| 简介 |
Fireable alloy (I) to prepare dental restoration blended with ceramic material, comprises +- 37, preferably 18-23.5 wt.% of nickel-chromium; 8-16 wt.% of molybdenum and tungsten; 0.5-3.4, preferably 2.1-3.4 wt.% of silicon and 0.31-2.5 wt.% or 0-0.05 wt.% of boron; 0-0.9 wt.% of niobium; 0-0.5 wt.% of manganese; 0-0.02 wt.% of carbon; 0-30 wt.% of iron, cobalt and copper; 0-0.5 wt.% of aluminum, titanium, zirconium, hafnium, yttrium, lanthanum, cerium, other rare earth metals, calcium and strontium; 0-0.3 wt.% of beryllium; and 0-10 wt.% of other metal, metalloids and other ingredients. An independent claim is included for a ceramic blended dental restoration comprising a scaffold of (I); and a dental ceramic with a heat expansion coefficient of 12-14 [10 6>K ->1] at 25-500[deg] C, which is calcined on the scaffold. |
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