Quality Supervision of AP1000 SG Weld and Analysis of DING Prevention in Local Heat Treatment
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摘要: AP1000蒸汽发生器(SG)的环焊缝局部热处理防永久变形(DING)技术是有别于二代核电SG焊缝局部热处理的一项新工艺,文章从DING产生的原因、影响因素、工艺预防措施进行简单介绍,提出在质量监督过程中需要关注的重要检查点。
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关键词:
- 蒸汽发生器 /
- 防永久变形(DING)热处理 /
- 监造
Abstract: DING prevention technology used in the local heat treatment of the circular welds on AP1000 steam generator is a new technique different from that for the second generation SG. This paper briefly introduces the causes for DING, influencing factors and prevention measures, and provides the key check points in the process of the quality supervision.-
Key words:
- Steam generator /
- DING /
- Heat treatment preventing
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