Improving Corrosion Resistance of Q235 Steel by Ni-Cr Alloyed Layer

武汉理工大学学报-材料科学版(英文版), 2012, (1): 33-37. doi: 10.1007/sl1595-012-0402-x

^1, , ^2, , ^3, , ^4,

1.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

2.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

3.College of Math and Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China

4.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

基金项目: Funded by the Jiangsu Province Technology Results Transformation Special Funds(BA2007036)

Improving Corrosion Resistance of Q235 Steel by Ni-Cr Alloyed Layer

HUANG Jun ^1, , ZHANG Pingze ^2, , WU Hongyan ^3, , BI Qiang ^4,

1.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

2.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

3.College of Math and Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China

4.College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Keywords： double glow plasma surface metallurgy

Ni-Cr alloyed layer was formed on surface of Q235 steel by double glow plasma surface metallurgy to improve the corrosion resistance of substrate.The composition and microstructure of alloyed layer was analyzed by SEM and XRD.Potentiodynamic polarization and electrochemical impedance spectroscopy was applied to evaluate the corrosion resistance of the alloyed layer.The results showed working pressure had a great effect on structure of Ni-Cr alloyed layer,and the dense and smooth alloyed layer was prepared at 50 Pa working pressure.Compared with substrate,Ni-Cr alloyed layer exhibited higher corrosion potential,lower corrosion current density and larger charge transfer resistance,which indicated that Ni-Cr alloyed layer significantly modified the corrosion resistance of Q235 steel.

参考文献

[1]	A. Thomas;M. El-Wahabi;J.M. Cabrera .High temperature deformation of Inconel 718[J].Journal of Materials Processing Technology,2006(1/3):469-472.
[2]	R. M. CARRANZA;M. G. ALVAREZ .THE EFFECT OF TEMPERATURE ON THE PASSIVE FILM PROPERTIES AND PITTING BEHAVIOUR OF A Fe-Cr-Ni ALLOY[J].Corrosion Science,1996(6):909-925.
[3]	Fernandez E;Garcia JR;Cuetos JM;Higuera V .Behaviour of laser treated Cr, Ni coatings in the oxidative atmosphere of a steam boiler[J].Surface & Coatings Technology,2005(1):1-7.
[4]	Z. Xu;X. Liu;P. Zhang;Y. Zhang;G. Zhang;Z. He .Double glow plasma surface alloying and plasma nitriding[J].Surface & Coatings Technology,2007(9/11):4822-4825.
[5]	J. Creus;H. Mazille;H. Idrissi .Porosity evaluation of protective coatings onto steel, through electrochemical techniques[J].Surface & Coatings Technology,2000(2/3):224-232.
[6]	Li Chengming;Tiao Linhai;Xu Zhong .Sputtering of W-Mo alloy under ion bombardment[J].Transactions of Nonferrous Metals Society of China,1999(3):629-633.
[7]	Abdel Salam Hamdy;Anna Maria Beccaria;Roberto Spiniello .The effect of cerium pretreatment on the corrosion behaviour of aluminium composites[J].Corrosion Prevention & Control,2001(3):101-109.

上一张下一张

计量

下载量()
访问量()

作者相关

在本站搜索
在百度学术搜索
在万方数据库搜索
在CNKI搜索

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

Improving Corrosion Resistance of Q235 Steel by Ni-Cr Alloyed Layer

参考文献