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An Overview of Dry Sliding Wear of Two-Phase FeNiMnAl Alloys

Published online by Cambridge University Press:  28 December 2012

Xiaolan Wu ,
Fanling Meng ,
Ian Baker ,
Hong Wu  and
Paul R. Munroe
Xiaolan Wu
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover NH 03755, U.S.A
Fanling Meng
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover NH 03755, U.S.A
Ian Baker
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover NH 03755, U.S.A
Hong Wu
Affiliation:
State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, P.R.C.
Paul R. Munroe
Affiliation:
Electron Microscope Unit, University of New South Wales, Sydney NSW 2052, Australia
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Abstract

The pin-on-disc wear behavior of nanostructured two-phase Fe30Ni20Mn20Al30 and eutectic lamellar-structured Fe30Ni20Mn35Al15 is compared emphasizing the influence of the microstructure and mechanical properties of alloys as well as the effect of test environment. Although the wear of both alloys was greater in oxygen-containing environments, eutectic Fe30Ni20Mn35Al15 is less sensitive to oxygen than nanostructured Fe30Ni20Mn20Al30. Abrasive wear dominated during the wear in all cases, while plastic deformation also occurred during the wear of eutectic Fe30Ni20Mn35Al15. A tribolayer of zirconia, which was embedded in the surface of the wear pin, was characterized using a scanning transmission electron microscope equipped with an energy dispersive spectrometer.

Keywords

alloymicrostructurescanning transmission electron microscopy (STEM)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1516: Symposium JJ – Intermetallic-Based Alloys—Science, Technology and Applications , 2013 , pp. 103 - 108
Copyright
Copyright © Materials Research Society 2012 

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References

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