Fabrication of Isotropic Pyrocarbon at 1400 ℃ by Thermal Gradient Chemical Vapor Deposition Apparatus
来源期刊:Journal Of Wuhan University Of Technology Materials Science Edition2009年第5期
论文作者:郭领军
文章页码:728 - 731
摘 要:An experiment was designed to prepare isotropic pyrocarbon by thermal gradient chemical vapor deposition apparatus. The deposition was performed under ambient atmosphere at 1400 ℃, with natural gas volume flow of 3.5 m3/h for 80 h. The results show that the thickness and the bulk density of the deposit are about 1.95 g/cm3 and 10 mm, respectively. The microstructure of the deposit was examined by polarized light microscopy and scanning electron microscopy, which shows that the deposit is constituted of sphere isotropic pyrocarbon, pebble pyrocarbon and laminar pyrocarbon.
郭领军
State Key Laboratory of Thermostructure Composites Materials,Northwestern Polytechnical University
摘 要:An experiment was designed to prepare isotropic pyrocarbon by thermal gradient chemical vapor deposition apparatus. The deposition was performed under ambient atmosphere at 1400 ℃, with natural gas volume flow of 3.5 m3/h for 80 h. The results show that the thickness and the bulk density of the deposit are about 1.95 g/cm3 and 10 mm, respectively. The microstructure of the deposit was examined by polarized light microscopy and scanning electron microscopy, which shows that the deposit is constituted of sphere isotropic pyrocarbon, pebble pyrocarbon and laminar pyrocarbon.
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