ICCAS OpenIR
Humidity and temperature effect on frictional properties of mica and alkylsilane monolayer self-assembled on mica
Tian, F; Xiao, XD; Loy, MMT; Wang, C; Bai, CL
1999-01-05
Source PublicationLANGMUIR
ISSN0743-7463
Volume15Issue:1Pages:244-249
AbstractThe effects of humidity and temperature on tribological properties of mica and of the octadecyltriethoxysilane (OTE) monolayer self-assembled on mica are studied by friction force microscopy under controlled environments. As the humidity increases, the friction force is observed to decrease for mica and to increase for OTE at low loads at room temperature. Despite their hydrophobicity, water can penetrate into OTE films to alter their molecular chain ordering and to detach the OTE molecules from the mica substrate. The occurrence of OTE film damage is manifested as a crossover point in the friction force curves. Heating the samples in the temperature range of 20-80 degrees C induces a negligible effect for both mica and OTE in low humidity. However, in high humidity, a distinctive change in friction was found. Most of the heating effect can be understood by a "local humidity" concept although various discrepancies still exist.
Indexed BySCI
Language英语
WOS IDWOS:000077982800037
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:64[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75532
Collection中国科学院化学研究所
Corresponding AuthorXiao, XD
Affiliation1.Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Tian, F,Xiao, XD,Loy, MMT,et al. Humidity and temperature effect on frictional properties of mica and alkylsilane monolayer self-assembled on mica[J]. LANGMUIR,1999,15(1):244-249.
APA Tian, F,Xiao, XD,Loy, MMT,Wang, C,&Bai, CL.(1999).Humidity and temperature effect on frictional properties of mica and alkylsilane monolayer self-assembled on mica.LANGMUIR,15(1),244-249.
MLA Tian, F,et al."Humidity and temperature effect on frictional properties of mica and alkylsilane monolayer self-assembled on mica".LANGMUIR 15.1(1999):244-249.
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