| 摘要 |
FIELD: stomatology. ^ SUBSTANCE: invention relates to nickel-based alloy used for molding metallic carcasses of fixed metalloceramic dentures. Invention, in particular, provides nickel-based alloy containing, wt %: carbon 0.001-0.03, silicon 0.5-2.5, manganese 0.001-0.2, chromium 22.0-25.0, molybdenum 9.0-11.0, vanadium 0.15-0.5, iron 0.01-1.0, cobalt 0.01-1.0, one or more rare-earth element (yttrium allays one of them) 0.2-1.0, and additionally tungsten 0.03-3.0, niobium 0.5-2.0, and tantalum 0.03-2.5, provided that sum of concentrations [Cr]+[Mo]+[W]+[V]+[Nb]+[Ta]=32-44 wt % and ratio . ^ EFFECT: improved strength and plastic characteristics and increased adhesion of metal-ceramic connection. ^ 2 cl, 2 tbl, 10 ex |
