| Item type |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2022-01-19 |
| タイトル |
|
|
タイトル |
In Situ Observation of Transient Responses in Grease Lubrication by Micro Infrared Spectroscopy |
| 言語 |
|
|
言語 |
eng |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
grease |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
urea |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
thickener |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
film thickness |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
concentration |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
EHL |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
in situ |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
FTIR |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
journal article |
| 著者 |
HOSHI, Yasushi
TAKIWATARI, Koji
HIDETAKA, Nanao
MORI, Shigeyuki
|
| 著者(機関) |
|
|
値 |
Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University |
| 著者(機関) |
|
|
値 |
Department of Chemical Engineering, Ichinoseki National College of Technology |
| 著者(機関) |
|
|
値 |
Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University |
| 著者(機関) |
|
|
値 |
Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University |
| 登録日 |
|
|
日付 |
2022-01-19 |
| 書誌情報 |
Tribology Online
巻 15,
号 4,
p. 201-208,
発行日 2020-07-15
|
| ISSN |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
18812198 |
| ISSN |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
1881218X |
| 抄録 |
|
|
内容記述タイプ |
Abstract |
|
内容記述 |
In situ observation of lubricant films formed with greases was carried out at EHL conditions with a micro-FTIR. Three urea compounds were used as a thickener and 12 mass percent of the thickener was added in PAO, respectively. From the IR spectra, CH and NH stretching vibration peaks were observed from urea greases. The film thickness and the concentration of thickener were estimated from the absorbance of CH and the ratio of absorbance of NH and CH. Two-dimensional distribution of the thickness and the concentration around Hertzian contact was obtained at the resolution of 50 μm. The thickener of urea grease was concentrated on ball and disk surfaces. It was found that the concentrate on thickener at Hertzian contact region was dependent on thickener itself. Time dependence of the thickness and the concentration at Hertzian contact were obtained at the resolution of 45 s under shearing conditions. The film thickness of urea greases at Hertzian contact was greatly decreased by shearing and the film thickness and the concentration were recovered when the condition was changed to rolling. This behavior was supposed with detachment and growth of the adhered film of the thickener. Lubricating characteristics of urea greases were discussed based on the concentration of thickener at Hertzian contact. |
| 抄録（URL） |
|
|
表示名 |
In Situ Observation of Transient Responses in Grease Lubrication by Micro Infrared Spectroscopy |
|
URL |
https://www.jstage.jst.go.jp/article/trol/15/4/15_201/_article |
| 出版者 |
|
|
出版者 |
Japanese Society of Tribologists |
| 権利 |
|
|
権利情報 |
© 2020 Japanese Society of Tribologists |
| 権利URI |
|
|
権利情報 |
https://creativecommons.org/licenses/by-nc-nd/4.0/ |
| DOI |
|
|
関連タイプ |
isIdenticalTo |
|
|
識別子タイプ |
DOI |
|
|
関連識別子 |
info:doi/10.2474/trol.15.201 |
| 著者版フラグ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
trio-v15n4p201-208 (3.1 MB)
