Method of making manganese sulfide compositions
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United States of America Patent
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May 16, 2006
Grant Date -
Sep 29, 2005
app pub date -
May 4, 2005
filing date -
Nov 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed herein are compositions of a manganese sulfide (MnS) compound useful as additives for making a sintered product. Also disclosed herein is a method of making the composistions in which molybdenum (Mo) or Fe--Mo is added to the MnS compound to improve machinability and to obtain a more stable MnS compound, thereby reducing any change in weight and size in a sintering process. The compositions can suppress erosion of parts in a sintering furnace during a sintering process, prevent sooting on a surface of the sintered product from occurring, and enhance resistance to moisture in the air to keep the sintered product in the air for a long time.
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