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Study on Tribological Properties of the Sealing Material CrMo Cast Iron

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Abstract:

For increasing the experimental efficiency and shortening the experimental time, the uniform design method was used to establish the wear experiment scheme on the tribological properties of the sealing material CrMo cast iron. The experiments were investigated on a vertical universal friction and wear tester, the worn surfaces of specimens were observed by scanning electron microscope (SEM). The results showed that the experiment points chosen by the uniform design is reasonable and effective, and the wear rate distribution rule of the CrMo cast iron was established and was divided three regions, the effect on wear rate in the I region and the III region was more serious than the II region, and the variation of the friction coefficient is bigger under experimental conditions, the main wear mechanism of the CrMo cast iron is desquamation wear and adhesive wear. The load and sliding speed coupling effect on wear of the CrMo cast iron must be thought over.

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Periodical:

Key Engineering Materials (Volume 500)

Pages:

254-257

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.500.254

Citation:

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Online since:

January 2012

Authors:

Yu Tao Yan, Zhi Li Sun, Guang Yang Hu, Tian Qi Hu

Keywords:

Desquamation Wear, Friction Coefficient (FC), Uniform Design, Wear Rate

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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