Development of technology for nickel alloy cladding on martensitic stainless steel

JIANG Guoyan; HE Bing; LIU Yuanbin; SUN Guohui; WANG Yuzhong

doi:10.7512/j.issn.1001-2303.2020.12.11

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Development of technology for nickel alloy cladding on martensitic stainless steel
Vol. 50, Issue 12, Pages: 48-53(2020)
DOI： 10.7512/j.issn.1001-2303.2020.12.11

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JIANG Guoyan, HE Bing, LIU Yuanbin, et al. Development of technology for nickel alloy cladding on martensitic stainless steel. [J]. 50(12):48-53(2020)
DOI：

JIANG Guoyan, HE Bing, LIU Yuanbin, et al. Development of technology for nickel alloy cladding on martensitic stainless steel. [J]. 50(12):48-53(2020) DOI： 10.7512/j.issn.1001-2303.2020.12.11.

摘要

由中国广核集团自主研发的ACPR50S实验堆设备,采用在马氏体不锈钢导流环腔本体的上下端面堆焊镍基690合金,来满足进一步焊接免除热处理的需要。在成功开发自动TIG前送丝堆焊工艺的同时,通过焊接模拟分析手段进行了研究分析,优化了后送丝自动TIG堆焊工艺,解决了后送丝焊工艺的焊接裂纹问题,最终,实现产品导流环腔全部堆焊焊缝无损检验一次合格。

Abstract

In the ACPR50S developed by China general nuclear power group,the Inconel 690 alloy was needed cladding on both side of martensitic stainless steel guide annular chamber for heat treatment exemption. In this paper,the technology of forward wire feeding process of TIG cladding was developed.In addition,the back wire feeding process of TIG cladding was optimized by welding simulation to solve weld crack problem.Ultimately the product is qualified.

关键词

马氏体不锈钢镍基690合金前送丝后送丝焊接模拟

Keywords

martensitic stainless steelInconel 690forward wire feedingback wire feedingwelding simulation

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