摘要
在“双碳”战略引领下,绿色低碳的金属表面渗氮耐磨耐蚀改性技术焕发出新的活力,在工业领域的应用将会越来越广泛。探究渗氮层微观结构、物相组成对腐蚀过程的耦合作用机理对提升渗氮层的耐蚀性、延长渗氮零件的服役寿命以及渗氮表面改性技术的发展具有重要理论和工程意义。本文综述了钢的渗氮层耐蚀性能的研究进展,分析了钢的合金成分对渗氮层耐蚀性能的影响,讨论了渗氮层中氮化物、α-Fe物相组成与微孔结构对其耐蚀性能耦合作用机理,探讨了提高耐蚀性能方法和提高渗氮层耐蚀性亟待解决的关键问题。
Under the guidance of the“peak carbon dioxide emissions”and“carbon neutrality”strategy,the green and low-carbon nitriding modification technology,which improves the wear resistance and corrosion resistance of the metal surface,has shown new vitality and will be more and more widely used in industry.Exploring the coupling mechanism of microstructure and phase composition of nitriding layer on corrosion process has important theoretical and engineering significance for improving the corrosion resistance of nitriding layer,prolonging the service life of nitriding parts and the development of nitriding surface modification technology.In this paper,the research progress of the corrosion resistance of nitriding layer of steel is reviewed,the effect of the alloy composition of the steel on the corrosion resistance of the nitriding layer is analyzed,the coupling influence mechanism of nitride,α-Fe phase composition and microporous structure in the nitriding layer on its corrosion resistance is discussed,the methods to improve the corrosion resistance and the key problems to be solved to improve the corrosion resistance of nitriding layer are put forward.
作者
司晋伟
孙金全
鲍建齐
黄鑫
李福杰
杨洁
谢鲲
崔洪芝
SI Jin-wei;SUN Jin-quan;BAO Jian-qi;HUANG Xin;LI Fu-jie;YANG Jie;XIE Kun;CUI Hong-zhi(School of Materials Science and Engineering,Shandong University of Science and Technology,Qingdao 266590,China)
出处
《材料热处理学报》
CAS
CSCD
北大核心
2022年第10期1-9,共9页
Transactions of Materials and Heat Treatment
关键词
渗氮
碳钢
化合物层
微观结构
物相
耐蚀性
nitriding
carbon steel
compound layer
microstructure
phase
corrosion resistance
