| 有机多硫化物润滑添加剂的制备及其摩擦学性能 |
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| 引用本文： | 宋敏,王建华,沈金平. 有机多硫化物润滑添加剂的制备及其摩擦学性能[J]. 润滑与密封, 2012, 37(7): 64-67,70 |
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| 作者姓名： | 宋敏 王建华 沈金平 |
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| 作者单位： | 1. 海军后勤技术装备研究所 北京 100072
2. 中国船舶重工集团公司第七〇四研究所 上海200031 |
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| 摘 要： | 合成一种有机多硫化物(OP),用红外光谱仪对其结构进行分析,采用四球摩擦磨损试验机及SRV试验机考察其在基础油PAO10中的摩擦学性能。结果表明:添加剂OP具有优良的极压性能,并且在微动摩擦磨损试验机中表现出良好的抗磨减摩作用。用X射线光电子能谱仪对试球表面分析可知,有机多硫化物与金属表面发生化学反应,生成了含硫边界润滑膜,从而起到极压抗磨减摩的作用。
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| 关 键 词： | 多硫化物 极压性能 摩擦化学 添加剂 |
Synthesis and Tribological Behavior of Organic Polysulfide as Lubricating Additive |
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| Song Min , Wang Jianhua , Shen Jinping. Synthesis and Tribological Behavior of Organic Polysulfide as Lubricating Additive[J]. Lubrication Engineering, 2012, 37(7): 64-67,70 |
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| Authors: | Song Min Wang Jianhua Shen Jinping |
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| Affiliation: | 1.Navy Institute of Logistical Technology & Equipment,Beijing 100072,China; 2.Shanghai Marine Equipment Research Institute,Shanghai 200031,China) |
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| Abstract: | A new type of organic polysulfide was synthesis and the structure was analyzed through infrared spectrum and elemental analysis.The tribological properties of the additive in base oil PAO10 were evaluated with a four-ball machine and a SRV machine.The results indicate that the additive possesses good extreme pressure property in PAO10 in four-ball tests,and can increase the antiwear and friction reducing abilities of PAO10 in SRV tests.The chemical features of the worn steel surface were examined by means of X-ray photoelectron spectroscopy(XPS).The results show that organic polysulfide reacts with steel surfaces during the rubbing process and generates a boundary lubricating film containing S,which accounts for the better tribological behaviors of oil. |
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| Keywords: | organic polysulfide extreme pressure property tribochemistry additive |
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