镍基耐蚀合金特性、进展及其应用

Properties, progression and application of Ni-base corrosion resistant alloys

镍基耐蚀合金是一类高性能的耐蚀材料.基于防腐蚀问题,概述了纯镍的性质与耐蚀特性,分析了镍基耐蚀合金与镍铬不锈钢及镍基高温合金的区别与联系.介绍了工程中镍基耐蚀合金的种类及其应用,强调了高性能通用型镍铬钼合金的特征与进展.并结合应用实例,提出应大力发展、开发及应用此类高性能耐蚀材料.

The Nibase corrosion resistant alloys is a category of corrosion resistant material with high performance. In connection with the corrosive reality, the properties and corrosion resistant characteristics of pure nickel are briefly outlined, and the distinctions in those respects and relationship between Nibase corrosion resistant alloys and NiCr stainless steels, Nibase super alloys are analyzed. Several engineering Nibase corrosion resistant alloys and their applications are introduced, emphasizing on the characteristics and progress of versatile high performance NiCrMo alloys. Finally with an application examples, it is pointed out that this kind of high performance corrosion resistance materials should be greatly developed and extensively used in engineering. 