Investigation of Ultrasonic Nondestructive Testing of Four-Sheet Stack Spot Welds and Implementing it in the Automotive Industry

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Eizadi Hassan; Akbari Aref; Masajedi Reza

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Paper Information

Journal: Non-Destructive Testing Technology Year:2019 | Volume:2 | Issue:3 Page(s): 59-65

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Information Journal Paper

Title

Investigation of Ultrasonic Nondestructive Testing of Four-Sheet Stack Spot Welds and Implementing it in the Automotive Industry

Author(s)

Eizadi Hassan | Akbari Aref | Masajedi Reza | Issue Writer Certificate

Keywords

Spot resistance welding

Nugget

Ultrasonic test

Automotive

Abstract

Resistance spot welding process is one of the most common and oldest methods of resistance welding. It is widely used in various industries, especially Automotive, aerospace, electronics and nuclear industries. In a car body, there are approximately 2000 to 5000 spot welds. Spot welding quality control is carried out according to international standards, which is often accompanied by demolition of samples. The use of a destructive method in controlling the quality of spot welds on different parts or the entire body of the car costs a lot. Nondestructive quality control of spot welds will reduce these costs. One of these nondestructive methods is an Ultrasonic testing that has been successfully used in this project. The ultrasonic waves measure the diameter of the Nugget, which is an important indicator of weld quality. In this study, a large number of intact and defective spot welds were prepared and tested by ultrasonic nondestructive methods and pull-shear destructive testing. The results of these experiments showed that the Ultrasonic tests can successfully detect defective welds.

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APA: Copy

Eizadi, Hassan, Akbari, Aref, & Masajedi, Reza. (2019). Investigation of Ultrasonic Nondestructive Testing of Four-Sheet Stack Spot Welds and Implementing it in the Automotive Industry. NONDESTRUCTIVE TESTING TECHNOLOGY, 2(3 ), 59-65. SID. https://sid.ir/paper/382859/en

Vancouver: Copy

Eizadi Hassan, Akbari Aref, Masajedi Reza. Investigation of Ultrasonic Nondestructive Testing of Four-Sheet Stack Spot Welds and Implementing it in the Automotive Industry. NONDESTRUCTIVE TESTING TECHNOLOGY[Internet]. 2019;2(3 ):59-65. Available from: https://sid.ir/paper/382859/en

IEEE: Copy

Hassan Eizadi, Aref Akbari, and Reza Masajedi, “Investigation of Ultrasonic Nondestructive Testing of Four-Sheet Stack Spot Welds and Implementing it in the Automotive Industry,” NONDESTRUCTIVE TESTING TECHNOLOGY, vol. 2, no. 3 , pp. 59–65, 2019, [Online]. Available: https://sid.ir/paper/382859/en

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