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Title: Apparatus For Providing A Residual Stress Distribution In The Surface Of A Part
Author: Paul S. Prevey III
Source: US Patent 2002/0174528 A1
Publication year 2002
Document number: 2002075
Number of pages: 19
Abstract:
The present invention is a novel method and an apparatus for implementing the method of inducing a layer of compressive residual stress along the surface of a part
comprising the steps of selecting a region of the part to be treated; selecting the magnitude of compression and the residual stress distribution to be induced in the
surface of the selected region of the part; exerting pressure against the surface of the selected region, the pressure being applied in a selected pattern along the surface
to form zones of deformation having a deep layer of compressive stress; and varying the pressure being exerted against the surface to produce the desired residual stress
distribution and magnitude of compression within the surface.
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