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Title: Modelling the Influence of the Shot Size Dispersion on the Evolutin of the Residual Stess Profiles vs Time in Shot Peening
Author: H. Chardin, S. Slim, G. Inglebert
Source: Conf Proc: ICSP-6, (p.348-355)
Publication year 1996
Document number: 1996083
Number of pages: 8
Abstract:
The influence of peening time on residual stress profiles after shot peening was studied as a consequence of the energy dispersion of shots. An equivalent shot size Oequiv
is defined to obtain the same coverage ratio as with the actual shot size distribution. A random approach of covering in shot peening is proposed to define an evolution law
for Oequiv vs coverage ratio. Introduction of
Oequiv in predictive residual stress models, calculated for different coverage ratios, gives a quantitative evaluation of the residual stress profiles evolution as a
function of time, and shot size distribution.
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