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Development of Al-Cu-Fe Quasicrystal-Poly(p-phenylene sulfide) Composites

Published online by Cambridge University Press:  17 March 2011

Paul D. Bloom ,
K.G. Baikerikar ,
James W. Anderegg  and
Valerie V. Sheares
Paul D. Bloom
Affiliation:
Department of Chemistry, Iowa State University Ames, IA 50011, U.S.A
K.G. Baikerikar
Affiliation:
Ames Laboratory, Iowa State University Ames, IA 50011, U.S.A
James W. Anderegg
Affiliation:
Ames Laboratory, Iowa State University Ames, IA 50011, U.S.A
Valerie V. Sheares
Affiliation:
Department of Chemistry, Iowa State University Ames, IA 50011, U.S.A
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Abstract

Quasicrystalline Al-Cu-Fe powders were used as a novel filler material in poly(p-phenylene sulfide) (PPS). These polymer/quasicrystal composites showed useful properties that may be beneficially exploited in applications such as dry bearings and composite gears. Al-Cu-Fe quasicrystalline filler significantly improved wear resistance to volume loss in polymer-based composites. In addition to improving the composite wear resistance, the Al-Cu-Fe filler showed low abrasion to the 52100 chrome steel counterface. Furthermore, mechanical testing results showed a two-fold increase in the storage modulus of the reinforced composites compared with the polymer samples. In addition, the Al-Cu-Fe filler was compared to its constituent metals, aluminum oxide, and silicon carbide in PPS. Chemical analysis of the wear interface by X-ray spectroscopy indicated the generation of a third body oxide layer during wear. The fabrication in addition to the thermal, mechanical, and wear properties of these unique materials is described.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 643: Symposium K – Quasicrystals-Preparation, Properties, and Applications , 2000 , K16.3
Copyright
Copyright © Materials Research Society 2001

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