Process-compensated test predicts part function.(Testing/Analysis)

Advanced Materials & Processes,  August, 2003  

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A nondestructive inspection method for castings in which fully loaded parts are evaluated to predict how well they will function in service has been reported by Internet Corp., Troy, Mich., and Quasar International, Albuquerque, N.M. The Process Compensated Resonant Inspection (PCRI) method is based on resonant inspection, which depends on the resonant frequencies of the part.

The resonant frequency is determined by elastic modulus, density, and dimensions, and these parameters correlate directly to yield strength. However, the values shown by one resonant frequency alone are not ...

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