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Title: An Approach to Relate the Shot Peening Parameters to the Induced Residual Stresses
Author: M Guagliano, L Vergani, M Bandini, F Gili
Source: Conf Proc: ICSP-7 (pg 274-282)
Publication year 1999
Document number: 1999038
Number of pages: 9
Abstract:
The prediction of the residual stress field induced by shot peening and the influence of the characterising peening parameters dealt with. A finite element procedure for
the simulation of one multiple impact of a shot against a plastically deformable material is developed being the aim to relate the shot size, material and velocity to the
residual stress field induced. Different target materials are considered. By means of these calculations it is found a relation between the Almen intensity and the
residual stress field. An approach based on the definition of dimensionless parameters was developed able to collect the results on non-dimensional curves applicable to
general materials. The procedure was implemented on a software that allows the estimation of the residual stress field by knowing the Almen intensity and the type of shot
utilised. Experimental measurements validate the proposed approach.
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