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Analysis the Results of TOFD Inspection in Butt Joint Welds 2012
Zhang Penglin1,a, Dong juan2,b, Cao li2,c
1Key Laboratory of Nonferrous Alloys and Processing, Lanzhou University of Technology,
Lanzhou,China
2Key Laboratory of New Nonferrous Metal Materials of Gansu Province, Lanzhou University of
Technology, Lanzhou, China
apenglin_zh@126.com, b814832749@qq.com, ccaoli19880120@163.com
Keywords: TOFD; Processing Parameter; Localization; Quantification; Qualitative Evaluation
Abstract: In the application of the TOFD inspection method, the analysis of test results is the focus
and aporia of the study. TOFD image analysis include: analysis of defect size, location analysis and
defect map features. In order to increase people's understanding of the TOFD technique, given butt
joint welds TOFD and RT detect. The paper introduces basic process of defect using the TOFD
method, describes method of quantitative orientation of the defect in detail, analyzes the
localization and quantification of defects in detection. Determine the qualitative of defects by Ray
photographs and analyze the characteristics of the defects of this nature in the TOFD image.
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