Particulate feedstock for metal injection molding
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United States of America Patent
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Nov 26, 1996
Grant Date -
N/A
app pub date -
Apr 24, 1995
filing date -
Sep 11, 1992
priority date (Note) -
Expired
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Abstract
Particles of metal alloys and composites have been developed that are particularly suitable for use in producing thixotropic alloys and in the injection molding of such alloys. The particulate material comprises particles of metal alloy or composite, wherein a substantial proportion of the particles is shaped such that the ratio of the length of the largest dimension of a particle to the effective diameter of the particle is in the range of 1.0 to 4.0 and the substantial proportion of particles has a particle size wherein the largest dimension of the particles lies within the range of 0.5 to 5.0 mm. This allows convenient handling of the particles whilst also avoiding binding or clogging of the screw, in the case where a screw extruder is used.
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