[1]王莹,夏丽,丁建宁,等.水润滑对铝基材料摩擦学行为的影响研究[J].常州大学学报(自然科学版),2015,(04):7-12.[doi:10.3969/j.issn.2095-0411.2015.04.002]
　WANG Ying,XIA Li,DING Jianning,et al.Effect of Water Lubrication on the Tribological Behavior of Aluminum Based Materials[J].Journal of Changzhou University(Natural Science Edition),2015,(04):7-12.[doi:10.3969/j.issn.2095-0411.2015.04.002]
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水润滑对铝基材料摩擦学行为的影响研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2015年04期
页码:
7-12
栏目:
材料科学与工程
出版日期:
2015-11-15

文章信息/Info

Title:
Effect of Water Lubrication on the Tribological Behavior of Aluminum Based Materials
作者:
王莹1; 2; 夏丽1; 丁建宁1; 2; 袁宁一1; 2
1. 常州大学 江苏省光伏科学与技术国家重点实验室培育建设点,江苏 常州 213164; 2. 常州大学 江苏省光伏科学与工程协同创新中心, 江苏 常州 213164
Author(s):
WANG Ying1; 2; XIA Li1; DING Jianning1; 2; YUAN Ningyi1; 2
1. Jiangsu Province Cultivation Base for State Key Laboratory of Photovoltaic Science and Technology,Changzhou University,Changzhou 213164,China; 2. Jiangsu Collaborative Innovation Center for Photovoltaic Science and Engineering,Changzhou University,Changzhou 213164,China
关键词:
铝基材料;  电抛光;  水润滑;  摩擦学行为
Keywords:
aluminum based materials;  electropolish;  water lubrication;  tribological behavior
分类号:
TH 117.1; TG 174.41
DOI:
10.3969/j.issn.2095-0411.2015.04.002
文献标志码:
A
摘要:
采用电化学方法,制备了4种铝基表面(未抛光铝(UNP-Al)、抛光铝(P-Al)、未抛光多孔阳极氧化铝(UNP-PAA)和抛光多孔阳极氧化铝(P-PAA))。利用原子力显微镜观察了不同铝基表面的表面形貌,采用接触角测定仪考察了铝基表面的润湿性,并通过UMT-2型球-盘式往复摩擦磨损试验机系统研究了表面处理和水润滑对不同铝基表面的摩擦学行为的影响。结果表明:在边界润滑条件下,所制备4种样品的摩擦系数向稳态转变的时间被推迟,且其摩擦系数在最开始阶段最小,但混合摩擦情况下的摩擦系数低于干摩擦条件。混合摩擦情况下,PAA的摩擦系数高于Al,但是PAA的表面磨痕相对较浅较细。这种现象表明PAA的表面织构可以存储润滑剂(水)和界面的磨屑,从而产生较好的抗磨损效果。
Abstract:
Four kinds of aluminum-based surfaces(unpolished aluminium(UNP-Al), polished aluminium(P-Al), unpolished porous anodic aluminum oxide(UNP-PAA)and polished porous anodic alumina(P-PAA))were prepared using electrochemical method. The surface morphologies of the as-prepared samples were observed on an atomic force microscope. The wettabilities of the surfaces of the aluminum-based samples were examined by a contact angle tester. The effects of surface treatment and water lubrication on the tribological behavior of the so-obtained samples were systematically studied on a UMT-2MT tribometer. The results revealed that the transition time of friction coefficients of the four as-prepared samples to steady state is delayed under boundary lubrication and the friction coefficients were lowest at the first stage. Besides, the friction coefficients of the four as-prepared samples were lower under the mixed friction than that under the dry friction. Moreover, the friction coefficient of PAA films are higher than that of Al under the mixed friction conditions. However, the wear scars of PAA films are relatively shallow and comparatively fine. The observed phenomena implied that the specic textures on the surfaces of PAA films can store lubricant(water)and trap wear debris from the interface, resulting in better anti-wear properties.

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备注/Memo

备注/Memo:
收稿日期:2014-11-23。基金项目:国家自然科学基金项目(51102028,51335002)。作者简介:王莹(1982—),女,河南南阳人,博士,助理研究员,主要从事表面界面研究。通讯联系人:丁建宁(1966—),E-mail:dingjn@cczu.edu.cn
更新日期/Last Update: 2015-10-20