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不锈钢增材制造件后处理工艺研究进展 被引量:2

Research progress of post-processing of stainless steel additive manufacturing parts
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摘要 由于金属材料增材制造技术的逐层成形过程特点,增材制造件存在着一些难以避免的问题,如表面粗糙、残余应力较高及由于粉末熔融不完全引起的亚表面微裂纹及气孔等,无法直接进行装配应用。综述结合了近年来国内外不锈钢增材制造件后处理工艺的研究成果及不锈钢增材制造件的缺陷类型,分析了不同增材制造工艺的区别及用途,以及目前国内外对增材制造件工艺参数的优化进展,热处理、机械加工等后处理工艺的国内外研究现状,总结了不锈钢增材制造件后处理工艺的关键问题,探讨了不锈钢增材制造件后处理工艺发展趋势。 The parts fabricated by Additive Manufacturing(AM)cannot be used directly due to the defects caused by layer-by-layer formation of AM,including coarse surface,high residual stress,and pores/micro cracks beneath the surface caused by insufficient melting.The review summarizes the research results of the post-treatment processes of stainless steel additive manufacturing components at home and abroad and the defect types of stainless steel additive manufacturing components,analyzes the differences and uses of different additive manufacturing processes,and current domestic and international optimization progress of the process parameters of the additive manufacturing components,heat treatment,mechanical processing and other post-treatment processes,The key problems of post-treatment process of stainless steel additive manufacturing pieces are summarized,and the development trend of post-treatment process of stainless steel additive manufacturing pieces is discussed.
作者 李汇 李光先 高瑞麟 金鑫 刘璐 李朝将 Songlin DING LI Hui;LI Guangxian;GAO Ruilin;JIN Xin;LIU Lu;LI Chaojiang;Songlin DING(School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100089,China;School of Engineering,Royal Melbourne Institute of Technology Bundoora East Campus,Mill Park 3082,Australia)
出处 《航空学报》 EI CAS CSCD 北大核心 2022年第4期211-236,共26页 Acta Aeronautica et Astronautica Sinica
基金 国家重点研发计划(2018YFB1306300) 北京理工大学学术启动计划(2020CX04060)。
关键词 增材制造 不锈钢材料 后处理工艺 可加工性 残余应力 additive manufacturing stainless steel material post-processing technology machinability residual stress
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