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超疏水钛合金表面在人工海水中的摩擦学性能

发布人：上海艾荔艾合金股份有限公司www.shailiai.cn 更新时间：2016-03-04

为提高钛合金在海水中的摩擦性能, 采用激光加工技术分别制备具有网格和点阵微结构的超疏水Ti6Al4V 合金表面. 采用 HSR-2M 高速往复摩擦试验机研究其在人工海水介质中的摩擦学行为, 并与水介质比较.

超疏水钛合金表面在人工海水中的摩擦学性能TRIBOLOGICAL PERFORMANCE OF SUPER HYDROPHOBIC TITANIUM ALLOY SURFACE IN ARTIFICIAL SEAWATER

为提高钛合金在海水中的摩擦性能, 采用激光加工技术分别制备具有网格和点阵微结构的超疏水Ti6Al4V 合金表面. 采用 HSR-2M 高速往复摩擦试验机研究其在人工海水介质中的摩擦学行为, 并与水介质比较. 结果表明, 超疏水Ti6Al4V合金表面的摩擦系数和磨损量(体积)均显著小于Ti6Al4V基体. 海水介质中, 与空白样相比, 点阵和网格表面的摩擦系数分别减小了 17.8%和 11.7%, 磨损量分别减小了 36.8%和57.5%. 超疏水Ti6Al4V合金表面在海水介质中的摩擦系数小于水介质中, 磨损量大于水介质中. 超疏水钛合金表面的制备显著提高了钛合金在海水中的摩擦性能。

The service environment faced by marine equipment and it key friction pair parts are much more

severe than that on land surface. The life cycle and safety of the hydraulic and power transmission system, which directly get in touch with the seawater, depends largely on the tribological behavior of the components in the

seawater. Titanium alloy is an ideal material used for ocean engineering, however due to its poor friction

performance its life cycle may be shortened when working in the environment with friction and wear. In order to improve the tribological performance of titanium alloy in seawater, laser processing was used to build super hydrophobic with grid and dot micro-structure on Ti6Al4V alloy surface. Tribological performance was evaluated by HSR-2M high speed reciprocating friction test machine in artificial seawater, and compared with in water (distilled water). The results show that the friction coefficients and wear losses (volume) of super hydrophobic Ti6Al4V alloy surface are significantly smaller than that of the Ti6Al4V alloy substrate. The friction coefficients of surface with dot and grid reduced by 17.8% and 11.7%, and wear losses (volume) reduced by 36.8% and 57.5% respectively in artificial seawater. The friction coefficient of super hydrophobic Ti6Al4V alloy surface in artificial seawater is smaller than that in water while the wear loss has the opposite phenomena. The tribological performances of titanium alloy in artificial seawater are significantly improved by the build of super hydrophobic Ti6Al4V alloy surface.

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AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.

获取更多我们供应的合金和服务信息，请致电086-021-67660801或发电子邮件kefu@ailiaigroup.com联系我们，您也可以通过微博，微信，领英和推特与我们互动。

For more information on the alloys and services that we supply, call us at 086-021-67660801 or email us at kefu@ailiaigroup.com. You can also get in touch on social media, we are constantly active on Weibo, Weixin, LinkedIn and Twitter.

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