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Effect of spraying parameters on the structure of vacuum coatings(Vliianie parametrov napyleniia na strukturu vakuumnykh pokrytii)

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[唯一标识符]:CDSITC.AEROSPACE.A93-39016
[文献来源]:美国航空航天数据库(aerospace)
[资源原始索取号]:A1993-39016; Reference AN: A93-39016
[标题]:Effect of spraying parameters on the structure of vacuum coatings(Vliianie parametrov napyleniia na strukturu vakuumnykh pokrytii)
[作者]:KOSOGOR S P; IVANOVA M V; SEMENOV IU L
[来源]:In:-Powder-metallurgy-and-metals-science-(A93-39001-15-26)
[文摘]:The effect of spraying parameters on the phase composition, texture, and substructure of coatings deposited by plasma spraying in vacuum is investigated experimentally using X-ray diffraction analysis. It is found that bias voltage is a factor that has the greatest effect on the characteristics of the fine structure of the coatings. Plasma-sprayed coatings of TiC, TiN, and TiC(x)N(1-x) are shown to have a nearly stoichiometric composition. (AIAA)
[关键词]:PLASMA SPRAYING; SPRAYED COATINGS; TITANIUM CARBIDES; TITANIUM NITRIDES; VACUUM DEPOSITION; TEXTURES ; THIN FILMS
[出版年份]:1990
[专业领域]:MECHANICAL ENGINEERING
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[唯一标识符]:CDSTIC.ISTP.1583587
[文献来源]:科学技术会议录索引(ISTP)
[文献类型]:科技会议
[标题]:PLD Based Protection System
[作者]:S Kim;YR Lee;JM Koo;JB Han
[出版单位]:I E E ENew York
[ISSN_ISBN]:0-7803-2776-4
[会议名称]:22nd International Conference on Industrial Electronics, Control, and Instrumentation (IECON 96),Taipei, Taiwan,August 5-10, 1996
[来源]:PROCEEDINGS OF THE 1996 IEEE IECON - 22ND INTERNATIONAL CONFERENCE ON INDUSTRIAL ELECTRONICS, CONTROL, AND INSTRUMENTATION, VOLS 1-3,pp 1424-1428
[编辑者]:CIEEE IND Electr Soc
[主办单位]:Feng Chia Univ Alumni Assoc, Taiwan, ROC;IEEE Ind Electr Soc;Minist Educ Taiwan;Natl Chung Cheng Univ;Natl Sci Council Taiwan, ROC;Natl Taiwan Inst Tech;Natl Taiwan Univ;Soc Instrument & Control Engineers Japan
[地址]:S Kim,Korea_Atom_Energy_Res_Inst, Control Syst Design Dept, Yoo Sung Gu, 150 Duk Jin Dong, Taejon, South Korea
[专业领域]:Engineering, Electrical & Electronic,Robotics & Automatic Control,Instruments & Instrumentation
[唯一标识符]:CDSITC.AEROSPACE.A91-18511
[文献来源]:美国航空航天数据库(aerospace)
[资源原始索取号]:A1991-18511; Reference AN: A91-18511
[标题]:Effects of Coulomb collisions on cyclotron maser and plasma wave growth in magnetic loops
[作者]:HAMILTON RUSSELL J; PETROSIAN VAHE
[来源]:Astrophysical Journal Part 1. vol. 365, Dec. 20, 1990, p. 778 788.
[文摘]:The evolution of nonthermal electrons accelerated in magnetic loops is determined by solving the kinetic equation, including magnetic field convergence and Coulomb collisions in order to determine the effects of these interactions on the induced cyclotron maser and plasma wave growth. It is found that the growth rates are larger and the possibility of cyclotron maser action is stronger for smaller loop column density, for larger magnetic field convergence, for a more isotropic injected electron pitch angle distribution, and for more impulsive acceleration. For modest values of the column density in the coronal portion of a flaring loop, the growth rates of instabilities are significantly reduced, and the reduction is much larger for the cyclotron modes than for the plasma wave modes. The rapid decrease in the growth rates with increasing loop column density suggests that, in flare loops when such phenomena occur, the densities are lower than commonly accepted. (Author)
[关键词]:AURORAS ; CORONAL LOOPS; COULOMB COLLISIONS; ELECTRON ACCELERATION; ELECTRON CYCLOTRON HEATING; PLASMA WAVES; SOLAR RADIO EMISSION; ELECTRON DISTRIBUTION; FOKKER PLANCK EQUATION; KINETIC EQUATIONS; MASERS ; WAVE PROPAGATION
[出版年份]:1990
[专业领域]:PLASMA PHYSICS

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