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材料导报  2021, Vol. 35 Issue (14): 14084-14088    https://doi.org/10.11896/cldb.20090195
  金属与金属基复合材料 |
低成本Al-Ti-Cr高强耐海水腐蚀钢耐蚀性能研究
殷鑫, 孟征兵*, 胡浩
桂林理工大学材料科学与工程学院,桂林 541004
Research on Corrosion Resistance of Low Cost Al-Ti-Cr High Strength Seawater Corrosion Resistant Steel
YIN Xin, MENG Zhengbing*, HU Hao
College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
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摘要 本工作以普碳钢为基体,添加Cr、Ti、Al等元素制备了新型低成本高强耐蚀钢,通过动电位极化、交流阻抗、周浸腐蚀实验和盐雾加速腐蚀实验研究了低成本Al-Ti-Cr高强耐蚀钢的耐海水腐蚀性能。结果表明:钢中的Cr能促进锈层向致密的α-FeOOH进行转变;Al和Ti提供阳极保护的同时,Al还能产生致密的Al2O3分散在锈层表面延缓腐蚀介质向基体的侵蚀,而Ti能够呈点状或者片状富集在锈层内部,对晶间腐蚀起到一定的保护作用,大幅度提高了耐蚀钢的耐蚀性能。
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殷鑫
孟征兵
胡浩
关键词:  耐蚀钢  电动极化  交流阻抗  盐雾试验    
Abstract: Anew type of low-cost, high-strength, high-strength steel was prepared by adding elements such as Cr, Ti, and Al to plain carbon steel. The seawater corrosion resistance of low-cost Al-Ti-Cr high-strength corrosion-resistant steel was studied by potential polarization, AC impe-dance, peripheral immersion corrosion test and salt spray accelerated corrosion test.The research results show that: Cr in steel can promote the transformation of rust layer to dense α-FeOOH. While Al and Ti provide anodic protection, Al produces dense Al2O3 dispersed on the surface of the rust layer to retard the corrosion of the corrosive medium to the substrate. Ti can be concentrated in the rust layer in dots or flakes, which can protect the intergranular corrosion and greatly improve the corrosion resistance of the corrosion-resistant steel.
Key words:  corrosion resistant steel    potentiodynamic polarization    electrochemical impedance spectroscopy    salt spray test
               出版日期:  2021-07-25      发布日期:  2021-08-03
ZTFLH:  TB31  
基金资助: 广西科技重大专项(2018AA23004)
通讯作者:  * mengzbing@163.com   
作者简介:  殷鑫,2018年6月毕业于湖南工学院,获得工学学士学位。并于2018年9月进入桂林理工大学材料科学与工程学院攻读硕士学位,主要从事钢铁材料耐蚀性能及力学性能等方面的研究。
孟征兵,博士,高级工程师,硕士生导师,中国注册会计师非执业会员,中国金属学会连续铸钢分会第五届连铸工艺学术委员会委员。2015年加入桂林理工大学工作至今,主要从事钢铁冶金新工艺、钢铁材料的开发,冶金资源的综合利用等方面的研究。在国内外重要期刊发表论文10多篇,申请专利10余项。
引用本文:    
殷鑫, 孟征兵, 胡浩. 低成本Al-Ti-Cr高强耐海水腐蚀钢耐蚀性能研究[J]. 材料导报, 2021, 35(14): 14084-14088.
YIN Xin, MENG Zhengbing, HU Hao. Research on Corrosion Resistance of Low Cost Al-Ti-Cr High Strength Seawater Corrosion Resistant Steel. Materials Reports, 2021, 35(14): 14084-14088.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.20090195  或          http://www.mater-rep.com/CN/Y2021/V35/I14/14084
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