Thermal-rheological properties and variation mechanisms of lithium lubricating grease

doi:10.16085/j.issn.1000-6613.2017-1076

Chemical Industry and Engineering Progress ›› 2018, Vol. 37 ›› Issue (04): 1509-1515.DOI: 10.16085/j.issn.1000-6613.2017-1076

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Thermal-rheological properties and variation mechanisms of lithium lubricating grease

PAN Jiabao¹, CHENG Yanhai², QIAN Ming¹, ZHOU Bin¹

1 School of Mechanical and Automotive Engineering, Anhui Polytechnic University, Wuhu 241000, Anhui, China;
2 School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

Received:2017-06-05 Revised:2017-12-06 Online:2018-04-05 Published:2018-04-05

锂基润滑脂热流变特性及其变化机理

潘家保¹, 程延海², 钱明¹, 周彬¹

1 安徽工程大学机械与汽车工程学院, 安徽芜湖 241000;
2 中国矿业大学机电工程学院, 江苏徐州 221116

通讯作者: 潘家保(1990-),男,博士,讲师,主要从事润滑脂热流变特性研究。
作者简介:潘家保(1990-),男,博士,讲师,主要从事润滑脂热流变特性研究。E-mail:panjiabao@ahpu.edu.cn。
基金资助:
国家自然科学基金（51676205）、国家水泵及系统工程技术研究中心开放基金（NRCP201602）、安徽高校自然科学研究项目（KJ2017A110）及安徽工程大学引进人才科研启动基金（2016YQQ010）项目。

Abstract

Abstract: The flow and viscoelastic properties of lithium lubricating grease were investigated by using rotational rheometer under different temperatures. The effect of temperature on the rheological properties was studied and the wall slip with the variation of thermal-rheological properties was discussed as well. Furthermore,the relationship between the thermal-rheological properties and the fibrous structure was investigated based on the microstructure of lithium lubricating grease. Finally,the structural evolution of lithium lubricating grease colloidal dispersion system was analyzed,and the variation mechanism of both the colloidal dispersion system and the wall slip under thermal-rheological condition was discussed.

Key words: lithium lubricating grease, rheology, thermodynamics process, wall slip, variation mechanisms

摘要： 采用旋转流变仪探究了变温条件下的锂基润滑脂流动特性和黏弹特性，考察了温度对锂基润滑脂流变特性变化的影响规律，并对热流变过程中壁面滑移效应变化规律进行了讨论。进一步结合锂基润滑脂的微观形貌，探究了锂基润滑脂皂纤维结构与热流变特性变化的关联性。最后基于热流变和皂纤维结构研究结果，分析了锂基润滑脂胶体分散体系结构演化过程，给出了胶体分散体系及壁面滑移效应在热流变条件下的变化机理。

关键词: 锂基润滑脂, 流变学, 热力学过程, 壁面滑移, 变化机理

CLC Number:

TH117.2

PAN Jiabao, CHENG Yanhai, QIAN Ming, ZHOU Bin. Thermal-rheological properties and variation mechanisms of lithium lubricating grease[J]. Chemical Industry and Engineering Progress, 2018, 37(04): 1509-1515.

潘家保, 程延海, 钱明, 周彬. 锂基润滑脂热流变特性及其变化机理[J]. 化工进展, 2018, 37(04): 1509-1515.

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Thermal-rheological properties and variation mechanisms of lithium lubricating grease

锂基润滑脂热流变特性及其变化机理

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