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    池雯, 王欢, 司琴, 李长生. 球磨-固相烧结合成WS2六方纳米片及其摩擦学性能[J]. 机械工程材料, 2014, 38(12): 87-91.
    引用本文: 池雯, 王欢, 司琴, 李长生. 球磨-固相烧结合成WS2六方纳米片及其摩擦学性能[J]. 机械工程材料, 2014, 38(12): 87-91.
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    CHI Wen, WANG Huan, SI Qin, LI Chang-sheng. Synthesis of Hexagonal WS2 Nanosheets by Ball-Milling and Solid State Reaction Process and Their Tribological Properties[J]. Materials and Mechanical Engineering, 2014, 38(12): 87-91.
    Citation: CHI Wen, WANG Huan, SI Qin, LI Chang-sheng. Synthesis of Hexagonal WS2 Nanosheets by Ball-Milling and Solid State Reaction Process and Their Tribological Properties[J]. Materials and Mechanical Engineering, 2014, 38(12): 87-91.
    shu

    球磨-固相烧结合成WS2六方纳米片及其摩擦学性能

    Synthesis of Hexagonal WS2 Nanosheets by Ball-Milling and Solid State Reaction Process and Their Tribological Properties

      摘要
    • 摘要: 以硫粉和钨粉为原料, 通过球磨-固相烧结的方法合成WS2六方纳米片, 采用X 射线衍射仪(XRD)、扫描电镜(SEM)和透射电镜(TEM)对产物的物相、形貌和微观结构进行了表征, 根据试验结果提出了其可能的生长机理, 并通过摩擦试验对其摩擦磨损性能进行评价。结果表明: 制备WS2六方纳米片的最佳工艺条件为700 ℃保温1 h, 在该条件下合成的 WS2纳米片厚度均匀, 约为100 nm, 直径在1～2 μm;在基础油中添加了WS2六方纳米片后, 摩擦因数降低, 有效改善了基础油的摩擦学性能。

       

      Abstract: Hexagonal WS2 nanosheets were successfully synthesized by ball-milling and solid-state reaction using W and S powders as raw materials. The phase, morphology and structure of products were investigated by X-ray diffractometry (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Then a possible formation mechanism of the hexagonal WS2 nanosheets was preliminarily proposed on the basis of the experimental results. The tribological properties of hexagonal WS2 nanosheets as a lubrication additive in paraffin base oil were investigated by friction testing. The results show that the best hexagonal WS2 nanosheets were prepared at condition of 700 ℃×1 h, which had uniform thickness of 100 nm with diameter around 1-2 μm. The friction coefficient declined when the hexagonal WS2 nanosheets were added into the base oil, so the hexagonal WS2 nanosheets can improve the tribological property of the base oil.

       

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