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Phase transformation effects on the wear properties of alumina gel–polymer matrix nanocomposites

Published online by Cambridge University Press:  31 January 2011

Jiazhong Luo ,
John Lannutti  and
Robert Seghi
Jiazhong Luo
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210
John Lannutti*
Affiliation:
Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210
Robert Seghi
Affiliation:
College of Dentistry, The Ohio State University, Columbus, Ohio 43210
*
b)Address all correspondence to this author at 477 Watts Hall, 2041 College Rd, Columbus, OH 43210-1179. e-mial: lannutti.1@osu.edu
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Abstract

A phase transformation in an alumina gel provided an elegant means of isolating the effect of filler properties on the wear resistance of particle-reinforced thermosetting polymer–matrix composites. This transformation was useful because it takes place without significantly altering filler porosity. This produced a wear surface apparently reflecting the vermicular growth patterns in the γ-alumina in the δ-aluminum monohydrate matrix. Nucleation of γ-alumina in the gel matrix produced wear rates comparable to commercial composites.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 6 , June 2001 , pp. 1680 - 1685
Copyright
Copyright © Materials Research Society 2001

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