Stress Peening Steel Articles

Author:  Bartlett, C. W.
Source:  US Patent 3,438,229
Doc ID:  1966011
Year of Publication:  1966
Abstract:  
Apparatus and process for stress peening steel articles such as automobile leaf springs wherein a spring is deflected from a free configuration to a contour corresponding to that condition of the spring when installed for use, and then peened to work the tensioned surface.