Summary
The alloying of tungsten powder with nickel (4–5%) facilitates the infiltration of the hard tungsten skeleton with liquid copper in the manufacture of sintered tungsten-copper parts, which helps to produce dense, practically nonporous material. In addition, the alloying with nickel increases the corrosion resistance of contact components at their operating temperature (343–373°K) during prolonged service.
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Teodorovich, O.K., Levchenko, G.V. Nickel in tungsten-copper contacts. Powder Metall Met Ceram 3, 476–479 (1964). https://doi.org/10.1007/BF01194585
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DOI: https://doi.org/10.1007/BF01194585