High expansion dental alloys

   
   

Chromium-cobalt alloys useful for use with high-expansion porcelains in the fabrication of prosthetic dental appliances. The alloys herein comprise cobalt, chromium and manganese as essential components; and include one or more of aluminum, indium, gallium, tin, and germanium; and may include one or more of iron, nickel, palladium and platinum. Optional components include gold, tantalum, niobium, molybdenum, tungsten, vanadium, iridium, ruthenium, rhenium, titanium, silicon, copper, zirconium, hafnium, boron, yttrium, and rare earths metals. The alloys herein are useful with high-expansion dental ceramics and porcelains.

o Cromo-chromium-cobalt alloys útil para o uso com as porcelanas da elevado-expansão na fabricação de dispositivos dentais protéticos. As ligas nisto compreendem o cobalt, o cromo e o manganês como componentes essenciais; e inclua aquele ou mais do alumínio, do indium, do gallium, da lata, e do germânio; e pode incluir aquela ou mais do ferro, niquelar, do paládio e da platina. Os componentes opcionais incluem o ouro, o tantalum, o niobium, o molibdênio, o tungstênio, o vanadium, o iridium, o ruthenium, o rhenium, o titânio, o silicone, o cobre, o zirconium, o hafnium, o boro, o yttrium, e os metais das terras raras. As ligas nisto são úteis com ceramics e porcelanas dentais da elevado-expansão.

 
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