TOFD技术在钛合金焊缝检测中的应用  

Applications of Titanium Alloy Weld Inspection with TOFD Technology

作　　者：王伏喜[1] 郭小辉[1] 鄂楠[1] 李斌[1] 

机构地区：[1]中国船舶重工集团公司第七二五研究所,河南洛阳471023

出　　处：《材料开发与应用》2011年第5期37-41,共5页Development and Application of Materials

摘　　要：本文介绍了相控阵检测方法和超声TOFD检测方法以及他们的差别,根据钛合金超声检测特性及其相关标准的使用情况,结合相控阵在钛合金厚板焊缝检测试验的经验,论述了钛合金厚板焊缝超声TOFD检测方法的可行性,结果表明,超声TOFD检测方法和相控阵检测方法能够对钛合金厚板焊缝缺陷进行有效识别、定位、定量检测且检测灵敏度和检测效率较高。This article introduces the methods of phased array and TOFD inspection and the differences between them.With referance to the features of ultrasound technology and the related standards as well as the experience in titanium alloy inspection with phased array technology,the feasibility of titanium alloy thickness plat weld inspection with TOFD technology is probed.The results show that with TOFD and phased array technology,localizable and quatitive detection for flaws of titanium alloy thickness plat weld can be conducted accurately and effectively.

关 键 词：超声TOFD 相控阵 钛合金厚板焊缝 

分 类 号：TG115.28[金属学及工艺—物理冶金]