FABRICATION METHOD OF ALLOY PARTS BY METAL INJECTION MOLDING AND THE ALLOY PARTS
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
Jan 30, 2007
filing date -
Jun 28, 2006
priority date (Note) -
Abandoned
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Abstract
Provided is a method of manufacturing a part and the part capable of manufacturing a high value-added precision part having a low sintering temperature, a good hardness, and a good productivity at a low cost. The method includes steps of: mixing a material of from 40 to 75 wt % selected from the group consisting of Fe and a combination of Fe and Co, a material of 20 wt % or more selected from the group consisting of W, Mo, Cr, Nb, V, and Ni, a material of from 2 to 14 wt % selected from the group consisting of B, C, Cu, and Si, alloy powder having a composition including unavoidable impurities, and a binder; performing an injection molding on the mixture to form the injection moldings to have a shape of the part; removing the binder from the injection moldings; and sintering the injection moldings from which the binder is removed.
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