激光熔覆铜锰合金选择性脱合金制备纳米多孔涂层的研究

董长胜; 谷雨; 钟敏霖; 马明星; 黄婷; 刘文今

doi:10.7498/aps.61.094211

摘要

本文通过激光加工结合电化学腐蚀脱合金法, 成功实现了纳米多孔涂层的制备. 采用激光熔覆首先在45钢表面制备了成形良好、稀释率低的铜锰合金熔覆层, 并通过快速重熔工艺实现了初始材料组织细化. 研究表明, 在不同的电解液下,铜锰合金的临界腐蚀电位出现了明显的偏移; 在不同的腐蚀电流下,铜锰合金腐蚀后的形貌迥异. 最终,通过选择性腐蚀成功实现了纳米多孔铜和纳米多孔锰涂层的制备, 并利用电位-pH图对脱合金的选择性腐蚀进行了详细的理论解释.

关键词:

Abstract

The nanoporous metal is fabricated by means of hybrid laser processing in combination with electrochemical dealloying. Cu-Mn alloy coatings with fine shape, low dilute ratio and refined microstructure are fabricated on medium carbon steel by means of laser processing. Polarization curve indicates that the Cu-Mn alloy shows selective dissolution characteristics for different electrolytes. Nanoporous Cu and nanoporous Mn are fabricated with optimal electrochemically dealloying parameters. Nanoporous Cu has pore sizes rangeing from 30 to 50 nm, while the surface morphology of the porous Mn shows a ribbon-like structure with ultrahigh roughness factor up to 900. Finally, the potential-pH diagram is used to explain the mechanism of the dealloying.

Keywords:

作者及机构信息

1.
清华大学机械工程系, 先进成形制造教育部重点实验室, 北京 100084

基金项目: 国家自然科学基金(批准号: 90923021), 清华大学自主研究计划 (批准号: 2010THZ0) 和北京市教育委员会科技计划重点项目(批准号: KZ201110005001)资助的课题.

Authors and contacts

1.
Department of Mechanical Engineering, Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Tsinghua University, Beijing 100084, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 90923021), the Independent Scientific Research Plan of Tsinghua University (Grant No. 2010THZ0), and the Key Program for Science and Technology Project of Beijing Municipal Education Commission (Grant No. KZ201110005001).

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施引文献

[1]	Zhong M L, Fan P X 2011 Chinese J. Lasers 38 0601001 (in Chinese) [钟敏霖, 范培迅 2011 中国激光 38 0601001]
[2]	Zhang L D, Xie S S 2004 Nano Mateirals and Nano Structure (Beijing: Chemical Industry Press) p241 (in Chinese) [张立德, 谢思深 2004 纳米材料和纳米结构 (北京:化学工业出版社) 第241页]
[3]	Liu P S 2004 Introduction of Porous Materials (Beijing: Tsinghua University Press) p1 (in Chinese) [刘培生 2004 多孔材料引论 (北京:清华大学出版社) 第1页]
[4]	Ryoo R, Joo S H, Kruk M 2001 Adv. Mater. 13 667
[5]	Shin H J, Ko C H, Ryoo R 2001 J. Mater. Chem. 11 260
[6]	Ding Y, Kim Y J, Erlebacher J 2004 Adv. Mater. 16 1897
[7]	Erlebacher J, Aziz M J, Karma A, Dimitrov N, Sieradzki K 2001 Nature 410 450
[8]	Huang J F, Sun I W 2005 Adv. Funct. Mater. 15 989
[9]	Jia F, Yu C, Ai Z, Zhang L 2007 Chem. Mater. 19 3648
[10]	Pugh D, Dursun A, Corcoran S 2003 J. Mater. Res. 18 216
[11]	Pugh D, Dursun A, Corcoran S. 2005 J. Electrochem. Soc. 152 B455
[12]	Lu H B, Li Y, Wang F H 2007 Scripta Mater. 56 165
[13]	Huang J F, Sun I W 2005 Adv. Funct.Mater. 15 989
[14]	Thorp J C, Sieradzki K, Tang L, Crozier P A, Misra A, Nastasi M, Mitlin D, Picraux S T 2005 Appl. Phys. Lett. 88 033110
[15]	Jia Z, Dai C S, Chen L 2006 Electrochemical Measurement Techniques (Beijing: Chemical Industry Press) p238 (in Chinese) [贾铮, 戴长松, 陈玲 2006 电化学测量方法 (北京:化学工业出版社) 第238页]
[16]	Li S, Chien C L, Searson P C 2004 Chem. Mater. 16 3125
[17]	Chang J K, Hsu S H, Sun I W, Tsai W T 2008 J. Phys. Chem. C 112 1371
[18]	Dong C S, Gu Y, Zhong M L, Li L, Ma M X, Liu W J 2011 Appl. Surf. Sci. 257 2467
[19]	Senior N A, Newman R C 2006 Nanotechnology 17 2311
[20]	Kan Y D 2008 Ph. D. Dissertation (Beijing: Tsinghua University) (in Chinese) [阚义德 2008 激光制备介孔结构涂层的研究 (北京:清华大学)]
[21]	Erlebacher J 2004 J. Electrochem. Soc. 151 C614
[22]	Liu H T, He P, Li Z Y, Li J H 2006 Nanotechnology 17 2167
[23]	Li D 2008 Electrochemical Thoery (Beijing: Beijing University of Aeronautics & Astronautics Press) p54--56 (in Chinese) [李荻 2008 电化学原理(北京:北京航空航天大学出版社) 第54---56页]
[24]	Huang Y C 1989 Corrosion and Protection of Metals (Shanghai: Shanghai Jiao Tong University Press) p15--28 (in Chinese) [黄永昌 1989 金属腐蚀与防护原理 (上海:上海交通大学出版社)第15---28页]
[25]	Zhang C Z 1985 Corrosion and Protection of Metals (Beijing: Metallurgical Industry Press) p79--89 (in Chinese) [张承忠 1985 金属的腐蚀与防护(北京:冶金工业出版社)第79---89页]
[26]	Jiang J X, Zhang P F, Gao M T 1986 Metal Corrosion (Beijing: National Defense Industrial Press) p4--28 (in Chinese) [蒋金勋, 张佩芬, 高满同 1986 金属腐蚀学 (北京:国防工业出版社) 第4---28页]
[27]	Zhao W Z 1998 Materials Surface Engineering (Xi'an: Xi'an Jiao Tong University Press) p90--95 (in Chinese) [赵文轸 1998 材料表面工程(陕西:西安交通大学出版社)第90---95页]
[28]	Aksu S 2009 J. Eleltrochem. Soc. 156 C387
[29]	Tyurin A G 2005 Prot. Met. 41 69

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