The composition and temperature effects on the ultra high strength stainless steel design

Xu, W. and Castillo, P. E J Rivera Díaz Del and Zwaag, S. Van Der (2009) The composition and temperature effects on the ultra high strength stainless steel design. International Journal of Modern Physics B, 23 (6-7). pp. 1060-1065. ISSN 0217-9792

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Abstract

Alloy composition and heat treatment are of paramount importance to determining alloy properties. Their control is of great importance for new alloy design and industrial fabrication control. A base alloy utilizing MX carbide is designed through a theory guided computational approach coupling a genetic algorithm with optimization criteria based on thermodynamic, kinetic and mechanical principles. The combined effects of 11 alloying elements (Al, C, Co, Cr, Cu, Mo, Nb, Ni, Si, Ti and V) are investigated in terms of the composition optimization criteria: the martensite start (Ms) temperature, the suppression of undesirable phases, the Cr concentration in the matrix and the potency of the precipitation strengthening contribution. The results show the concentration sensitivities of each component and also point out new potential composition domains for further strength increase. The aging temperature effect is studied and the aging temperature industrially followed is recovered.

Item Type:
Journal Article
Journal or Publication Title:
International Journal of Modern Physics B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3109
Subjects:
?? ALLOY DESIGNCOMPOSITION EFFECTGENETIC ALGORITHM.PRECIPITATETEMPERATURE EFFECTCONDENSED MATTER PHYSICSSTATISTICAL AND NONLINEAR PHYSICS ??
ID Code:
125495
Deposited By:
Deposited On:
24 May 2018 14:12
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Sep 2023 00:43