Component with Compressive Residual Stresses, Process for Producing and Apparatus for Generating Compressive Residual Stresse

Author:  Walter David
Source:  US 2008/0223099A1
Doc ID:  2008131
Year of Publication:  2008
Abstract:  
ABSTRACT The inventive method discloses the local, adapted and controlled introduction of internal compressive stress in convex and concave regions, such as the root region of turbine blades, by means of at least two pressure generators.