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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.
In order to improve the friction performance of titanium alloy in seawater, laser processing technology was used to prepare superhydrophobic Ti6Al4V alloy surface with grid and lattice micro-structure respectively.The friction in artificial seawater was studied by HSR-2M high speed reciprocating friction tester The results show that the friction coefficient and the wear volume (volume) of the superhydrophobic Ti6Al4V alloy surface are significantly smaller than that of the Ti6Al4V matrix.In the seawater medium, compared with the blank sample, the friction between the lattice and the grid surface The coefficients decrease by 17.8% and 11.7%, respectively, and the wear loss decreases by 36.8% and 57.5% respectively.The friction coefficient of superhydrophobic Ti6Al4V alloy in seawater medium is smaller than that in aqueous medium, Preparation of the alloy surface significantly improves the tribological properties of titanium alloy in seawater.