ON SIZE AND GEOMETRY-EFFECTS ON THE BRITTLE-FRACTURE OF FERRITIC AND TEMPERED MARTENSITIC STEELS

被引：6
|
作者：
ODETTE, GR
CHAO, BL
LUCAS, GE
机构：
[1] Department of Chemical and Nuclear Engineering, University of California, Santa Barbara
来源：
JOURNAL OF NUCLEAR MATERIALS | 1992年 / 191卷
关键词：
D O I：
10.1016/0022-3115(92)90588-C
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A finite element computation of nonsingular crack tip fields was combined with a weakest link statistics model of cleavage fracture. Model predictions for three point bend specimens with various widths and crack depth to width ratios are qualitatively consistent with a number of trends observed in a 12 Cr martensitic stainless steel. The toughness "benefits" of small sizes and shallow cracks are primarily reflected in strain limits rather than net section stress capacities, which is significant to fusion structures subject to large secondary stresses.
引用
收藏
页码：827 / 830
页数：4
相关论文
共 50 条
12345