Zhao-Hui Zhang, Xiao-Dong Yu, Hai-Peng Li, Kui Han. Effect of alkane chain length on tribological properties of straight chain alkane liquid film [J]. Acta Physica Sinica, 2019, 68(22): 228101-1
- Acta Physica Sinica
- Vol. 68, Issue 22, 228101-1 (2019)
Fig. 1. Liquid alkane C18H38 lubricant film model
液态烷烃C18H38润滑膜模型
Fig. 2. (a) Friction curve of C12H26 liquid film in sliding process with sliding distance; (b) the average friction force and average coefficient of friction (COF) of the seven liquid films
(a) C12H26液体膜在滑动过程中的摩擦力随滑动距离的变化; (b) 7种液体膜的平均摩擦力和平均摩擦系数
Fig. 3. The average friction force and average COF of the six mixed films六种混合分子膜的平均摩擦力和平均摩擦系数
Fig. 4. (a) Layered structure of C12H26 liquid film in sliding process; (b) density distribution along Z direction of four pure liquid films (C6H14, C12H26, C16H34, C18H40).
(a)纯C12H26液体膜在滑动过程中的分层结构; (b)四种纯液体膜沿Z 方向的密度分布
Fig. 5. Distribution of the molecules in the layer formed on the surface of the base: (a) C6C8; (b) C6C12; (c) C6C18.混合液体膜在上基板表面形成的分层内分子分布图 (a) C6C8; (b) C6C12; (c) C6C18
Fig. 6. Distribution of density along Z direction in sliding process of mixed films
混合膜在滑动过程沿着Z 方向密度分布
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Table 1.
Interaction between upper substrate and liquid film (kJ/mol)
纯液体膜中上基板与液体膜间相互作用 (kJ/mol)
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Table 2.
Interaction between upper substrate and mixed liquid film (kJ/mol).
混合液体膜中上基板与液体膜间相互作用(kJ/mol)
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