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Trans. Nonferrous Met. Soc. China 25(2015) 2772-2780 Vapor pressure measurement of lead and lead chlorides in FeOT-CaO-SiO2-Al2O3 system Yan-ling ZHANG1, Eiki KASAI2 1. State Key Laboratory... 980-8579, Japan Received 22 September 2014; accepted 10 March 2015 Abstract: Vapor pressure of lead and lead chlorides from FeOT-CaO-SiO2-Al2O3 slag system was measured by using Knudsen effusion method......
behaviors of heavy metals, such as zinc and lead in smelting process, it is necessary to obtain the basic knowledge, such as the saturated vapor pressure and activities of heavy metals in complex system... compositions and so on, was discussed. The results show that the saturated vapor pressures of zinc and lead chlorides increase with the increase of temperature, and the logarithmic value of pressure has......
Microstructure and graphitization behavior of diamond/SiC composites fabricated by vacuum vapor reactive infiltrationZhen-Liang Yang1,Li-Gen Wang2,Li-Min Wang1,Xin-Bo He3,Xuan-Hui Qu3,Rong-Jun... the graphitization of diamond under high temperature and low pressure, diamond/Si C composites were firstly fabricated by a rapid gaseous Si vacuum reactive infiltration process. The microstructure......
coating for C/C composites by low pressure chemical vapor deposition [J]. Carbon, 2000, 38(10): 1493-1498. [19] SNELL L, NELSON A, MOLIAN P. A novel laser technique for oxidation resistant coating...J. Cent. South Univ. Technol. (2010) 17: 1-6 DOI: 10.1007/s11771-010-0001-y Improved oxidation resistance of chemical vapor reaction SiC coating modified with silica for carbon/carbon composites......
, as illustrated in Fig.1 under atmospheric pressure. The water vapor was produced from deionized water treated by high purity argon. Evaporating rate was 0.4 L/h with oxygen less than 0.007 mg/L. Specimens were...J. Cent. South Univ. Technol. (2011) 18: 1354-1358 DOI: 10.1007/s11771-011-0845-9 Effects of CeO2 coating on oxidation behavior of T91 steel in water vapor YUE Zeng-wu(岳增武)1, 2, FU Min(傅敏)2, LI......
:ZrC涂层;温度;低压;化学气相沉积 中图分类号:TQ050.4 文献标志码:A Character of ZrC film prepared by transporting solid ZrCl4 during low pressure chemical vapor deposition LIU Gang, LI Guo-dong... ℃ is worse than that at 1 450 ℃. Key words: ZrC film; temperature; low pressure; chemical vapor deposition ZrC是重要的高温陶瓷材料,具有高硬度,高熔点,高热冲击强度,低热导率等优异性能[1],是理想的超高温抗氧化,抗冲刷,耐烧蚀涂层材料,可用于C/C固体火箭发动机喷管的喉衬,导弹鼻锥,飞行器再入大气层的防......
pressure chemical vapor deposition (LPCVD)and lithography techniques to act as the substrates for selective deposition of SAMs. The selectivity of SAMs from APTMS solution (N-(2-aminoethyl...-distributed Fe nano-particles on the surface, and followed by CNTs deposition using Fe as catalyst in a microwave plasma-chemical vapor deposition (MP-CVD) system to become the CNTs pattern......
March 2014; accepted 26 June 2014 Abstract: Deposition of diamond inside the trenches or microchannels by chemical vapor deposition (CVD) is limited by the diffusion efficiency of important radical... deposited in cylindrical microchannels of Cu template by hot-filament chemical vapor deposition. Micro-Raman spectroscopy and scanning electron microscopy (SEM) were used to characterize diamond film......
was successfully deposited on silicon by a hot filament chemical vapor deposition (HFCVD) method. Scanning electron microscopy (SEM), atomic force microscopy (AFM), RAMAN scattering spectra, as well... mechanics. Key words: nano-crystalline diamond film; optical absorption; chemical vapor deposition 1 Introduction Nano-crystalline diamond (NCD) films are being increasingly investigated due......
performance[2] and is affected by lots of factors such as vapor pressure, carbon concentration, pre-treatment methods and substrate temperature[3-7]. However, each factor has its optimum value...]. The diamond thin films were deposited on Si (100) substrates with an area of 1cm×1cm. During each deposition process the growth parameters including carbon concentration, vapor pressure and growth......