FIELD: mechanical engineering; metal working; plastic deformation of surfaces to increase strength of article. SUBSTANCE: surface is subjected to plastic deformation for forming macrobosses. Macrobosses are formed as combination of discrete non-intersecting traces left by machining tool. Traces are made round or elliptical and are arranged close to each other with trace depth-to-wall thickness ratio within 0.005 - 0.1 and ratio of pattern depth to corrected radius of curvature equal to 0.35 - 0.4. EFFECT: improved strength of machined surface. 2 dwg, 1 tbl
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Authors
Dates
1997-07-27—Published
1993-08-26—Filed