Invention Grant
US08524150B2 Dental alloy with a high gold content that is devoid of palladium and copper 有权
具有高金含量的牙科合金,不含钯和铜

Dental alloy with a high gold content that is devoid of palladium and copper
Abstract:
A dental alloy with a high gold content that is devoid of palladium and copper. To achieve high mechanical stability, the dental alloy contains between 75 and 95 wt. % Au, between 5 and 20 wt. % Pt, between 0.5 and 3.5 wt. % Zn and/or Sn and/or In, between 0.1 and 0.8 wt. % of an element of a group I, in addition to a single particle refiner of a group II. The weight fraction of the element of group I is between 2 and 6 times that of the single particle refiner of group II, and one element of group I is represented by Nb or Ta or Ti or V and the particle refiner of group II is represented by Ir or Rh.
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