极端条件下焊接技术的研究进展
Research Progress of Welding Technology Under Extreme Conditions
- 2023年53卷第4期 页码:1-13
DOI: 10.7512/j.issn.1001-2303.2023.04.01
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龙伟民,井培尧,秦建.极端条件下焊接技术的研究进展[J].电焊机,2023,53(4):1-13.
LONG Weimin, JING Peiyao, QIN Jian.Research Progress of Welding Technology Under Extreme Conditions[J].Electric Welding Machine, 2023, 53(4): 1-13.
随着科学技术的不断进步,工程应用标准的不断提高,越来越多的极端条件对焊接技术提出了更苛刻的要求。首先将服役情况分为环境温度、腐蚀环境、磨损情况、真空环境四个方面,综述了焊接结构在这些极端环境下的综合性能变化情况,同时对比了为克服这些极端环境的负面影响而研究的各类应对方法及其作用机制;其次以焊接的材料结构为出发点,介绍了大型结构与薄壁结构这两大极端尺寸结构件在焊接时的技术难题与疲劳寿命评估的现状。对当前极端条件下焊接技术存在的问题与难点进行总结与梳理,并对其未来发展方向进行展望。
With the continuous progress of science and technology and the continuous improvement of engineering application standards, more and more extreme conditions put forward more stringent requirements for welding technology. Firstly, the service conditions are divided into four aspects: ambient temperature, corrosion environment, wear condition and vacuum environment. The comprehensive performance changes of welded structures in these extreme environments are reviewed. At the same time, various coping methods and their mechanisms to overcome the negative effects of these extreme environments are compared. Secondly, based on the welded material structure, the technical problems and fatigue life evaluation of the two extreme size structural parts of the large structure and thin-walled structure are introduced. The problems and difficulties of welding technology under extreme conditions are summarized and sorted out, and its future development direction is prospected.
极端条件焊接服役环境材料结构
extreme conditionsweldingservice environmentmaterial structure
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