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Title:Growth of Textured Mullite Fibers Using Polycrystalline Precursors
Author(s):Yoon, Wonki
Doctoral Committee Chair(s):Kriven, Waltraud M.
Department / Program:Materials Science and Engineering
Discipline:Materials Science and Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Engineering, Materials Science
Abstract:Mullite whiskers were prepared by HF leaching and templated into polycrystalline mullite fibers by extrusion. Textured growth of mullite fibers with elongated grains, aligned along the long-axis of the fibers, was achieved by heat treatment. Repeated heat treatment cycles of a whisker-templated fiber showed a bamboo-like microstructure. It was confirmed by SEM, TEM and optical microscopy (OM) that the growth direction along the fiber length was the [001] direction of orthorhombic mullite.
Issue Date:2007
Type:Text
Language:English
Description:146 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.
URI:http://hdl.handle.net/2142/82807
Other Identifier(s):(MiAaPQ)AAI3270064
Date Available in IDEALS:2015-09-25
Date Deposited:2007


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