2016
DOI: 10.1590/0104-9224/si2103.04
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Correlation between Peel Test and Real Time Ultrasonic Test for Quality Diagnosis in Resistance Spot Welding

Abstract: This paper aimed to study the correlation between Real Time Integrated Weld Analyzer measurements and peel test results. The experiment involved study of weld nuggets for different combinations of sheet thicknesses, welding time and current of mild steel samples. The intent was to assess the potential use of a real time integrated ultrasonic system in the industrial environment allowing nondestructive evaluation of 100% of the spot welds produced. The results showed high correlation between nugget penetration … Show more

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Cited by 7 publications
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“…It is estimated that a load range of 940 N leads to failure after approximately 10 6 cycles. Non-destructive tests, like ultrasonic testing, may be applied in industry to evaluate the diameter of welded and bonded area in the interfaces, since this is responsible for the weld strength. Further work on applying ultrasonic techniques for three-sheet welds may be required 13–15 . Less attention may be needed on cross-sectional evaluation of nugget penetration.…”
Section: Discussionmentioning
confidence: 99%
“…It is estimated that a load range of 940 N leads to failure after approximately 10 6 cycles. Non-destructive tests, like ultrasonic testing, may be applied in industry to evaluate the diameter of welded and bonded area in the interfaces, since this is responsible for the weld strength. Further work on applying ultrasonic techniques for three-sheet welds may be required 13–15 . Less attention may be needed on cross-sectional evaluation of nugget penetration.…”
Section: Discussionmentioning
confidence: 99%
“…Para verificação da qualidade, destacam-se alguns métodos que acompanham o processo de soldagem em tempo real, tais como o ultrassom [9,10], deslocamento do eletrodo [11,12] e raio X [13]. Em outras situações consegue-se a análise por meio de instrumentos convencionais, muito utilizados na indústria [14], como também por métodos que permitem avaliar diversas características geométricas do produto soldado, como a análise por imagem.…”
Section: /504unclassified