染料渗透检测法检测焊接不连续的可靠性

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
J. Vera, L. Caballero, M. Taboada
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引用次数: 0

摘要

摘要 用于揭示表面焊接不连续性的染料渗透检测方法是结构部件制造过程中质量验证的一个重要因素;然而,某些与尺寸有关的不连续性可能会被检测出来,也可能检测不出来。那么,它的可靠性如何呢?从这个意义上说,这项研究的目的是估算染料渗透检测发现与尺寸有关的不连续性的可靠性。三名检测人员使用可见光和荧光染料渗透剂对 20 个表面特征相似的焊接接头进行了六次实验检测,其中包含 63 个根据形状和大小排列的典型焊接不连续性,并通过 "命中或遗漏 "统计方法对 POD 可靠性进行了定量估算。就测试系统而言,荧光渗透剂的灵敏度高于可见光渗透剂,因此在显示较小的不连续性方面具有更高的可靠性。POD 估计值分别为 a50(1.469 毫米;1.978 毫米)、a90(6.348 毫米;7.474 毫米)、a90/95(14.58 毫米;15.77 毫米)。荧光染料的检出率和检出概率都较高;随着不连续性尺寸的增加,这两个因素都呈上升趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Reliability of Dye Penetrant Inspection Method to Detect Weld Discontinuities

Reliability of Dye Penetrant Inspection Method to Detect Weld Discontinuities

Reliability of Dye Penetrant Inspection Method to Detect Weld Discontinuities

The dye penetrant inspection method used to reveal surface weld discontinuities is an important factor for quality verification in the manufacture of structural components; however, it is probable that certain size-dependent discontinuities may or may not be detected. Then, how reliable can it be? In this sense, the objective of the research has been to estimate the reliability of dye penetrant inspection to detect discontinuities in relation to their size. Six experimental tests were performed by three inspectors, with visible and fluorescent dye penetrants, on twenty welded joints of similar surface characteristics, containing 63 typical weld discontinuities arranged according to shape and size, whereas POD reliability quantitative estimates were developed by the hit-or-miss statistical method. For the test system, the fluorescent penetrants, due to their greater sensitivity compared to the visible ones, registered greater reliability in revealing smaller discontinuities. The POD estimators were a50 (1.469 mm < 1.978 mm), a90 (6.348 mm < 7.474 mm), a90/95 (14.58 mm < 15.77 mm). Fluorescent dyes allowed a higher rate and probability of detection; both factors showed a tendency to increase as the discontinuities size increased.

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来源期刊
Russian Journal of Nondestructive Testing
Russian Journal of Nondestructive Testing 工程技术-材料科学:表征与测试
CiteScore
1.60
自引率
44.40%
发文量
59
审稿时长
6-12 weeks
期刊介绍: Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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