钛合金增材制造孔隙缺陷的无损检测研究进展  

Progress in nondestructive testing of pore defects in titanium alloy additive manufacturing

作　　者：赵扬 杨平华 王铭振 曹逸飞 ZHAO Yang;YANG Pinghua;WANG Mingzhen;CAO Yifei(School of Information Science and Engineering,Harbin Institute of Technology,Weihai,Weihai 264209,China;Weihai City Key Laboratory of Photoacoustic Testing and Sensing Technology,Harbin Institute of Technology,Weihai,Weihai 264209,China;AECC Beijing Institute of Aeronautical Materials,Beijing 100095,China)

机构地区：[1]哈尔滨工业大学(威海)信息科学与工程学院,威海264209 [2]哈尔滨工业大学(威海)威海市智能光声检测与传感技术重点实验室,威海264209 [3]中国航发北京航空材料研究院,北京100095

出　　处：《激光技术》2024年第3期432-437,共6页Laser Technology

基　　金：国家自然科学基金资助项目(52275524)。

摘　　要：介绍了国内外钛合金等金属增材制件孔隙型缺陷的无损检测研究现状和进展,对离线无损检测技术、基于特征量监测的间接式检测和在线式无损检测技术进行了对比分析。重点报道了金属增材制造制件中孔隙激光超声检测技术的最新动态,并在此基础上,给出了金属增材制造制件激光超声在线无损检测未来应关注的研究方向及建议。The present work mainly discussed the development trend of additive manufacturing(AM)technologies for titanium alloy,as well as the difficulties and research trends of nondestructive testing(NDT)of AM parts,especially for pore defects.The research progress of NDT technology for pore-type defects was introduced,including offline NDT technology,indirect NDT based on feature monitoring and online NDT technology.Then,the latest progress in laser ultrasonic testing technology for porosity in AM metal was reported.At last,the future research directions and suggestions for laser ultrasonic online NDT of metal additive manufacturing parts were shown.

关 键 词：光学制造 钛合金 无损检测 孔隙 

分 类 号：TN247[电子电信—物理电子学] TG115[金属学及工艺—物理冶金] V261.8[金属学及工艺—金属学]