A general computational alloy design approach based on thermodynamic and physical metallurgical principles and coupled with a genetic optimization scheme is presented. The model is applied to develop a new ultrahigh-strength maraging stainless steel. The alloy composition and heat treatment parameters are integrally optimized so as to achieve microstructures of fully lath martensite matrix strengthened by multiple precipitates of MC carbides, Cu particles and Ni3Ti intermetallics. The combined mechanical properties, corrosion resistance and identification of actual strengthening precipitates in the experimental prototype produced on the basic of the model predictions provide a strong justification for the alloy design approach. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Li, Junpeng
Jiang, Weiguo
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Jiang, Weiguo
Zhang, Yang
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Zhang, Yang
Liu, Liyuan
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Liu, Liyuan
Yu, Yongzheng
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Yu, Yongzheng
Luan, Junhua
论文数: 0引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Inter Univ 3D Atom Probe Tomog Unit, Dept Mech Engn, Hong Kong, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Luan, Junhua
Jiao, Zengbao
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Res Inst Adv Mfg, Dept Mech Engn, Hong Kong, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Jiao, Zengbao
Liu, Chain Tsuan
论文数: 0引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Inter Univ 3D Atom Probe Tomog Unit, Dept Mech Engn, Hong Kong, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
Liu, Chain Tsuan
Zhang, Zhongwu
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R ChinaHarbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
机构:
Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
Jiao, Zengbao
Liu, Chain-Tsuan
论文数: 0引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Coll Sci & Engn, Ctr Adv Struct Mat, Hong Kong, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Wang, Xiao-hui
Liu, Zhen-bao
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Liu, Zhen-bao
Liang, Jian-xiong
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Liang, Jian-xiong
Yang, Zhi-yong
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Yang, Zhi-yong
Sun, Yong-qing
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Sun, Yong-qing
Wang, Chang-jun
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Wang, Chang-jun
Qi, Yue
论文数: 0引用数: 0
h-index: 0
机构:
Fushun Special Steel Shares Co Ltd, Tech Ctr, Fushun 113006, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Liu, Zhen-bao
Tu, Xin
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Tu, Xin
Wang, Xiao-hui
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Wang, Xiao-hui
Liang, Jian-xiong
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Liang, Jian-xiong
Yang, Zhi-yong
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Yang, Zhi-yong
Sun, Yong-qing
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China
Sun, Yong-qing
Wang, Chang-jun
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Inst Special Steel Inst, Beijing 100081, Peoples R China