| Issue |
MATEC Web Conf.
Volume 100, 2017
13th Global Congress on Manufacturing and Management (GCMM 2016)
|
|
|---|---|---|
| Article Number | 04009 | |
| Number of page(s) | 7 | |
| Section | Part 4: Equipment manufacturing and New materials | |
| DOI | https://doi.org/10.1051/matecconf/201710004009 | |
| Published online | 08 March 2017 | |
Research on Friction and Wear Performance of TiB2 Based Self-lubricating Ceramic composites
School of Mechanical and Automotive Engineering, Qilu University of Technology, Jinan 250353, China
E-mail:dhggzyx@126.com
TiB2 based self-lubricating ceramic composites with the addition of different content of h-BN were prepared by hot pressing technique and their mechanical properties were tested. Friction and wear experiments are conducted on a MMW – 1A configuration control universal friction and wear testing machine. Friction and wear properties of the ceramic composites under different speed and load were studied. The results show that with the increase of the content of h-BN, the hardness, flexural strength and fracture toughness showed a trend of decrease. When load was fixed, with the increase of rotational speed, the friction coefficient rose and the wear rate were first decreased and then increased. When rotational speed was fixed, the friction coefficient and wear rate first decreased and then increased with the increase of load. In nitrogen, the friction coefficient and wear rate of material were higher than those in the air.
Key words: Self-lubricating ceramic / mechanical properties / friction and wear / nitrogen atmosphere
© The Authors, published by EDP Sciences, 2017
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