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学科主题: 口腔医学
题名:
Improvement of orthodontic friction by coating archwire with carbon nitride film
作者: Wei, Songbo1; Shao, Tianmin1; Ding, Peng2,3
关键词: Friction ; CNx film ; Ion beam assisted deposition ; Orthodontic archwire
刊名: APPLIED SURFACE SCIENCE
发表日期: 2011-10-01
DOI: 10.1016/j.apsusc.2011.06.055
卷: 257, 期:24, 页:10333-10337
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]: Chemistry ; Materials Science ; Physics
关键词[WOS]: CNX FILMS ; STAINLESS-STEEL ; WEAR PROPERTY ; THIN-FILMS ; WATER ; MECHANISMS ; CHARACTER ; NITROGEN ; TESTS ; BALLS
英文摘要:

In order to reduce frictional resistance between archwire and bracket during orthodontic tooth movement, carbon nitride (CNx) thin films were deposited on the surface of archwires with ion beam assisted deposition (IBAD). The energy-dispersive X-ray spectrometer (EDS) analysis showed that the CNx film was successfully deposited on the surface of the orthodontic wires. X-ray photoelectron spectroscopy (XPS) analysis suggested that the deposited CNx film was sp(2) carbon dominated structures, and diversiform bonds (N-C, N C, et al.) coexisted in the film. The friction tests indicated that the CNx film significantly reduced the wire-bracket friction both in ambient air and in artificial saliva. The sp(2)C rich structure of the CNx film as well as its protection function for the archwire was responsible for the low friction of the wire-bracket sliding system. (C) 2011 Elsevier B.V. All rights reserved.

语种: 英语
所属项目编号: 30872916 ; 50730007
项目资助者: National Natural Science Foundation of China
WOS记录号: WOS:000295540800004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/50399
Appears in Collections:北京大学口腔医学院_牙周科_期刊论文

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作者单位: 1.Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China
2.Peking Univ, Dept Orthodont, Sch Stomatol, Beijing 100081, Peoples R China
3.Peking Univ, Dept Orthodont, Hosp Stomatol, Beijing 100081, Peoples R China

Recommended Citation:
Wei, Songbo,Shao, Tianmin,Ding, Peng. Improvement of orthodontic friction by coating archwire with carbon nitride film[J]. APPLIED SURFACE SCIENCE,2011,257(24):10333-10337.
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