Fabrication of lightweight SiC space mirror

被引：2

作者：

Chen, Yufeng ^{[1
]}

Wang, Hua ^{[1
]}

Tang, Jie ^{[1
]}

Liu, Hailin ^{[1
]}

Chen, Shuguang ^{[1
]}

Fan, Qisheng ^{[1
]}

机构：

[1] China Bldg Mat Acad, Beijing 100024, Peoples R China

来源：

HIGH-PERFORMANCE CERAMICS IV, PTS 1-3 | 2007年 / 336-338卷

关键词：

silicon carbide; mirror; CVD; DEPOSITED SILICON-CARBIDE; SLURRY;

D O I：

10.4028/www.scientific.net/KEM.336-338.1151

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Silicon carbide ceramic has many attributes including high strength and stiffness, low thermal expansion coefficient, high thermal conductivity, low density and good resistant for radiation of space particles. These attributes make SiC ceramic becoming the third generation space mirror material. This paper describes the fabrication of lightweight SiC mirror blanks. By reducing the shrinkage of green body and controlling the drying conditions, lightweight SiC mirror blank with a diameter of 612mm has been prepared by using gelcasting process. The forming green body is infiltrated with liquid silicon at the temperature of 1600 degrees C, then a CVD SiC layer is coated on the surface of SiC mirror blank. After grinding and polishing, the mirror shows good optical properties.

引用

页码：1151 / 1154

页数：4

共 8 条

[1] BENDER JW, 1993, SPIE P, V2018, P248
[2] Gelcasting of aqueous silicon carbide/carbon black slurry
Chen, YF
Wang, H
Tang, J
Liu, HL
Fan, QS
[J]. HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 2005, 280-283 : 1291 - 1295
[3] PROPERTIES OF CHEMICAL-VAPOR-DEPOSITED SILICON-CARBIDE FOR OPTICS APPLICATIONS IN SEVERE ENVIRONMENTS
GOELA, JS
PICKERING, MA
TAYLOR, RL
MURRAY, BW
LOMPADO, A
[J]. APPLIED OPTICS, 1991, 30 (22): : 3166 - 3175
[4] JOHNSON S, 1993, SPIE, V2018, P237
[5] LEVITON DB, SPIE, V3443, P19
[6] LYUBARSKII SV, 1994, J OPT TECHNOL+, V61, P61
[7] CHEMICALLY VAPOR-DEPOSITED SILICON-CARBIDE (SIC) FOR OPTICAL APPLICATIONS
PICKERING, MA
TAYLOR, RL
KEELEY, JT
GRAVES, GA
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1990, 291 (1-2) : 95 - 100
[8] Wang H, 2002, RARE METAL MAT ENG, V31, P170

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