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Dry Sliding Of Polygrained Quasicrystalline And Crystalline Al-Cu-Fe Alloys

Published online by Cambridge University Press:  10 February 2011

D. J. Sordelet ,
J. S. Kim  and
M. F. Besser
D. J. Sordelet
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
J. S. Kim
Affiliation:
Korea Institute of Energy Research, Taejon, Korea
M. F. Besser
Affiliation:
Ames Laboratory, Iowa State University, Ames, IA 50011
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Abstract

Dry sliding friction and wear experiments were performed with pin-on-disc techniques using WC and brass pins in contact with quasicrystalline (Al65Cu23Fe12) and crystalline (Al50Cu35Fe15 and Al70Cu20Fe10) discs, which were prepared by powder metallurgy routes. The contact loads (1, 5 and 10 N) used in this study produced similar coefficients of friction 0.3-0.4 for the Al65Cu23Fe12 and Al50Cu35Fe15 phases. These values are higher than previously reported for quasicrystalline and related crystalline phases. Possible reasons for these differences are presented. The contrasting wear behavior between different pins and discs is discussed in terms of contact area, oxidation, material transfer mechanisms and fracture characteristics.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 553: Symposium LL – Quasicrystals , 1998 , 459
Copyright
Copyright © Materials Research Society 1999

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References

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