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浏览/检索结果: 共9条,第1-9条 帮助

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Coating SiC on Zircaloy-4 by magnetron sputtering at room temperature 期刊论文  OAI收割
JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 卷号: 730, 页码: 81, 87
作者:  
Bao, Weichao;  Xue, Jiaxiang;  Liu, Ji-Xuan;  Wang, Xingang;  Gu, Yifeng
  |  收藏  |  浏览/下载:51/0  |  提交时间:2018/12/28
Tribological properties of Mos2 thin coatings under liquid lubricating (EI CONFERENCE) 会议论文  OAI收割
2nd International Conference on Innovation Manufacturing and Engineering Management, IMEM 2012, December 14, 2012 - December 16, 2012, Chongqing, China
Bai Y.; Cao P.
收藏  |  浏览/下载:33/0  |  提交时间:2013/03/25
The objective of this study is to investigate the effect of solid and liquid lubrication on friction and wear performance of selected solid lubricating coatings  comparative experiments have been carried out on magnetron sputtered MoS2 coatings against Si3N4 ball using a ball-on-disk tribo-tester under the conditions of room temperature and different lubrication. Surface morphology of coatings were investigated by atom force microscope (AFM)  and friction coefficient (COF) and wear rate of solid films were also be analyzed. It was shown that the friction is greatly reduced when the solid film is lubricated with oil and grease simultaneously in comparison with single-lubricant lubrication at the start-up or under boundary lubrication conditions. Liquid lubrication causes a dramatic decrease of the wear-ability of the MoS2 coatings. The effect of oil lubrication to the deterioration of wear resistance of MoS2 film was even worse than lubrication grease. (2013) Trans Tech Publications  Switzerland.  
ZnO films growth at different temperature on the substrate of Corning glass by MOCVD (EI CONFERENCE) 会议论文  OAI收割
2009 International Symposium on Liquid Crystal Science and Technology, August 2, 2009 - August 5, 2009, Kunming, China
作者:  
Zhao J.;  Gao X.;  Wang C.;  Tang W.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
Growth of ZnO films under different oxygen partial pressures by metal organic chemical vapour deposition (EI CONFERENCE) 会议论文  OAI收割
2009 International Symposium on Liquid Crystal Science and Technology, August 2, 2009 - August 5, 2009, Kunming, China
作者:  
Gao X.;  Zhao J.;  Tang W.;  Wang C.
收藏  |  浏览/下载:23/0  |  提交时间:2013/03/25
The synthesis and field emission property of carbon nanotubes on carbon fibers substrate (EI CONFERENCE) 会议论文  OAI收割
Technical Digest of the 20th International Vacuum Nanoelectronics Conference, IVNC 07, July 8, 2008 - July 12, 2008, Chicago, IL, United states
Leyong Z.; Weibiao W.; Jingqiu L.; Yuxue X.; Da L.; Song C.; Haifeng Z.
收藏  |  浏览/下载:30/0  |  提交时间:2013/03/25
Using ferrocene as catalyst precursor  C2H2 as carbon source  carbon nanotubes (CNTs) with uniform density were synthesized on carbon fibers substrate by floating catalyst method. The morphology and microstructure were characterized by field emission scanning electron microscope (FESEM) and high-resolution transmission electron microscopy (HRTEM). The observation showed that the length of CNTs is about 2 m  the average space between adjacent CNTs is about 300 nm and the diameter of CNT is about 45 nm. The less dense "short and stubby" aligned CNTs films should have good electron field emission characteristics. The results of field emission showed that the emission current of CNTs/carbon fibers was 5 A at the field of 2.5 V/m  and the emission current can be 280 A with a field of 7 V/m (the specimen area is 0.25 cm2 and the distance between cathode and anode is 200 m). The calculation based on the F-N plot indicated that the field enhancement factor of CNTs tip is 499122. Using the conductivity and chemical stability of carbon fibers and the uniform and sparse density distribution of CNTs on carbon fibers substrate  the tip predominance of carbon nanotubes can be exerted  and simultaneously the effect of screening effects between adjacent carbon nanotubes on the field emission performance can also be effectively decreased. The CNTs synthesized on carbon fibers substrate has many predominances for the fabrication of cold cathode devices. For example  using the removability of carbon fibers  the cathode of CNTs/carbon fibers can be arbitrarily moved  enlaced or combined to form different patterns  and the cathode of CNTs/carbon fibers can be also fabricated in large size. Therefore  CNTs/carbon fibers may have potential application in field emission displays.  
Studies on confined crystallization behavior of polycaprolactone thin films 期刊论文  OAI收割
ACTA POLYMERICA SINICA, 2006, 期号: 8, 页码: 964-969
作者:  
Qiao Congde;  Jiang Shichun;  Ji Xiangling;  An Lijia;  Jiang Bingzheng
  |  收藏  |  浏览/下载:16/0  |  提交时间:2019/04/09
Investigation of growth mode in ZnO thin films prepared at different temperature by plasma-molecular beam epitaxy (EI CONFERENCE) 会议论文  OAI收割
13th International Conference on Molecular Beam Epitaxy, August 22, 2004 - August 27, 2004, 13th International Conference on Molecular Beam Epitaxy, August 22, 2004 - August 27, 2004
Liang H. W.; Lu Y. M.; Shen D. Z.; Yan J. F.; Li B. H.; Zhang J. Y.; Liu Y. C.; Fan X. W.
收藏  |  浏览/下载:35/0  |  提交时间:2013/03/25
High-quality ZnO thin films on c-plane sapphire (Al2O 3) substrates were prepared by plasma-molecular beam epitaxy (P-MBE). The influence of growth temperature on growth mode of ZnO was investigated. Real-time monitored by reflection high-energy electron diffraction (RHEED) images show that  below 500 C  ZnO thin film was grown by three-dimension (3D) growth mode. While the two-dimension (2D) growth mode was obtained above growth temperature of 650 C. Atomic force microscopy (AFM) images present that the surface morphology of ZnO thin film with 2D growth is improved and X-ray rocking curves (XRC) indicate that the full width at half maximum (FWHM) of the ZnO (0 0 2) peak becomes narrow. From the photoluminescence (PL) spectra  ultraviolet (UV) emission peak exhibits obvious blue-shift for the samples grown at lower temperature  which is attributed to the effect of the quantum confinement arisen from small crystal grain sizes. The minimum carrier concentration of N=7.661016 cm-3 was obtained in the ZnO thin films with the 2D grown  which is closed to that of bulk ZnO. 2005 Elsevier B.V. All rights reserved.  
Fabrication of gan epitaxial films on al2o3/si (001) substrates 期刊论文  iSwitch采集
Science in china series e-technological sciences, 1998, 卷号: 41, 期号: 2, 页码: 203-207
作者:  
Wang, LS;  Liu, XG;  Zan, YD;  Wang, D;  Wang, J
收藏  |  浏览/下载:31/0  |  提交时间:2019/05/12
Fabrication of GaN epitaxial films on Al2O3/Si (001) substrates 期刊论文  OAI收割
science in china series e-technological sciences, 1998, 卷号: 41, 期号: 2, 页码: 203-207
Wang LS; Liu XG; Zan YD; Wang D; Wang J; Lu DC; Wang ZG
收藏  |  浏览/下载:34/0  |  提交时间:2010/08/12