搅拌摩擦焊缝变入射角超声检测方法研究
Investigation of Ultrasonic Method Based on Different Incident Angles for Evaluation of Friction Stir Welding
摘 要
研究采用变入射角超声反射法解决搅拌摩擦焊缝区不同取向缺陷的无损检测。通过计算分析超声波在焊缝区的声波入射角、缺陷取向和缺陷紧贴性对声波反射影响，确定入射声波的角度变化范围，通过改变入射角，获取入射声波在缺陷处的最佳声学反射方向，提高入射声波对不同取向缺陷的检出能力。检测结果表明，该法可以有效地检出铝合金搅拌摩擦焊缝区不同取向焊接缺陷，是解决搅拌摩擦焊缝区微细和紧贴型缺陷无损检测的一种可行的方法。
搅拌摩擦焊
变入射角反射
Ultrasonic inspection
Friction stir welding
Multiple-incident reflection
Abstract
A new ultrasonic method, which is based on reflection of spot-focused beam with different incident angles, for evaluation of defects in aluminum alloy friction stir welding(FSW) has been investigated. The relationship of incident angles, possible defect directions and thickness of defects in FSW with reflective coefficient has been used to analyze and estimate scanning incident angle range of probe beam. The optimum ultrasonic reflection direction can be obtained during the scanning of incident angles. It is helpful to improve detectability of defects in FSW. The experimental results presented have shown that ultrasonic evaluation based on multiple-incident angles has potential usage in nondestructive inspection of FSW.
中图分类号 TG115.28
所属栏目 科研成果与学术交流
基金项目 国家“10.5”规划总装备部预研项目(18HK625—517)
收稿日期 2005/7/20
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网络出版日期
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引用该论文: LIU Song-ping,LIU Fei-fei,LI Le-gang,GUO En-ming,WANG Rui-chuan. Investigation of Ultrasonic Method Based on Different Incident Angles for Evaluation of Friction Stir Welding[J]. Nondestructive Testing, 2006, 28(5): 225～228
刘松平,刘菲菲,李乐刚,郭恩明,王瑞川. 搅拌摩擦焊缝变入射角超声检测方法研究[J]. 无损检测, 2006, 28(5): 225～228
被引情况:
【1】郭永良,郑晖,刘礼良,袁丽华,邬冠华, "厚壁压力容器TOFD检测技术参数",无损检测 36, 31-33(2014)
【2】刘松平,刘菲菲,郭恩明,李乐刚,史俊伟, "我国航空材料和结构先进无损检测技术之应用与发展",无损检测 35, 64-69(2013)
【3】徐蒋明,柯黎明,邢 丽, "搅拌摩擦焊焊缝的无损检测技术",无损检测 30, 934-937(2008)
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参考文献
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【2】Posada M, Deloach J, Reynolds AP, et al. Evaluation of friction stir welded HSLA-65［A］. 4th International Symposium on Friction Stir Welding\[C\]. Part City Utah, USA: TWI, UK,2003.14-16.
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【4】Lamarre André, Moles Michael. Ultrasonic phased array inspection technology for the evaluation of friction stir［A］. 15th World Conference on Nondestructive Testing\[C\]. Roma, Italy:2000.15-21.
【5】刘松平，刘菲菲.铝合金搅拌摩擦焊缝无损检测方法研究\[J\].航空制造技术,2006,(3):81-84.
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【7】刘松平，郭恩明，谢凯文，等.钛合金扩散焊中紧贴型缺陷的超声反波射法检测\[J\].无损检测,2004,26(2):62-65.
【8】Liu Songping. Application of acoustic microscopy for studying elastic properties and microstructure of carbon fiber-reinforced composite materials\[M\]. Moscow: M V Lomonosov Moscow State University,2004.
【2】Posada M, Deloach J, Reynolds AP, et al. Evaluation of friction stir welded HSLA-65［A］. 4th International Symposium on Friction Stir Welding\[C\]. Part City Utah, USA: TWI, UK,2003.14-16.
【3】Ekman L, Norlin A, Backlund J. Evaluation of weld quality when using run-on/run-off tabs in FSW\[A\]. 2nd International Symposium on Friction Stir Welding\[C\]. Gothenburg, Sweden:2000.27-29.
【4】Lamarre André, Moles Michael. Ultrasonic phased array inspection technology for the evaluation of friction stir［A］. 15th World Conference on Nondestructive Testing\[C\]. Roma, Italy:2000.15-21.
【5】刘松平，刘菲菲.铝合金搅拌摩擦焊缝无损检测方法研究\[J\].航空制造技术,2006,(3):81-84.
【6】Auld BA. Acoustic filed and waves in solid\[M\]. Canada: John Wiley & Sons, Inc.,1973.
【7】刘松平，郭恩明，谢凯文，等.钛合金扩散焊中紧贴型缺陷的超声反波射法检测\[J\].无损检测,2004,26(2):62-65.
【8】Liu Songping. Application of acoustic microscopy for studying elastic properties and microstructure of carbon fiber-reinforced composite materials\[M\]. Moscow: M V Lomonosov Moscow State University,2004.
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