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Title: Work-Softening and Strain-Induced Transformation Produced by Shot Peening and Grit Blasting for Austenitic Stainless Steel
Author: Kisuke Iida, Katsuji Tosha
Source: Conf Proc: ICSP-6, (p.296-301)
Publication year 1996
Document number: 1996077
Number of pages: 6
Abstract:
This paper describes on the characteristics of work softening and transformation produced by shot peening and grit blasting for austenitic stainless steel. Shot peening and
grit blasting are performed by steel shot and grit with a centrifugal peening machine. Obtained factors are surface roughness, hardness distribution, half width,, residual
stess, diffraction intensity and retained austenite. Following results are obtained: 1) Strain-induced transformation is confirmed by compression, shot peening and grit
blasting from x-ray diffraction. 2) Half width decreases in the work-softened zone. 3) Work-softenng has no relation to residual stress distribution and retained austenite.
4) The maximum work-softening ration was 8.3% in this experiment.
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