The tribological chemistry of polysulfides in mineral oil and synthetic diester
Li, J; Ma, HB; Ren, TH; Zhao, YD; Zheng, L; Ma, CY; Han, Y; Zhao YD(赵屹东); Zheng L(郑雷); Ma CY(马陈燕); Han Y(韩勇)
刊名APPLIED SURFACE SCIENCE
2008
卷号254期号:22页码:7232-7236
关键词polysulfide mineral oil synthetic diester XANES thiyl radical
学科分类Chemistry; Materials Science; Physics
DOI10.1016/j.apsusc.2008.05.298
通讯作者[Li, Jing ; Ma, Haibing ; Ren, Tianhui] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China ; [Zhao, Yidong ; Zheng, Lei ; Ma, Chenyan ; Han, Yong] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
英文摘要Two organic polysulfides, dipropyl trisulfide (DPTS) and 3,5-diisopropyl-1,2,4-trithiolane (DIPTT) in mineral oil (MO) and synthetic diester (DE) were investigated on thermal films and tribofilms by using Xray absorption near edge structure (XANES) spectroscopy. The results of surface analysis reveal that the thermal films formed from MO for two additives are consist of sulfate and sulfite, while the distinct composition of the films from DE implies the different sensitivity to oxygen between two compounds. As to the tribofilms, "hydrosulfite-like compound'' is differentiated from sulfite and FeS(x) (1 < x < 2) is detected in low energy region from DPTS/MO, as well as a lower concentration of DPTS/DE. At a high concentration in DE, the surface of sample for DPTS is full of iron sulfide. With regard to DIPTT, iron sulfite is the exclusive oxidized form of sulfur instead of "hydrosulfite-like compound'' in the tribofilms, which is an evidence suggesting a mechanism involving a role played by a thiyl radical. (C) 2008 Elsevier B.V. All rights reserved.
类目[WOS]Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Materials Science ; Physics
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语种英语
WOS记录号WOS:000258998700020
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被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240108
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
中国科学院高能物理研究所_中国散裂中子源
作者单位中国科学院高能物理研究所
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Li, J,Ma, HB,Ren, TH,et al. The tribological chemistry of polysulfides in mineral oil and synthetic diester[J]. APPLIED SURFACE SCIENCE,2008,254(22):7232-7236.
APA Li, J.,Ma, HB.,Ren, TH.,Zhao, YD.,Zheng, L.,...&韩勇.(2008).The tribological chemistry of polysulfides in mineral oil and synthetic diester.APPLIED SURFACE SCIENCE,254(22),7232-7236.
MLA Li, J,et al."The tribological chemistry of polysulfides in mineral oil and synthetic diester".APPLIED SURFACE SCIENCE 254.22(2008):7232-7236.
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