Brazing rod for depositing diamond coating to metal substrate us

Metal fusion bonding – Solder form

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21914651, 219 8522, 75243, B23K 3514, B23K 1002, B23K 3534, C22C 2900

Patent

active

059573651

ABSTRACT:
A brazing rod for use in depositing an abrasive metal coating on a metal substrate. The brazing rod comprises particulate abrasive material selected from the group consisting of diamond particles and mixtures of diamond particles and carbide particles and a matrix comprising a braze alloy which is sufficiently sintered together to bind the particulate abrasive material into a rigid rod. The braze alloy contains one component selected from the group consisting of nickel, nickel alloy, silver, silver alloy, gold, gold alloy, copper, copper alloy and mixtures thereof, and a second component selected from the group consisting of iron, iron alloy, cobalt, cobalt alloy, tin, tin alloy, boron, silicon, chromium, chromium alloy and mixtures thereof. The diamond particles are coated with a material selected from the group consisting of tungsten, molybdenum, chromium, nickel, iron, cobalt, palladium, tungsten carbide, molybdenum carbide, chromium carbide and iron carbide. The carbide particles are selected from the group consisting of tungsten carbide, molybdenum carbide and chromium carbide.

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