THE INFLUENCE OF CHEMICAL-COMPOSITION AND PRESTRAIN ON IMPACT TOUGHNESS TRANSITION BEHAVIOR OF 18-PERCENT-MN-18-PERCENT-CR-N AUSTENITIC STEELS

被引：0
|
作者：
ISHIZAKA, J [1 ]
ORITA, K [1 ]
TERAO, K [1 ]
机构：
[1] JAPAN STEEL WORKS LTD,DEPT MAT ENGN,MURORAN 051,JAPAN
来源：
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN | 1992年 / 78卷 / 12期
关键词：
AUSTENITIC STEEL; LOW TEMPERATURE TOUGHNESS; CLEAVAGE-LIKE FRACTURE; STRENGTH;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Transition behaviour of impact absorbed energy is well known for 18%Mn-18%Cr-N steel. The cleavage-like transgranular facets are detected on fracture surface of impact specimens tested at low temperature. Impact absorbed energy decrease when these cleavage-like facets are found on fracture surface of test specimen. The ductile-brittle transition temperature of the materials shifted to lower temperature by increased of nickel content, decrease of nitrogen content or pre-straining at high temperature. The relationship between cleavage-like fracture and plastic deformation stracture at the crack tip of impact test specimen has been investigated.
引用
收藏
页码：1846 / 1853
页数：8
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