| 摘要 |
Dental moulding alloy consists of chrome, cobalt, nickel, beryllium nd at least one of the following metals: palladium, ruthenium, iridium and platinum. Approximate alloy compositions are 24% Cr, 11% Co, 2.5% Be, 32.5% - 52.5% Ni; remainder Pd, Ru, Ir or Pt. Variations permit these ingredients to be 42.5% Ni or 42.5% and 10, 20 or 30% Pd, while maintaining the Cr, Co and Be percentages as described. |
