Method for the production of copper-boron carbide composite

Details Method for the production of copper-boron carbide composite Method for the production of copper-boron carbide composite

1980-05-21

1984-07-10

Beck, Shrive P.

Coating processes

Solid particles or fibers applied

Interior or hollow article coating

427192, 427194, 427231, 427359, 427360, 427241, B05D 312, B05D 302

Patent

active

044593279

ABSTRACT:
A process for manufacturing nuclear radiation shields consisting of neutron-absorbing boron carbide particles embedded in a heat-dissipating copper matrix. Copper is electroplated through a layer of loose, electrically nonconductive boron carbide particles on a metal substrate. The carbide particles may be deposited on the substrate while electroplating, and heat exchanger ductwork may be incorporated. To make cylindrical shields, a cylindrical metal substrate is rotated about its axis giving rise to centrifugal forces which hold the carbide particles on the inner surface and aid electrodeposition. A thermo-mechanical process is described in which boron carbide particles pre-encapsulated with copper are consolidated into a unitary mass on the inner surface of a heated cylindrical substrate with or without the aid of a roller within the cylinder.

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"Copper and Copper Alloy Plating", R. Pinner, CDA Publication No. 62, pp. 104-109.

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