Calibration of a new local approach to cleavage fracture of ferritic steels

被引：10
|
作者：
Qian, Guian [1 ]
Lei, Wei-Sheng [2 ]
Niffenegger, Markus [1 ]
机构：
[1] Paul Schemer Inst, Nucl Energy & Safety Dept, Lab Nucl Mat, OHSA 06, CH-5232 Villigen, Switzerland
[2] Appl Mat Inc, 974 East Arques Ave, Sunnyvale, CA 94085 USA
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2017年 / 694卷
关键词：
Ferritic steels; Plastic yielding; Cleavage fracture; Statistical model; Model calibration; TOUGHNESS;
D O I：
10.1016/j.msea.2017.03.111
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A calibration method is proposed and proved feasible for implementing a new local approach to cleavage fracture of steels. The key is to adopt an elastic-perfectly plastic model to determine the maximum principal stress of each point at initial yielding as cleavage threshold stress for calculating the modified Weibull stress.
引用
收藏
页码：10 / 12
页数：3
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