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The Tribological Behaviour of Beryllium Copper Alloy QBe2 against 30CrMnSiA Steel under Sliding Condition

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Abstract:

The tribological behaviour of beryllium copper alloy QBe2 against 30CrMnSiA steel under sliding condition were tested at the M2000A model wear tester. It studied the hardness, surface roughness, load and prior corrosion of QBe2 specimens under the dry or grease lubricated conditions. The volume wear and friction coefficient were relatively better when the hardness of QBe2 was lager under the grease lubricated sliding friction. The volume wear was the smallest when surface roughness was 0.8μm, and its tribological properties were the best under the grease lubricated sliding friction. Meanwhile the values of wear loss, wear rate and average friction coefficient under the grease lubricated friction were one level smaller than that under the dry friction. The volume wear and friction coefficient decreased with the loads declined under the grease lubrication condition. Prior corrosion process made the lubricant effect worse, which obviously reduced the wear-resisting property of QBe2 and enlarged its wear rate and friction coefficient.

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Info:

Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

2181-2188

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.2181

Citation:

Cite this paper

Online since:

November 2011

Authors:

Zhi Hai Tan, Qiang Guo, Xia Li, Zheng Ping Zhao

Keywords:

Beryllium Copper Alloy, Friction, Hardness, Prior Corrosion, Surface Roughness (SR), Wear

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