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Comparative Study on the Tribological Performances of Barium Perrhenate, Molybdenum Disulfide, and Calcium Carbonate as Lubricant Additives in a Wide Temperature Range
Wang, Junhai; Liu, Yang; Duan, Deli; Li, Shu; shuli@imr.ac.cn
2016
Source PublicationTRIBOLOGY TRANSACTIONS
ISSN1040-2004
Volume59Issue:1Pages:139-148
AbstractBarium perrhenate [Ba(ReO4)(2)], a compound used as an oil additive, was synthesized via the aqua-solution method. Its tribological properties were examined using the four-ball test and ball-on-disc tribotester in a wide temperature range and compared with those of oil that contained the additive molybdenum disulfide (MoS2) and calcium carbonate (CaCO3) compound. X-ray diffraction analysis, scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and differential thermal analysis/thermogravimetry were performed to determine the possible mechanism of the antifriction behavior of the lubricants. Results of the four-ball test showed that all of the additives can improve the extreme pressure property of the base oil and decrease the wear scar diameters of low-carbon steel balls. The results of the ball-on-disc test suggested that the MoS2 additive exhibited better lubrication property than the Ba(ReO4)(2) and CaCO3 additives at below 450 degrees C. The CaCO3 additive displayed moderate performance in friction reducing in the high-temperature period. The Ba(ReO4)(2) additive exhibited preferable comprehensive antifriction performance in a wide temperature range because of its intrinsic shear-susceptible property and crystalline change with varied temperatures, which could form a protective layer with some native oxides of the disc sample and thus effectively prevented direct contact between rubbing parts. The detailed friction-reducing mechanism of the three additives is also discussed.
description.department[wang, junhai ; liu, yang ; duan, deli ; li, shu] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordBarium Perrhenate Molybdenum Disulfide Calcium Carbonate Oil Additive Wide Temperature Range Antifriction
Funding OrganizationNational Natural Science Foundation of China [51175489]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74674
Collection中国科学院金属研究所
Corresponding Authorshuli@imr.ac.cn
Recommended Citation
GB/T 7714
Wang, Junhai,Liu, Yang,Duan, Deli,et al. Comparative Study on the Tribological Performances of Barium Perrhenate, Molybdenum Disulfide, and Calcium Carbonate as Lubricant Additives in a Wide Temperature Range[J]. TRIBOLOGY TRANSACTIONS,2016,59(1):139-148.
APA Wang, Junhai,Liu, Yang,Duan, Deli,Li, Shu,&shuli@imr.ac.cn.(2016).Comparative Study on the Tribological Performances of Barium Perrhenate, Molybdenum Disulfide, and Calcium Carbonate as Lubricant Additives in a Wide Temperature Range.TRIBOLOGY TRANSACTIONS,59(1),139-148.
MLA Wang, Junhai,et al."Comparative Study on the Tribological Performances of Barium Perrhenate, Molybdenum Disulfide, and Calcium Carbonate as Lubricant Additives in a Wide Temperature Range".TRIBOLOGY TRANSACTIONS 59.1(2016):139-148.
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