<trans-title xml:lang="en">Effect of alkane chain length on tribological properties of straight chain alkane liquid film</trans-title>

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

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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

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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

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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

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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 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)
模型 C6 C8 C10 C12 C14 C16 C18
作用能 2285 2434 2438 2484 2496 2408 2488

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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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)
模型 C6C8 C6C10 C6C12 C6C14 C6C16 C6C18
作用能 2396 2396 2893 2438 2400 2505

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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

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Paper Information

Received: May. 16, 2019

Accepted: --

Published Online: Sep. 17, 2020

The Author Email: Kui Han (han6409@263.net)

DOI:10.7498/aps.68.20190740

Topics

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)

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)

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)

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)

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)

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)

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)

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)