THEORETICAL AND EXPERIMENTAL STUDY OF COVERAGE IN MANUAL SHOT PEENING

Author:  Davis, Bae, Ramulu
Source:  Conf Proc 2011: ICSP-11 South Bend, IN USA (pgs. 165-170)
Doc ID:  2011027
Year of Publication:  2011
Abstract:  
Abstract This paper describes and quantifies a physically rigorous shot peening model relating coverage or the fraction of area peened to shot and target material properties such as yield strength, surface hardness and modulus of elasticity. The model presented is capable of characterizing the behavior of coverage at varying pressures and angles of impingement, parameters vital to manually or automatically peened surfaces. Model is verified with shot peening coverage by manual peening experiments on 7050-T745 Aluminum alloy and evaluated using optical micrographs to verify that 100% coverage was obtained. Keywords Shot peening, Coverage, Intensity, Fatigue life, Work energy