Sintered Ti-system material product derived from injection molding of powder material and producing method thereof
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United States of America Patent
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Oct 23, 2001
Grant Date -
N/A
app pub date -
Aug 4, 2000
filing date -
Aug 4, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a sintered Ti-based material product derived from injection molding of a powder material. The outer layer region of the product comprises a lower amount of carbon than the inner layer region of the same. The inner layer region comprises a Ti-based carbide which has an average grain size of not less than 1 .mu.m and which is dispersed in the inner structure to have an area fraction of not less than 0.1% to not more than 20%. The outer layer region comprises a lower amount of Ti-based carbide than the inner layer region. There can be observed an area fraction of less than 0.1% of the Ti-based carbide at the surface of the sintered Ti-based material product.
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