LOW MELTING POINT NI-CR ALLOY FOR CAST DENTAL PRODUCTS

摘要

ABSTRACT OF THE DISCLOSUREA low melting Ni-Cr alloy is disclosed which iseasily fusible with a commonly and easily available low-calorieheat source. The alloy comprises Ni, Cr, Cu, Mn and Al as theprincipal components thereof and an appropriate deoxidizer.There is further added at least one alloying element selectedfrom the group consisting of Ga, Nb and Zr or other alloyingelements if circumstances permit. The low melting nature ofthe alloy disclosed simplifies casting procedures, makes plastermolds available and facilitates the removal of products aftercasting. This alloy is useful for the manufacture of variouscast dental products such as crowns and bridges.