文章信息/Info

Title:

Review on the Preparation of Ultra-high Temperature Ceramic Precursors

作者:

邱文豐; 葉麗; 韓偉健; 趙彤*

 

 中國科學院化學研究所

Author(s):

QIU Wenfeng;  YE Li;  HAN Weijian;  ZHAO Tong

Institute of Chemistry, Chinese Academy of Sciences

關鍵詞:

FONT-FAMILY: 宋體;  mso-bidi-font-size: 11.0pt;  mso-ascii-font-family: "; Times New Roman";  mso-hansi-font-family: "; Times New Roman";  mso-bidi-font-family: "; Times New Roman";  mso-bidi-theme-font: minor-bidi;  mso-ansi-language: EN-US;  mso-fareast-language: ZH-CN;  mso-bidi-language: AR-SA"> 超高溫; 陶瓷基復合材料; 前驅體; 合成; 表征

DOI:

10.7502/j.issn.1674-3962.2015.10.02

文獻標志碼:

A

摘要:

耐超高溫陶瓷基復合材料是一類可經受超高速、長時間、跨大氣層飛行和再入等極端環境的新型熱防護材料，超高溫陶瓷前驅體是其關鍵基礎原材料。本文綜述了近年來國內外在超高溫陶瓷前驅體制備及陶瓷化過程表征領域的研究進展。超高溫陶瓷前驅體已經從溶膠凝膠路線發展到聚合物路線，從單獨氧化物陶瓷發展到碳化物、硼化物和氮化物等多種陶瓷種類，從純相陶瓷發展到多元復相陶瓷，這些研究結果有力支撐了應用部門研制工作。面向未來，超高溫陶瓷前驅體研究將向無氧前驅體路線和多元復相前驅體方向發展，并逐步完善前驅體和陶瓷產物的評價表征體系。

Abstract:

Fiber reinforced ultra-high temperature ceramics matrix composites (CMCs) are potential candidates for thermal protection system in hypersonic vehicles because of their excellent and unique combination of high melting points, good thermal-shock resistance and superior ablation/oxidation resistance. Ceramic precursors, determining manufacture cycles and performance of CMCs, are key raw materials. Preparation and characterization of ultra-high temperature ceramic precursors were reviewed in this article. So far, the development of ultra-high temperature ceramics has extended from sol-gel to polymer precursor method, from refractory metal oxides to carbides, borides and nitrides, from single phase to composite ceramics. In future, oxygen-free ceramic precursors and composite ceramic precursors will be the main direction, in addtion, the characterazation of the precursors and their derived ceramics should also be emphasized