| 摘要 |
A method of cladding an internal cavity surface of a metal object is disclosed. The method includes the steps: (a) applying a powder metal layer on said internal surface, the metal powder including metal oxide or oxides, borides and carbides, (b) filling a pressure transmitting and flowable grain into said cavity to contact said layer, (c) and pressurizing said grain to cause sufficient pressure transmission to the powder metal layer to consolidate same.
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