稀土元素对低合金钢腐蚀性能作用机理  

Mechanism of Action of Rare Earth Elements on Corrosion Resistance of Low Alloy Steel

作　　者：雷元素 董瑞峰[1] 母志鹏 周培英 吴彦杰 Lei Yuan-su;Dong Rui-feng;Mu Zhi-peng;Zhou Pei-ying;Wu Yan-jie(School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot 010051,Inner Mongolia Autonomous Region,China)

机构地区：[1]内蒙古工业大学材料科学与工程学院,内蒙古呼和浩特010051

出　　处：《包钢科技》2023年第5期33-36,共4页Science & Technology of Baotou Steel

基　　金：国家自然科学基金资助项目(52161015);内蒙古科技计划资助项目(2021GG0238)。

摘　　要：随着工业的不断发展,世界各国对钢材质量的要求也越来越高,如何提高钢材的耐蚀性,已成为目前的研究重点。稀土元素对钢材耐腐蚀性能的改善作用已经得到了证实,文章通过调研大量文献,重点阐述了稀土元素对低合金钢夹杂物改性、点腐蚀原因、锈层结构和成分变化以及电化学腐蚀性能等方面的影响机理,为促进稀土元素在钢中的应用提供理论依据。With the continuous development of industry,the requirements of steel quality for various countries in the world are higher and higher.It has been current research emphasis how to improve the corrosion resistance of steel.The effects of rare earth elements on improving corrosion resistance of steel have been proved.In the paper,it is mainly elaborated the influence mechanisms of rare earth elements on modification of inclusions,causes of pitting,change of structure and components of rust layers as well as electrochemical corrosion resistance of low alloy steel through investigating a large number of literatures,which could provide the theoretical basis for promoting applications of rare earth elements in steel.

关 键 词：低合金钢 稀土元素 夹杂物 点蚀 锈层 

分 类 号：TG174.3[金属学及工艺—金属表面处理] TG142[金属学及工艺—金属学]