides, Cu and NiAl/Ni3Ti), are followed. The results are compared to a variety of existing commercial high-end engineering steels, showing that the design strategy presented here may lead to significant improvements in strength beyond current levels.

Item Type:
Journal Article
Journal or Publication Title:
Philosophical Magazine
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
125466
Deposited By:
Deposited On:
24 May 2018 13:14
Refereed?:
Yes
Published?:
Published
Last Modified:
25 Nov 2020 05:25