Electrical contact material

Details Electrical contact material Electrical contact material

1979-11-05

1981-09-29

Skiff, Peter K.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75244, 75248, 148 115P, C22C 2704

Patent

active

042920787

ABSTRACT:
Electrical contact material of this invention consists of 10 to 20 percent by weight of nickel, 0.05 to 2 percent by weight of titanium boride and the balance tungsten. Conventionally, nickel-tungsten alloy shows poor mechanical properties (e.g. brittleness) although the alloy shows high oxidation resistance and can be produced in an inexpensive way. Inclusion of titanium boride greatly improves the mechanical properties of such alloy, thereby enabling the cheap production of electrical contact material which has sufficient practical use.

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