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Through-wall welding residual stress profiles for dissimilar metal nozzle butt welds in pressurized water reactors
- Song, Tae-Kwang;
- Kim, Ji-Soo;
- Oh, Chang-Young;
- Kim, Yun-Jae;
- Park, Chi-Yong;
- 외 1명
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10초록
This paper provides approximate expressions for through-wall welding residual stresses in dissimilar metal nozzle butt welds of pressurized water reactors. An idealized shape of nozzle is proposed, based on which systematic elastic-plastic thermo-mechanical finite element analyses are conducted by varying the thickness and radius of the nozzle and the length of the safe-end. Based on the results, a through-wall welding residual stress profile for dissimilar metal nozzle butt welds is proposed by modifying the existing welding residual stress profile for austenitic pipe butt welds in the R6 procedure.
키워드
dissimilar metal nozzle butt welds; finite element analysis; pressurised water reactors; through-wall welding residual stress profile; OVERLAY
- 제목
- Through-wall welding residual stress profiles for dissimilar metal nozzle butt welds in pressurized water reactors
- 저자
- Song, Tae-Kwang; Kim, Ji-Soo; Oh, Chang-Young; Kim, Yun-Jae; Park, Chi-Yong; Lee, Kyoung-Soo
- 발행일
- 2011-08
- 유형
- Article
- 권
- 34
- 호
- 8
- 페이지
- 624 ~ 641