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Wear Behavior of MoSi2 and MoSi2 Matrix Composites

Published online by Cambridge University Press:  15 February 2011

D. E. Alman ,
J. A. Hawk  and
A. V. Petty Jr.
D. E. Alman
Affiliation:
U.S. Bureau of Mines, Albany Research Center, Albany, OR 97321-2198
J. A. Hawk
Affiliation:
U.S. Bureau of Mines, Albany Research Center, Albany, OR 97321-2198
A. V. Petty Jr.
Affiliation:
U.S. Bureau of Mines, Albany Research Center, Albany, OR 97321-2198
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Abstract

The U.S. Bureau of Mines is examining the wear behavior of a variety of advanced materials, including the intermetallic compound MoSi2. The high stiffness and hardness of MoSi2 make it attractive for use in applications requiring wear resistance. This research reports on the results of pin abrasion wear tests for a variety of powder processed MoSi2 and MoSi2 matrix composites. The effect of the addition of ductile (Nb) and brittle (SiC) reinforcements, as well as the influence of reinforcement type and orientation geometry, on abrasive wear is discussed. Comparisons of the wear behavior of MoSi2 and MoSi2-based composites with other materials, such as refractory metals, aluminides, and ceramics, are made.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 350: Symposium U – Intermetallic Matrix Composites III , 1994 , 195
Copyright
Copyright © Materials Research Society 1994

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