FIELD: metallurgy.
SUBSTANCE: steel contains carbon, silicon, manganese, chrome, nickel, molybdenum, nitrogen, iron and unavoidable admixtures, at following components ratio, wt %: carbon 0.1-0.2, silicon 1.3-2.5, manganese 1.0-2.5, chrome 19.0-25.0, nickel 15.0-23.0, molybdenum 2.5-5.5, nitrogen 0.04-0.15, iron and unavoidable admixtures - the rest. Equivalents of austenite former and ferrite former are related by following dependence Aequ/Fequ≥0.85, where Aequ=%Ni+30%C+27%N+0.5%Mn, Fequ=%Cr+%Mo+1.5%Si.
EFFECT: steel hardening, it is provided receiving of stably antimagnetic austenitic structure with keeping of corrosion stability and nontoxility in oral cavity, manufacturability at manufacturing of dental prosthesis.
2 tbl
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HIGH-STRENGTH NICKEL ALLOY FOR ORTHOPAEDIC DENTISTRY | 2011 |
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Authors
Dates
2009-05-10—Published
2007-09-14—Filed