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Facile fabrication of hierarchical carbon fiber–MoS2 ultrathin nanosheets and its tribological properties

机译：分层碳纤维-MOS2超薄纳米片及其摩擦学特性的舒适性

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A novel lubricating material of hierarchical carbon fiber–MoS _(2) ultrathin nanosheets (CF–MoS _(2) ) was fabricated by one-step hydrothermal solution reaction method. The corresponding phase composition, morphology and formation mechanism were systematically determined by XRD, FESEM and TEM. And the effects of CF–MoS _(2) on the tribological properties of epoxy (EP) were investigated comparatively using universal micro-tribotester-2 (UMT-2). Results showed that MoS _(2) ultrathin nanosheets with the thickness of 5–8 nm and size of 300–500 nm were synthesized successfully. And several MoS _(2) nanosheets assembled together in flower-like shape and were attached onto CF surface uniformly. Furthermore, the XRD pattern analysis of as-prepared CF–MoS _(2) confirmed that MoS _(2) was in the form of hexagonal phase. Besides, the shore hardness of EP matrix was improved obviously by the incorporation of CF–MoS _(2) , suggesting the load-carrying capacity of EP was enhanced. More importantly, EP/CF–MoS _(2) composite had much better tribological properties than EP and other EP-based composites (EP/CF and EP/MoS _(2) ) because of the reinforcement effect of CF and lubricating effect of MoS _(2) . In particular, EP/CF–MoS _(2) composite still possessed good friction-reducing and anti-wear properties under heavy loads. Namely, hierarchical CF–MoS _(2) was a promising additive to be used in tribology field.
机译：通过一步水热溶液反应方法制备了一种分层碳纤维-MO_（2）超薄纳米片（CF-MOS _（2））的新型润滑材料。通过XRD，FESEM和TEM系统地确定相应的相组合物，形态和形成机制。 CF-MOS _（2）对环氧（EP）的摩擦学性质的影响，相对使用通用微骨滴注试剂-2（UMT-2）。结果表明，成功地合成了厚度为5-8nm厚度和300-500nm厚度的超薄纳米片。并且几个MOS _（2）纳米片以花状形状组装在一起，并均匀地连接到CF表面上。此外，制备的CF-MOS _（2）的XRD图案分析证实MOS _（2）是六边形相的形式。此外，通过掺入CF-MOS _（2），显而易见的是EP矩阵的肖氏硬度，提高了EP的负载能力增强了。更重要的是，由于CF和润滑效应的增强效应，EP / CF-MOS _（2）复合材料具有比EP和其他基于EP / CF和EP / MOS _（2）的更好的摩擦学性质。 mos _（2）。特别地，EP / CF-MOS _（2）复合材料仍然具有重载下的良好的摩擦降低和抗磨损性能。即，等级CF-MOS _（2）是在摩擦学领域中使用的承诺添加剂。

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