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Proceedings Paper

The Measurement and Monitoring of Resistance Spot Welds Using Infrared Thermography
Author(s): Bruce Brown; Edmund Bangs
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Paper Abstract

The ability to monitor the spot welding process and provide a real time inspection is of interest to the automotive, aircraft, and aircraft turbine industries. A series of experiments was performed using the infrared radiometer during the welding operation when welding coated and uncoated automotive gage steels. It has been determined that the isotherm radiated at the electrode/base material surface contains apometric information that can be used in the detection of the weld nugget and its quality. Weld nugget measurement and tensile shear tests results show good correlation between isotherm geometry, weld joint strength, and weld nugget size.

Paper Details

Date Published: 28 March 1986
PDF: 15 pages
Proc. SPIE 0581, Thermosense VIII: Thermal Infrared Sensing for Diagnostics and Control, (28 March 1986); doi: 10.1117/12.950887
Show Author Affiliations
Bruce Brown, Square D Company (United States)
Edmund Bangs, IIT Research Center (United States)

Published in SPIE Proceedings Vol. 0581:
Thermosense VIII: Thermal Infrared Sensing for Diagnostics and Control
Herbert Kaplan, Editor(s)

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