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

  • Xiaolan Wu (a1), Fanling Meng (a1), Ian Baker (a1), Hong Wu (a2) and Paul R. Munroe (a3)...


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.



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