Friction and Wear Properties of Fe7Mo6-Based Alloy under Various Sliding Conditions

Takashi Murakami; Kunio Matsuzaki

doi:10.4028/www.scientific.net/MSF.706-709.1083

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Surface Effects on the Mechanical Properties of Gamma Titanium Aluminides
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Deformation Microstructures of Two-Phase Intermetallic Alloy Composed of Ni₃Al and Ni₃V in Single Crystalline Form
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HomeMaterials Science ForumMaterials Science Forum Vols. 706-709Friction and Wear Properties of Fe7Mo6-Based Alloy...

Friction and Wear Properties of Fe₇Mo₆-Based Alloy under Various Sliding Conditions

Abstract:

In this study, the friction and wear properties of the Fe₇Mo₆-based alloy/Al₂O₃ tribopair were investigated at high temperatures in air and at 298 K in water. The Fe₇Mo₆-based alloy/Al₂O₃ tribopair exhibited friction coefficients as low as 0.5 at 298 K and 873 K in air. On the other hand, this tribopair exhibited higher friction coefficients at 573 K than at 298 K and 873 K. It was also found that the friction coefficients of this tribopair were approximately 0.5 in water. The Fe₇Mo₆-based alloy disk specimens and their paired Al₂O₃ ball specimens exhibited the highest specific wear rates at 873 K in air. Oxygen-rich phase was observed on the worn surfaces of all the disk specimens. Concerning the friction and wear tests at high temperatures in air, the amount of the oxygen-rich phase increased with increasing the testing temperature. In addition, a little larger amount of the oxygen-rich phase was observed on the worn surface formed at 298 K in water than that formed at 298 K in air.

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Materials Science Forum (Volumes 706-709)

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1083-1088

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.706-709.1083

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Online since:

January 2012

Authors:

Takashi Murakami, Kunio Matsuzaki

Keywords:

Fe₇Mo₆, Friction, Intermetallic Compound (IMC), Spark Plasma Sintering (SPS), Tribology, Wear

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