Effect of Thermal Aging and Test Temperatures on Fracture Toughness of SS 316(N) Welds

被引：7
|
作者：
Dutt, B. Shashank [1 ]
Babu, M. Nani [1 ]
Shanthi, G. [1 ]
Moitra, A. [1 ]
Sasikala, G. [1 ]
机构：
[1] Indira Gandhi Ctr Atom Res, Met & Mat Grp, Kalpakkam 603102, Tamil Nadu, India
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2018年 / 27卷 / 04期
关键词：
heat treatment; microscopy; stainless steel; STAINLESS-STEEL WELDS; METAL; BEHAVIOR;
D O I：
10.1007/s11665-018-3255-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of thermal aging and test temperatures on fracture toughness (J (0.2)) of SS 316(N) weld material has been studied based on J-R curve evaluations. The aging of the welds was carried out at temperatures 370, 475 and 550 A degrees C and for durations varying from 1000 to 20,000 h. The fracture toughness (J-R curve) tests were carried out at 380 and 550 A degrees C for specimens after all aging conditions, including as-weld condition. The initiation fracture toughness (J (0.2)) of the SS 316(N) weld material has shown degradation after 20,000-h aging durations and is reflected in all the test temperatures and aging temperatures. The fracture toughness after different aging conditions and test temperatures, including as-weld condition, was higher than the minimum specified value for this class of welds.
引用
收藏
页码：1957 / 1961
页数：5
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