Measurement of Shot Peening Coverage by Correlation Analysis of Surface Line Data

Author:  Robert Thompson, Mark Tascillo, Victor Skormin
Source:  US Patent 5,581,483
Doc ID:  1994038
Year of Publication:  1994
Abstract:  
A method of measuring shot peening coverage includes correlation analysis of surface line data. The method comprises the use of cross correlation of two or more parallel profile traces of a shot peened surface to produce a numeric indication of relative part coverage.