Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product
Patent
1983-06-24
1985-12-10
Miller, Edward A.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Metal and nonmetal in final product
419 32, 419 13, 419 14, 419 17, 419 19, 419 33, 419 35, B22F 100
Patent
active
045578931
ABSTRACT:
A process for producing composite materials which comprises subjecting particles of a malleable matrix material, i.e., a metal or alloy or the components of a matrix alloy and particles of a reinforcing material such as a carbide or an oxide or an intermetallic to energetic mechanical milling under circumstances to insure the pulverulent nature of the mill charge so as to enfold matrix material around each of said reinforcing particles to provide a bond between the matrix material and the surface of the reinforcing particle. The process is exemplified by the use of aluminum alloy as the matrix material and silicon carbide as the reinforcing particles. Reinforcing particles are present in an amount of about 0.2 to about 30 volume percent of total matrix and reinforcing particles. The invention is also directed to the product of the process.
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Jatkar Arun D.
Schelleng Robert D.
Varall, Jr. Alfred J.
INCO Selective Surfaces, Inc.
Kenny Raymond J.
Miller Edward A.
Mulligan, Jr. Francis J.
Thexton Matthew A.
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