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[1]王升高,杜祖荣,蒋宗炎,等.镍基纳米碳管/二氧化钛复合镀层的制备及性能[J].武汉工程大学学报,2013,(09):48-53.[doi:103969/jissn16742869201309010]
　WANG Sheng\|gao,DU Zu\|rong,JIANG Zong\|yan,et al.Preparation and properties of nickel matrix carbon nanotubes/titanium dioxide composite coating[J].Journal of Wuhan Institute of Technology,2013,(09):48-53.[doi:103969/jissn16742869201309010]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年09期
页码:
48-53
栏目:
资源与土木工程
出版日期:
2013-10-10

文章信息/Info

Title:
Preparation and properties of nickel matrix carbon nanotubes/titanium dioxide composite coating
文章编号:
16742869(2013)09004804
作者:
王升高; 杜祖荣; 蒋宗炎; 皮晓强; 孔垂雄; 王传新; 汪建华
武汉工程大学湖北省等离子体化学与新材料重点实验室，湖北 武汉430074
Author(s):
WANG Sheng\|gao;  DU Zu\|rong;  JIANG Zong\|yan;  PI Xiao\|qiang;  KONG Chui\|xiong;  WANG Chuan\|xin;  WANG Jian\|hua
Provincial Key Laboratory of Plasma Chemistry and Advanced Materials of Hubei Province, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
纳米复合粉体; 电沉积; 复合镀层
Keywords:
nano composite powder;  electrodeposition;  composite coating
分类号:
TB383
DOI:
103969/jissn16742869201309010
文献标志码:
A
摘要:
为了改善金属基材的表面性能，以钛铁矿为原料，利用微波等离子体化学气相沉积法制备了纳米碳管/二氧化钛复合粉体.采用复合电泳电沉积法在不锈钢基体表面制备了镍基纳米碳管/二氧化钛复合镀层；利用扫描电镜、X射线衍射仪、数显维氏硬度计和电化学测试等手段研究了纳米碳管/二氧化钛复合粉体对复合镀层结构和性能的影响.结果表明纳米碳管/二氧化钛复合粉体的加入有效地减小了复合镀层中镍的晶粒尺寸，促进了金属镍沿（111）晶面择优取向生长，改变了镍的电沉积层结构，提高了镀层的硬度，改善了镀层的耐腐蚀性能；在复合粉体的作用下，复合镀层的硬度与纯镍镀层相比提高了110%，腐蚀电位正移了23 mV，腐蚀电流密度减少了0.991微安/平方厘米.
Abstract:
To boost the surface properties of metal, carbon nanotubes (CNTs)/ titanium dioxide (TiO2) composite powders were synthesized by microwave plasma chemical vapor deposition. Carbon nanotubes/ titanium dioxide enhanced nickel matrix composite coating was grown on the stainless steel by electrodeposition. The effects of the CNTs/TiO2 composite powders on the properties of composite coating were investigated with methods of scanning electron microscopy (SEM), X\|ray diffractometry (XRD), hardness testing and electrochemical testing. The results show that the addition of carbon nanotubes/ titanium dioxide composite powders decreases the grain size of Ni crystal effectively, and leads to nickel crystal growing preferentially along (111) crystal face orientation, which transforms nickel electrodepisition strucrures to form resulting improved hardness and corrosion resistance coating; comparing to pure nickel coating, the hardness of composite coating increases by 110%, corrosion potential shifts 23 mV positively and corrosive current intensity decreases by 0.991 microamp per square centimeter.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20130714基金项目：国家自然科学基金（51072140和51272187）；湖北省高等学校优秀中青年团队项目（T201004）；武汉市科技攻关计划（201212211723）作者简介：王升高（1969\|），湖北天门人，教授，博士.研究方向：等离子体技术、功能复合材料、微细加工技术.
更新日期/Last Update: 2013-10-11