Page 65 - 摩擦学学报2025年第4期
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第 4 期              于涵, 等: 基于大豆基础油的聚多巴胺改性黑磷纳米添加剂的摩擦学性能研究                                      553


                0.25                                                 1.2                            0.20
                     (a)                 Pure oil                       (b)      Wear track width
                                         BP                          1.0         Average friction coefficient   0.15
                                         PDA
                0.20
                                         BP-PDA
                Friction coefficient  0.15                          Wear track width/mm  0.8        0.10 Average friction coefficient
                                                                     0.6
                                                                     0.4
                0.10
                                                                     0.2                            0.05
                0.05                                                 0.0                            0.00
                   0    5    10  15   20   25  30                       Pure oil  BP   PDA   BP/PDA
                               Time/min                                            Samples
                  1.2                             0.20               1.0                             0.12
                     (c)       Wear track width                         (d)   Wear track width
                  1.0          Average friction coefficient   0.16   0.8      Average friction coefficient   0.10
                 Wear track width/mm  0.6         0.12 Average friction coefficient  Wear track width/mm  0.6  0.08 Average friction coefficient
                  0.8


                                                  0.08
                                                                     0.4
                  0.4
                                                                                                     0.06
                  0.2
                                                                     0.0
                                                  0.00
                  0.0                             0.04               0.2                             0.04
                     0.0  0.04  0.08  0.12  0.16  0.20  0.24               5      10     15     20
                           Mass fraction of BP-PDA                                  Load/N
             Fig. 4    (a) Friction coefficient curves of oil samples with different additives; (b) Abrasion width and average friction coefficient of
             lubricant samples with different additives; (c) Abrasion width and average friction coefficient of BP-PDA at different concentrations;
                 (d) Abrasion width and average friction coefficient of BP-PDA with a mass fraction of 0.16% BP-PDA at different loads
             图 4    (a)不同添加剂油样的典型摩擦系数曲线;(b)不同添加剂润滑油样的磨痕宽度和平均摩擦系数;(c) BP-PDA在不同浓度
                      下的磨痕宽度和平均摩擦系数;(d)不同载荷下质量分数为0.16% BP-PDA的磨痕宽度和平均摩擦系数


                (a)                            (b)                           (c)










                                       500 μm                        500 μm                         500 μm













                                     500 μm                        500 μm                         500 μm


              Fig. 5    SEM micrographs of the wear morphology of the disc and the upper ball: (a) soybean oil + 0.16% PDA; (b) soybean oil +
                                            0.16% BP; (c) soybean oil + 0.16% BP-PDA
                图 5    底盘和对偶球的磨损形貌的SEM照片:(a)大豆油+0.16% PDA;(b)大豆油+0.16% BP;(c)大豆油+0.16% BP-PDA

            滑油样摩擦试验后的EDS谱图中可以观察到4种元                            擦膜成分主要有C、O和少量的N. 由图6(b)可知,BP润
            素,其中Fe元素是来自基底的对偶球,摩擦界面的摩                           滑油样,摩擦薄膜的元素构成主要有C、O和P组成,黑
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