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A note on tribological behaviour of α-sialon/steel couples under dry conditions

Reis, Pedro / Davim, J. Paulo / Xu, Xin / Ferreira, J.M.F.

AbstractAdvanced structural ceramics are presently used in several tribological applications, such as precision instrument bearings, automotive engine parts and cutting tools inserts. Design and selection of advanced ceramics for these applications require reliable data on the effects of temperature, load and environment on the tribological behaviour of these materials. In the present work, the friction and wear behaviour of colloidally processed and pressureless sintered sialon ceramics with phase (α) have been studied, aiming at increasing α-sialon in industrial applications as cutting tools. The friction and wear behaviour of sialon ceramics against steel DIN-Ck45K were investigated using a pin-on-disk tribometer under dry sliding conditions at room temperature, in order to eliminate the contribution of lubricant. The experiments were performed with a constant sliding velocity of 0.5m/s and a contact stress of 2.85MPa for 2000m of sliding distance. Scanning electron microscopy (SEM), and energy dispersion spectroscopy (EDS) were used to analyse the worn surfaces of sialon ceramics.

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A note on tribological behaviour of α-sialon/steel couples under dry conditions

Reis, Pedro / Davim, J. Paulo / Xu, Xin / Ferreira, J.M.F.

AbstractAdvanced structural ceramics are presently used in several tribological applications, such as precision instrument bearings, automotive engine parts and cutting tools inserts. Design and selection of advanced ceramics for these applications require reliable data on the effects of temperature, load and environment on the tribological behaviour of these materials. In the present work, the friction and wear behaviour of colloidally processed and pressureless sintered sialon ceramics with phase (α) have been studied, aiming at increasing α-sialon in industrial applications as cutting tools. The friction and wear behaviour of sialon ceramics against steel DIN-Ck45K were investigated using a pin-on-disk tribometer under dry sliding conditions at room temperature, in order to eliminate the contribution of lubricant. The experiments were performed with a constant sliding velocity of 0.5m/s and a contact stress of 2.85MPa for 2000m of sliding distance. Scanning electron microscopy (SEM), and energy dispersion spectroscopy (EDS) were used to analyse the worn surfaces of sialon ceramics.

A note on tribological behaviour of α-sialon/steel couples under dry conditions

Reis, Pedro / Davim, J. Paulo / Xu, Xin / Ferreira, J.M.F.

AbstractAdvanced structural ceramics are presently used in several tribological applications, such as precision instrument bearings, automotive engine parts and cutting tools inserts. Design and selection of advanced ceramics for these applications require reliable data on the effects of temperature, load and environment on the tribological behaviour of these materials. In the present work, the friction and wear behaviour of colloidally processed and pressureless sintered sialon ceramics with phase (α) have been studied, aiming at increasing α-sialon in industrial applications as cutting tools. The friction and wear behaviour of sialon ceramics against steel DIN-Ck45K were investigated using a pin-on-disk tribometer under dry sliding conditions at room temperature, in order to eliminate the contribution of lubricant. The experiments were performed with a constant sliding velocity of 0.5m/s and a contact stress of 2.85MPa for 2000m of sliding distance. Scanning electron microscopy (SEM), and energy dispersion spectroscopy (EDS) were used to analyse the worn surfaces of sialon ceramics.

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Title:

A note on tribological behaviour of α-sialon/steel couples under dry conditions

Contributors:

Reis, Pedro (author) / Davim, J. Paulo (author) / Xu, Xin (author) / Ferreira, J.M.F. (author)

Publication date:

2006-02-02

Size:

5 pages

ISSN:

DOI:

https://doi.org/10.1016/j.matdes.2006.02.002

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Wear , Friction , Advanced structural ceramics , Sialon , Crystalline phases

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