硫化菜籽油润滑添加剂对钢-镁摩擦副摩擦学性能的影响

石油炼制与化工

硫化菜籽油润滑添加剂对钢-镁摩擦副摩擦学性能的影响

方建华¹,潘复生²,陈波水³,吴江³

1. 重庆大学材料科学与工程学院;后勤工程学院油料应用与管理工程系
2. 重庆大学材料科学与工程学院
3. 后勤工程学院油料应用与管理工程系

收稿日期:2011-01-21 修回日期:2011-04-13 出版日期:2011-08-12 发布日期:2011-08-12
通讯作者: 方建华

EFFECT OF S-CONTAINING MODIFIED RAPESEED OIL LUBE ADDITIVE ON THE FRICTION AND WEAR BEHAVIOR OF STEEL-MAGNESIUM ALLOY FRICTION PAIR

FANG Jian-Hua,fusheng pan,jiang wu

Received:2011-01-21 Revised:2011-04-13 Online:2011-08-12 Published:2011-08-12
Contact: FANG Jian-Hua

摘要/Abstract

摘要： 在菜籽油（RO）分子中引入硫，合成了一种新型可生物降解润滑添加剂（SRO），通过SRV摩擦磨损试验机考察了以菜籽油为基础油，以SRO为添加剂时对GCr15钢- AZ91D镁合金摩擦副摩擦学性能的影响，用扫描电子显微镜观察分析镁块磨斑表面的形貌，同时通过对镁合金磨痕进行X射线光电子能谱分析。结果表明：以菜籽油为基础油时，硫化菜籽油润滑添加剂对钢-镁摩擦副具有优良的抗磨减摩性能；其润滑作用机理是由于长链菜籽油分子的载体作用、硫的高反应活性以及二者的协同作用与摩擦金属表面形成了一层高强度的吸附膜和（或）摩擦化学反应膜。

关键词: 摩擦化学, 可生物降解润滑添加剂, 硫化改性菜籽油, 润滑机理

Abstract: A new type of biodegradable lube additive, sulphurized rapeseed oil (SRO) was prepared and its chemical structure was characterized by infrared spectrum. The friction and wear behavior of AZ91D magnesium alloy against GCr15 bearing steel under the lubrication of rapeseed oil formulated with SRO additive were evaluated on a SRV tribological tester. The morphological character and tribo-chemical species of the worn surfaces were analyzed by means of SEM and XPS. The results indicated that the friction and wear of the magnesium alloy-steel friction pair could be effectively reduced by using rapeseed oil lubricant with SRO additive. Its lubricating mechanism could be inferred that a high strength adsorption film and/or a tribo-chemical reaction film were formed on the rubbing surfaces due to the carrier effect of rapeseed oil molecules having long chain, high reaction activity of sulfur and their synergism.

Key words: tribo-chemistry, biodegradable lube additive, sulphurized rapeseed oil, lubricating mechanism

方建华1 ,潘复生2 ,陈波水3 ,吴江3 . 硫化菜籽油润滑添加剂对钢-镁摩擦副摩擦学性能的影响[J]. 石油炼制与化工, doi: .

FANG Jian-Hua,fusheng pan,jiang wu. EFFECT OF S-CONTAINING MODIFIED RAPESEED OIL LUBE ADDITIVE ON THE FRICTION AND WEAR BEHAVIOR OF STEEL-MAGNESIUM ALLOY FRICTION PAIR[J]. Petroleum Processing and Petrochemicals, doi: .

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