Technical Study on Shot Peening Residual Stress in High Pressure Filter Housings
After the parts have been shot peened,the residual stress distribution in the surface layer has changed,therefore,through the measurement of the residual stress in the surface layer of the material after shot peening,the strengthening effect of shot peening on the parts can be known,and the relationship between the size of the residual stress and the depth of the layer of residual stress is obtained by measuring the size of the residual stress in the parts under different parameters of the shot peening process,and the relationship is evaluated according to the size of the residual stress-depth of the layer of residual stress.Based on the residual stress-residual stress layer depth relationship to assess the shot peening effect of the blasted parts,a set of effective methods for quantitative detection of the shot peening effect of the bottom of internal threads was finally summarised.
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