Dental casting alloy
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United States of America Patent
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May 9, 2006
Issued Date -
N/A
app pub date -
Jun 12, 2003
filing date -
Jun 13, 2002
priority date (Note) -
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Abstract
To improve the fracture resistance of a dental casting alloy without giving rise to undue hardness thereof it is proposed that the dental casting alloy substantially consists of TABLE-US-00001 28 34 wt % Cr, 5 9 wt % Mo, 1 3 wt % W, 0.9 1.3 wt % Si, 0.15 0.3 wt % Mn, 0.1 0.3 wt % N, 0.1 0.3 wt % C, <0.1 wt % Ni, manufacturing impurities, remainder cobalt, the ratio of the content of Mo to that of W being in the range of from about 3:1 to about 5:1 and the ratio of the content of Si to that of Mn being in the range of from about 3:1 to about 9:1.
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