Method of production of a metallic composite material incorporat

Details Method of production of a metallic composite material incorporat Method of production of a metallic composite material incorporat

1993-07-01

1994-08-09

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 1059, 75 1065, 75765, 148207, C22C 110, C22C 3200

Patent

active

053362918

ABSTRACT:
In order to produce easily and at low cost a metallic composite material incorporating metal carbide particles dispersed therein such that fine TiC particles and/or ZrC particles are uniformly dispersed in a matrix of Al or Al alloy, first, a pellet (16) is formed from Ti powder and/or Zr powder (10), graphite powder (12) and Al or Al alloy powder (14), then the pellet is infiltrated with molten Al or Al alloy, and thereafter the pellet is heated up to 1000.degree.-1800.degree. C. in an inactive atmosphere, so that TiC particles and/or ZrC particles are generated in the pellet. Then the pellet is dissolved in a molten bath of Al or Al alloy.

REFERENCES:
patent: 3495019 (1970-02-01), Santi
patent: 4710348 (1987-12-01), Brupbacher et al.
patent: 4748001 (1988-05-01), Banerji et al.
patent: 4808372 (1989-02-01), Koczak et al.

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