FIELD: metal pressure working. SUBSTANCE: ceramic members with cavities corresponding to configuration of blades are placed in metal capsule and the capsule is filled with spherical granules from material to be pressed. The ceramic elements are from material with ultimate compression strength equal to 1.2-1.5 times the pressing pressure. Prior to starting hot isostatic pressing, the ceramic members are coated by surface layer from metal of the granule base. The thickness of the layer is equal to 0.2-0.8 the minimum diameter of the granules. EFFECT: extended operating capabilities. 1 tbl
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Authors
Dates
1994-01-15—Published
1989-08-09—Filed