Use of silver-free palladium alloys for firing on dental ceramic

Alloys or metallic compositions – Palladium base – Copper containing

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C22C 504

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046817352

ABSTRACT:
Economical but readily workable palladium alloys for baking on dental ceramics consist of 60 to 80% palladium, 0 to 8% gold, 0 to 5% platinum, 0 to 1% ruthenium and/or rhenium, 2 to 20% copper, 1 to 12% tin and/or indium, 0.2 to 5% of at least one of the elements tungsten, molybdenum, niobium, and tantalum, and 0 to 15% cobalt, with the proviso that the sum of tin and indium must be between 5 and 14%.

REFERENCES:
patent: 4063937 (1977-12-01), Goltsov et al.
patent: 4261744 (1981-04-01), Boyajion
patent: 4400350 (1983-08-01), Wagner

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