Effects of heat treatment on mechanical properties and sensitization behavior of materials in dissimilar metal weld

被引：7

作者：

Kim, Ho-Sub ^{[1
]}

Shin, Jiho ^{[1
]}

Kong, Byeong Seo ^{[1
]}

Hong, Sunghoon ^{[2
]}

Oh, Seungjin ^{[2
]}

Hong, Jong-Dae ^{[3
]}

Jang, Changheui ^{[1
]}

Lee, Sanghoon ^{[4
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Nucl & Quantum Engn, Daejeon 34141, South Korea

[2] Korea Hydro & Nucl Power Co, Cent Res Inst, Daejeon 34101, South Korea

[3] Korea Atom Energy Res Inst, Nucl Fuel Safety Res Div, Daejeon 34057, South Korea

[4] Korea Inst Mat Sci, Chang Won 51508, Gyeongsangnam D, South Korea

来源：

INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2019年 / 172卷

关键词：

Heat treatment; Dissimilar metal weld; Mechanical property; Sensitization; Heat affected zone; STRESS-CORROSION CRACKING; ALLOY; 600; CARBIDES; TOUGHNESS; STEEL;

D O I：

10.1016/j.ijpvp.2019.03.009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In order to mitigate primary water stress corrosion cracking (PWSCC) of dissimilar metal weld (DMW) in the primary coolant system of pressurized water reactor (PWR), a heat treatment has been considered. However, the heat treatment conditions should be carefully determined to prevent detrimental effect on the materials in the DMW region. In this study, changes in the mechanical property of materials in DMW and degree of sensitization of SS were evaluated for various heat treatment conditions. In addition, material properties variation and sensitization within the heat affected zone (HAZ) were investigated after the application of the heat treatment condition of 600 degrees C for 10 h, which is considered as the representative heat treatment condition. Based on the test results, it was found that the application of the representative heat treatment condition (600 degrees C for 10 h) would result in negligible detrimental effect on the mechanical properties of materials in DMW and sensitization of SS.

引用

页码：17 / 27

页数：11

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