Effect of Sliding Speed and Loads on Tribological Behaviors of Iron and Cobalt-Based High-Temperature Alloys against Al2O3 Balls

Chang Ming Huang; Bin Zou; Yan An Liu; Shuai Zhang

doi:10.4028/www.scientific.net/MSF.861.241

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HomeMaterials Science ForumMaterials Science Forum Vol. 861Effect of Sliding Speed and Loads on Tribological...

Effect of Sliding Speed and Loads on Tribological Behaviors of Iron and Cobalt-Based High-Temperature Alloys against Al₂O₃ Balls

Abstract:

The dry sliding wear behaviors of iron and cobalt-based high-temperature alloys against Al₂O₃ with different sliding speed under various loads were investigated using a ball-on-disc tribo-tester. The friction coefficient of both high-temperature alloys decreased with the increasing speed and load. The GH605 exhibited the stronger wear resistance than GH2132 under all test conditions. The adhesion layer and oxides were found on the worn surface of Al₂O₃, and the high-temperature alloy would react with air and the wear mechanisms might be adhesive wear and oxidative wear.

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Periodical:

Materials Science Forum (Volume 861)

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241-246

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.861.241

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Online since:

July 2016

Authors:

Chang Ming Huang, Bin Zou*, Yan An Liu, Shuai Zhang

Keywords:

Al₂O₃, Friction Coefficient, High-Temperature Alloy, Sliding Wear, Wear Mechanism

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