Powder metallurgical method

Details Powder metallurgical method Powder metallurgical method

1984-03-23

1986-02-11

Lieberman, Allan M.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 30, 419 57, 419 60, B22F 316, B22F 700

Patent

active

045698236

ABSTRACT:
A powder metallurgical method of producing metal bodies using spherical powder, produced by inert gas atomization, from magnetizable material with a particle size distribution closely approximating the so called Fuller curve for maximum density packing of spherical particles. Said powder is magnetized and filled into a form, which may take place before or after magnetization, said mixed and magnetized powder then sintered in said form with the exclusion of air, to produce a sintered body without communicating porosity.

REFERENCES:
patent: 4011051 (1977-03-01), Helton et al.
Hultgren, "Fundamentals of Physical Metallurgy", Prentice-Hall, Inc., N.Y., pp. 220 & 221, 1952.

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