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Title: La Determination Des Precontraintes De Grenaillage Par Diffractometrie X Et Leur Modelisation
Author: Castex, L. and Joubert, F.
Source: Conf Proc: ICSP-1, (p.255-262)
Publication year 1981
Document number: 1981043
Number of pages: 8
Abstract:
The X-ray diffractometry method for measuring stresses is a fast and reliable technique in laboratory and on site. Results obtained for the prestresses in steel shot
peening studies on 15CDV4 steel are in good agreement. They show a strong gradient of stresses (strains) on several tenths of a millimeter and a strong gradient of
dislocation density on several hundredths of a millimeter. From the results it was possible to obtain a modelization of the strain--stress distribution in the shot-peened
material thickness and to determine the superficial stress mechanism induced by shot peening.
Descriptors: Chromium molybdenum steels-- Mechanical properties; Shot peening; X ray stress analysis; Mathematical models; Residual stress; Prestressing
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