How to eliminate residual stress?
How to eliminate the residual stress of stainless steel drawing parts? Can sandblasting? The traditional aging methods are: thermal aging, vibration aging, natural aging, static overload aging, thermal shock aging. Sandblasting can not. Mechanical processing, especially forging and forging parts, in the hot and cold processing, resulting in residual stress, high in the vicinity of the yield limit. Most of the residual stresses in the structure show great harmful effects, such as reducing the actual strength of components, reducing the fatigue limit, resulting in stress corrosion and brittle fracture. And because of the relaxation of residual stress, parts warping, greatly affected the dimensional accuracy of components. So it is necessary to reduce the residual stress of the structure.
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