New Process for Final Densification of Ceramics

机译：陶瓷最终致密化的新工艺

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The objective of this program was to demonstrate the feasibility of novel densification process based on supercritical fluids. Using this process carbon/carbon composites were impregnated with silicon carbide precursors and pyrolyzed to produce oxidation resistant pore coatings. The resulting samples were characterized in terms of silicon distribution, mechanical properties, and oxidation resistance. The solubility behavior of candidate carbon and silicon carbide precursors was determined in supercritical propane and carbon dioxide. In addition, two silicon carbide precursors were fractionated and characterized to establish the molecular weight dependence of the char yield. The results of the solubility and fractionation studies were then used to guide the impregnation program. (JES)

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作者
Wagner, R. A.;
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年度 1988
页码 p.1-67
总页数 67
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Ceramic materials; Density; Behavior; Carbon; Carbon carbon composites; Carbon dioxide; Charring; Distribution; Fluids; Fractionation; Impregnation; Mechanical properties; Molecular weight; Oxidation resistance; Precursors; Propane; Silicon; Silicon carbides; Solubility;

机译：陶瓷材料;密度;行为;碳;碳碳复合材料;二氧化碳;炭化;分布;流体;分馏;浸渍;机械性能;分子量;抗氧化性;前体;丙烷;硅;碳化硅;溶解度;

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2. Modeling the final sintering stage of doped ceramics: mutual interaction between grain growth and densification [J] . Gong M. M., Castro R. H. R., Liu F. Journal of Materials Science . 2018,第3期

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5. Effects of Processing Parameters of SPS on the Densification and Texture of LaPO_4 Ceramics [C] . Aibing Du, Zhixue Qu, Chunlei Wan, China International Conference on High-Performance Ceramics . 2008

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6. FINAL STAGE DENSIFICATION OF ALUMINA DURING HOT ISOSTATIC PRESSING (MODEL, MAGNESIUM OXIDE, MICROSTRUCTURE, POROSITY, SINTER) [D] . EWSUK, KEVIN GREGORY 1986

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8. Characterization of pore evolution in ceramics during creep failure and densification. Final report, April 15, 1984--April 14, 1995 [O] . Page, R.A., Chan, K.S. 1995

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New Process for Final Densification of Ceramics

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