| 钛合金在海水中的微动磨损特性 |
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| 引用本文： | 丁红燕,戴振东.钛合金在海水中的微动磨损特性[J].稀有金属材料与工程,2007,36(5):778-781. |
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| 作者姓名： | 丁红燕 戴振东 |
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| 作者单位： | 1. 南京航天航空大学,材料仿生与防护研究所,江苏,南京,210016;淮阴工学院,江苏,淮安,223001
2. 南京航天航空大学,材料仿生与防护研究所,江苏,南京,210016 |
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| 基金项目： | 航空基础科学基金;国家重点实验室基金 |
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| 摘 要： | 采用SRV磨损实验机对TC11钛合金在海水环境下的微动磨损特性进行了研究，分析了载荷大小、振幅以及润滑介质等对摩擦系数和磨损量的影响。结果表明，钛合金的摩擦系数随着振幅的增加而越来越稳定，磨损量则随着载荷或振幅的增加而增加：当振幅较小时，微动磨损机制主要为疲劳脱层伴随着磨粒磨损；当振幅较大时，磨损机制则为磨粒磨损：与水介质相比，海水中的摩擦系数明显降低，最低可降到50％，但在海水中的磨损量却总是小于在水中的磨损量，腐蚀磨损呈“负交互”规律。
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| 关 键 词： | 钛合金 腐蚀磨损 微动磨损 海水 摩擦系数 |
| 文章编号： | 1002-185X(2007)05-0778-04 |
| 修稿时间： | 2006-04-16 |
Fretting Wear Characteristics of Titanium Alloy in Seawater |
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| Ding Hongyan,Dai Zhendong.Fretting Wear Characteristics of Titanium Alloy in Seawater[J].Rare Metal Materials and Engineering,2007,36(5):778-781. |
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| Authors: | Ding Hongyan Dai Zhendong |
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| Affiliation: | 1. Institute of Bio-inspired Surface Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Chin;2. Huaiyin Institute of Technology, Huaian 223001, China |
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| Abstract: | The fretting wear characteristics of Titanium alloy TC11 in seawater are studied by a SRV wear machine. The effects and the lubrication media on the friction coefficient and the wear resistance are investigated. Results show that the friction coefficients turn stable with the increase of amplitude, and the volume-losses increase with the increase of the amount and amplitude of load. The wear mechanism is fatigue and peeling with grain abrasion for small amplitudes, and only grain abrasion for big amplitudes. Compared with in pure water, the friction coefficient decreases greatly even to 50% in seawater with a smaller volume-loss, exhibiting a negative interaction between corrosion and wear. |
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| Keywords: | titanium alloy corrosion wear fretting seawater coefficient |
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