New Requirements for TOFD Technique in ASME Code Part 2:Images Interpretation
摘 要
介绍了ASME法规2006增补版有关TOFD技术的检测结果——图像判读要求。概述了TOFD识谱原理和缺陷定位定量法则;评析了22例焊接缺陷典型图谱。
Abstract
The new requirements for TOFD technique specified in the latest edition (2006 addenda) of the ASME Code were presented. The second part is the requirements for interpretation of images as TOFD results. First of all,it gives an outline of the principle of reading a grayscale image and the rules of locating and measuring flaw indications. Then it analyzes the typical images with 22 examples of flaws in welds. Learning by analogy, we can get guidelines for performing TOFD and evaluating results of inspection on pressure vessels.
中图分类号 TG115.28
所属栏目 TOFD方法专题论坛
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收稿日期 2006/12/28
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备注李 衍(1940-),男,高级工程师,ASME产品责任工程师,负责重大和出国产品的无损检测工作。
引用该论文: LI Yan. New Requirements for TOFD Technique in ASME Code Part 2:Images Interpretation[J]. Nondestructive Testing, 2007, 29(5): 294~300
李 衍. ASME法规对超声TOFD法的新规定第二部分:图像判读[J]. 无损检测, 2007, 29(5): 294~300
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