Homogeneous iron based powder mixtures free of segregation

Details Homogeneous iron based powder mixtures free of segregation Homogeneous iron based powder mixtures free of segregation

1981-02-20

1984-11-20

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite powder

49 65, 75231, 75251, 75252, 75255, 419 2, 419 35, 419 36, 419 37, B22F 100

Patent

active

044839057

ABSTRACT:
A metal powder containing particles of iron or steel and particles of an alloying element is apt to segregation and dusting. It has now been found that segregation and dusting can be reduced or eliminated if the powder contains a binding agent in solid or liquid state. It is preferred to add to the metal powder one of the agents polyethylene glycol, polypropylene glycol, glycerine, and polyvinyl alcohol, in a quantity of 0.005-0.2 percent by weight.

REFERENCES:
patent: 3307924 (1967-03-01), Michael
patent: 3470019 (1969-09-01), Steele
patent: 3516933 (1970-06-01), Andrews et al.
patent: 3988524 (1976-10-01), Dreyer et al.
patent: 4062678 (1977-12-01), Dreyer et al.
patent: 4106932 (1978-08-01), Blachford
patent: 4181525 (1980-01-01), Novinski

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