Effect of microstructures on magnetic Barkhausen noise level in the weld HAZ of an RPV steel

被引：2
|
作者：
Kim, JH
Park, DG
Ok, CI
Yoon, EP
Hong, JH
机构：
[1] Korea Atom Energy Res Inst, Reactor Mat Dept, Taejon 305600, South Korea
[2] Hanyang Univ, Dept Met Engn, Seoul 133791, South Korea
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 196卷
关键词：
microstructure; weld heat-affected zone (HAZ); Barkhausen noise; RPV steel;
D O I：
10.1016/S0304-8853(98)00745-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructural state and magnetic Barkhausen noise (BN) level have been correlated in the weld heat-affected zone (HAZ) of a pressure vessel steel. The BN level increased with increasing size of carbide, and the tempered bainite structure showed higher BN signal than the tempered martensite. The results indicated that heat-treated materials may result in microstructurally different domain wall pinning obstacles at different thermal cycles. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：351 / 353
页数：3
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