本文選題：先驅(qū)體　切入點：耐高溫陶瓷　出處：《固體火箭技術(shù)》2016年04期 　論文類型：期刊論文

【摘要】：將四-二乙氨基鋯(TDEAZ)和乙炔基苯胺封端的聚碳硅氮烷(PCSN)進行液相共混,制備含有Zr、Si元素的新型復相陶瓷先驅(qū)體(ZPCSN),并通過FT-IR對其結(jié)構(gòu)進行表征,利用DSC與TGA分別探討其固化行為及耐熱性能;并通過XRD與EDS研究ZPCSN的陶瓷先驅(qū)體、耐高溫陶瓷。陶瓷化性能結(jié)果表明,ZPCSN結(jié)構(gòu)中含有C≡C鍵,在固化過程中交聯(lián)形成致密的三維網(wǎng)狀結(jié)構(gòu),賦予ZPCSN優(yōu)異的耐熱性能;在1 600℃氬氣氛圍中,ZPCSN裂解形成Zr C/Zr N/Si C/Si3N4多元復相陶瓷,保留率為67.92%,這表明ZPCSN具有優(yōu)異的陶瓷化性能。
[Abstract]:Tetra-diethylamino-zirconium (TDEAZ) was blended with acetylaniline-capped polycarbosilysiloxane (PCSNN) in liquid phase to prepare a new multiphase ceramic precursor containing Zr-Si and its structure was characterized by FT-IR. The curing behavior and heat resistance of ZPCSN were studied by DSC and TGA, and the ceramic precursors of ZPCSN were studied by XRD and EDS. During the curing process, ZPCSN was crosslinked to form a dense three-dimensional network structure, which gave ZPCSN excellent heat resistance, and ZPCSN was pyrolyzed at 1 600 鈩，

本文編號：1594057