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A Novel Polyamide 12/Al-Cu-Fe Quasicrystal Composite

Published online by Cambridge University Press:  14 March 2011

Yuejian Liu ,
Paul D. Bloom ,
Valerie V. Sheares  and
Joshua U. Otaigbe
Yuejian Liu
Affiliation:
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, U.S.A.
Paul D. Bloom
Affiliation:
Department of Chemistry, 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.
Joshua U. Otaigbe
Affiliation:
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011, U.S.A.
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Abstract

The tribological and mechanical properties of a novel polyamide 12 (PA12)/Al-Cu-Fe quasicrystal (QC) composite were systematically studied to accelerate efforts to develop a useful, melt-processable, and wear-resistant polymer composite. The wear and friction properties were characterized using a pin-on-disk configuration and the static and dynamic mechanical properties were investigated using dynamical mechanical analyzer, tensile tester, and an impact tester. Further, the melt processability of the composite was studied using a Haake torque rheometer and a dynamic rotational rheometer. The results suggest that PA12/QC composite can be melt-processed into a wear-resistant material with enhanced mechanical properties for applications where combinations of wear resistance and good mechanical properties are required. The static mechanical properties of the composite were found to be consistent with the Halpin-Tsai equation and agreement was observed between the measured viscoelastic properties and theoretical predictions of Burgers' and Eilers' models.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 702: Symposium U – Advanced Fibers, Plastics, Laminates and Composites , 2001 , U9.5.1
Copyright
Copyright © Materials Research Society 2002

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References

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