Non-Destructive Determination of Surface Cold Work Due to a Shot Peening Operation

Author:  Thompson
Source:  US Patent 5,172,580
Doc ID:  1992029
Year of Publication:  1992
Abstract:  
This invention relates to a method for directly measuring the amount of surface cold work due to a surface treatment operation. Such methods of this type, generally, allow the surface cold work created by a shot peening operation to be directly measured without having to destruct the substrate.