Research and Application of Laser Welding in Nuclear Power Field

CHEN Huiyang; ZHUO Lizheng; CUI Yunjia; ZHANG Longqiang; WANG Yunxi

doi:10.7512/j.issn.1001-2303.2023.07.12

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Research and Application of Laser Welding in Nuclear Power Field
Vol. 53, Issue 7, Pages: 81-89(2023)
DOI： 10.7512/j.issn.1001-2303.2023.07.12

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陈挥扬，卓理政，崔运佳，等.核电领域激光焊接技术的研究与应用现状［J］.电焊机，2023，53（7）：81-89.

CHEN Huiyang, ZHUO Lizheng, CUI Yunjia, et al.Research and Application of Laser Welding in Nuclear Power Field[J].Electric Welding Machine, 2023, 53(7): 81-89.
陈挥扬，卓理政，崔运佳，等.核电领域激光焊接技术的研究与应用现状［J］.电焊机，2023，53（7）：81-89. DOI： 10.7512/j.issn.1001-2303.2023.07.12.

CHEN Huiyang, ZHUO Lizheng, CUI Yunjia, et al.Research and Application of Laser Welding in Nuclear Power Field[J].Electric Welding Machine, 2023, 53(7): 81-89. DOI： 10.7512/j.issn.1001-2303.2023.07.12.

摘要

核电厂的建造与运行是一个极其复杂的系统，焊接是其设备制造、装配、检修等过程中必不可少的重要工艺之一，焊缝质量的好坏直接关系到核电厂设备的可靠性和运行状态。相较于传统焊接工艺，使用激光焊接不仅能改善焊接质量，减少变形和残余应力，还能够提高效率，缩短工期。但目前在核电领域，激光焊接技术的应用并不多。为推广激光焊接技术在核电领域的应用，介绍了近年来激光焊接核级材料的研究现状。包括对常见的Zr合金、不锈钢以及新型材料等的激光焊接性能研究；分析其在核电厂设备的维修以及制造等领域的应用与研究现状。在此基础上，对目前核电厂激光焊接技术应用较少的原因进行分析，并对其将来的研究方向进行展望。

Abstract

The construction and operation of nuclear power plant is an extremely complicated system. Welding is one of the essential technic in the process of equipment manufacturing, assembly, maintenance and so on. The quality of weld directly affects the reliability and running state of nuclear power equipment. Compared with traditional process, laser welding can not only improve weld quality, reduce deformation and residual stress, but also raise efficiency and shorten the construction period. However, this technology is not widely used in nuclear power field. In order to promote the application of laser welding in nuclear field, the research status that about laser welding of nuclear grade materials in recent years is introduced. Including the research of laser welding properties of Zr alloy, stainless steel and new materials, etc. Its application and research status on nuclear power plant equipment maintenance and manufacturing are analyzed. On this basis, the reasons for the low application of laser welding in nuclear power plants are analyzed, and the future research directions are prospected.

关键词

激光焊接核级材料核电设备焊接性能

Keywords

laser weldingnuclear grade materialsnuclear power equipmentwelding properties

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