Assessment of tearing resistance of ductile metals: Using a new concept of tearing toughness

被引：4
|
作者：
Li, C. H. [1 ]
Duan, Q. Q. [1 ]
Zhang, Z. F. [1 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2011年 / 528卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Low-carbon steel; Tearing test; Tearing toughness; Strength; Elongation; ESSENTIAL WORK; FRACTURE; SHEETS; ENERGY; FILMS;
D O I：
10.1016/j.msea.2010.11.013
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Tensile and three-leg trousers tearing tests of the cold-rolled 20 steel sheets heat-treated at different temperatures were investigated. A concept of tearing toughness gamma is proposed for the first time to evaluate the resistance to crack propagation, and to reflect the comprehensive properties of strength and ductility of ductile metallic materials. The present results show that the tearing process is steady, and the tearing toughness is dependent on the microstructures and tensile properties of the 20 steel sheets. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1636 / 1640
页数：5
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