Lubricants for powdered metals

Details Lubricants for powdered metals Lubricants for powdered metals

1975-07-31

1977-01-11

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75214, 264111, B22F 300

Patent

active

040024741

ABSTRACT:
Discrete pressure-rupturable microcapsules for lubrication in powder metallurgy are disclosed comprising a core and a solid shell surrounding said core; the core comprises an organic liquid lubricant able to wet powdered metals, the shell comprises a thin non-atmospherically degradable polymeric material; the microcapsules may be used as the sole lubricant in the manufacture of sintered metal parts or may be used in admixture with other solid lubricants to produce beneficial synergistic effects.

REFERENCES:
patent: 3305358 (1967-02-01), Lirones
patent: 3728110 (1973-04-01), Klar et al.
patent: 3776987 (1973-12-01), Grimes et al.
patent: 3781170 (1973-12-01), Nakao et al.
patent: 3929476 (1975-12-01), Kirby et al.

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