Thermo-chemical ablation mechanism of epdm internal insulator

Wen Li Wang, Xiang Yu Sun, Wei Zhang, Ji Yu He

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

EPDM (Ethylene-Propylene-Diene) internal insulator is one kind of advanced heat-resistant materials. The formation and the typical reactions in char layer of EPDM internal insulator were investigated by means of the pipe furnace, oxygen-acetylene flame stream, and motor test etc. The composition of the char layer was characterized by means of XPS, XRD and FTIR. The in-situ formed silicon carbide was detected in the char layer of EPDM insulator, which is in favor of decreasing the linear ablation rate. The formation and consumption reactions of SiC in the char layer of EPDM insulator were studied. The four-reaction ablation mechanism of the EPDM internal insulator was established.

源语言英语
主期刊名66th International Astronautical Congress 2015, IAC 2015
主期刊副标题Space - The Gateway for Mankind's Future
出版商International Astronautical Federation, IAF
6403-6408
页数6
ISBN(电子版)9781510818934
出版状态已出版 - 2015
活动66th International Astronautical Congress 2015: Space - The Gateway for Mankind's Future, IAC 2015 - Jerusalem, 以色列
期限: 12 10月 201516 10月 2015

出版系列

姓名Proceedings of the International Astronautical Congress, IAC
8
ISSN(印刷版)0074-1795

会议

会议66th International Astronautical Congress 2015: Space - The Gateway for Mankind's Future, IAC 2015
国家/地区以色列
Jerusalem
时期12/10/1516/10/15

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