Sintered hard metals having high wear resistance

Details Sintered hard metals having high wear resistance Sintered hard metals having high wear resistance

1979-02-26

1981-06-23

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 75128D, 75128W, B22F 500

Patent

active

042748763

ABSTRACT:
The invention relates to sintered hard metals obtainable by mixing, pressing and sintering the powders of Cr: 0.2-5%, Ni: 0.5-10%, Mo: 4-12%, Co: 1-10% or C: 0.7-2%, iron powder within the scope of residual Fe, Fe-Mo, Cr-Mo-Co, Mo-Co, Ni-Mo-Cr alloy powders or a carbide powder having Vickers hardness higher than 400 as hard phase components, or calcium fluoride or barium fluoride. The invention has as its object the provision of sintered hard metals having the aforesaid composition for use in sliding members having high wear resistance and processability.

REFERENCES:
patent: 3942954 (1976-03-01), Frehn
patent: 4017711 (1977-04-01), Honma et al.
patent: 4035159 (1977-07-01), Hashimoto et al.

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