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Title: Shot Peenig to Prevent Intergranular Corrosion of Ferritic Stainless Steel
Author: E. Lamaire, y. LeGuernic, F. Roch, C. Scott
Source: Conf Proc: ICSP-6, (p. 61-72)
Publication year 1996
Document number: 1996052
Number of pages: 12
Abstract:
Shot peening is usually considered as a sensible method to prevent cracking related to stress fatigue or stress corosion. The prevention of intergranular corrosion (IGC) is
not, up to now, a typical application of the process. The reason why is probably that IGC has no connection with mechanics. However, some authors have noted a beneficial
effect for austenitic steels when shot peening is performed before sensitization (i.e. depletion of Cr by precipitation at the grain boundry). We provide in this paper a
new insight by illustrating the effect of shot peening on a ferritic stainless steel when the treatment is applied after sensitization.
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