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Manufacturing Industry

Offline inspection system monitors residual stress. (Materials Progress: Testing/Analysis).

Advanced Materials & Processes,  February, 2003  

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Caption: An offline audit inspection system that monitors residual stress from manufacturing processes and detects grinding damage on camshafts has been developed by American Stress Technologies, Pittsburgh, Pa. During the inspection, a sensor scans the ground surface, and test information is sent to the Rollscan system.

Rollscan is a Barkhausen noise analysis method designed for control of surface quality and testing of near-surface defects. The system consists of a sensor, which magnetizes the part and detects the Barkhausen noise; a ...

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