FIELD: powder metallurgy. SUBSTANCE: flat billets of composition material and soldering cover are separately moulded and sintered. Then billet of composition material is deformed by 15-33 %. Then they collect pack of composition material billets and cover, heat it up to the temperature, that is lower, than liquidus temperature of soldering cover and subject it to rolling with total deformation of 15 - 30 %. Method allows to increase strength of bond of cover with base and to prevent cracking of cover during rolling process. EFFECT: improvement of covers quality. 1 tbl
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Authors
Dates
1995-02-20—Published
1988-07-08—Filed