Effect of alloying elements and temperature on impact toughness of cryogenic austenitic steels

被引：15
|
作者：
Cheng, XN [1 ]
Dai, QX [1 ]
Wang, AD [1 ]
Cheng, L [1 ]
机构：
[1] Jiangsu Univ Sci & Technol, Dept Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2001年 / 311卷 / 1-2期
关键词：
alloying elements; temperature; impact toughness; cryogenic austenitic steels;
D O I：
10.1016/S0921-5093(00)01797-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, ductile-brittle transition law and three important characteristic parameters, i.e. impact toughness at room temperature (A(KV)(300)), ductile-brittle transition temperature (T-K), and gradient of transition curve (K-C) are studied. According to the measured results which are processed afterwards on the computer, quantitative expressions are obtained: A(KV)(300) = f(Me); A(KV) = A(KV)(300)exp [-B(300-T/300)(2)]. The parameter B is also the function of alloying elements and temperature. The calculated results are proved to be satisfactory. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：211 / 216
页数：6
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