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J. Korean Ceram. Soc. > Volume 26(6); 1989 > Article
Journal of the Korean Ceramic Society 1989;26(6): 795.
졸-겔법에 의한 다결정 물라이트 섬유의 제조
김경용, 김윤호, 이수원, 정형진, 김구대
한국과학기술원 연구원 세라믹스 연구부
Preparation of Polycrystalline Mullite Fiber Using the Sol-Gel Technique
The polycrystalline mullite fiber was synthesized from various combination of starting materials including metal alkoxides and colloidal sol by the sol-gel process. The best spinnability was observed in the sol which showed shear thinning and hysteresis (i.e., thixotropic flow), indicating that the network structure was broken down as the shear rate increased. The mullite fiber was polycrystalline after firing and characterized by thermal analysis, XRD, FT-IR spectroscopy, rheological measurements, and SEM.
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