Effect of Molybdenum on the Formation of Carbides and Phases Structure of 12Cr20Ni38Mo5-Alloy

Abstract

The Ni-Cr-Mo alloy is polygertic material. Its micro-structure is mainly containing gamma phases [1-3]. The essential base of this alloy is intermetallic compound of nickel with molybdenum and nickel with chromium. For high content of chromium and molybdenum additions complex carbides of M23C6, Mo6C can be formed[4-10]. The Ni-Cr-Mo alloys have strong corrosion resistance.The Chromium and molybdenum carbides have got large influence to chemical resistance of alloys [4-6]. The investigation of effect molybdenum on the structural stabilisation of 12Cr20Ni38Mo5-alloy can be effective. The aim of the present paper is to review major results and understandin-gs obtained during researches and use -Ni-Cr-Mo alloys