耐碱蚀稀土合金铸铁研究与发展概述

Summary of Research and Development on Alkali Corrosion Resistant Alloy Cast Iron Containing Rare Earths

普通铸铁、0C r18N i9等材料在高温浓碱液中的腐蚀严重。基于碱腐蚀问题,概述了国内外各种耐碱蚀合金铸铁的腐蚀特性、发展及应用,并从稀土、镍、铬、铜合金元素及组织对腐蚀性能的影响方面,分析了稀土合金铸铁的研究状况和发展。

Plain cast iron,0Cr18Ni9 etc. is corroded seriously in high temperature concentrated alkali solution. In connection with the problem of alkali corrosion, the corrosion properties ,developments and applications of the alkali corrosion resistant alloys are briefly outlined, and according to the facet of the alloyed element of RE,Ni, Cr,Cu etc. , the research and production of the alloyed cast iron of RE,Ni,Cr etc.