Abrasive Wear Testing of Si3N4 Ceramic Composites

Zsuzsanna Koncsik; M.B. Maros; László Kuzsella

doi:10.4028/www.scientific.net/MSF.729.55

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HomeMaterials Science ForumMaterials Science Forum Vol. 729Abrasive Wear Testing of Si3N4 Ceramic Composites

Abrasive Wear Testing of Si₃N₄ Ceramic Composites

Abstract:

Silicon nitride-based nanocomposites with different quantities (0, 1, 2 wt%) of multiwall carbon nanotubes (MWCNT) have been prepared by isostatic pressing. Abrasive tribological tests were carried out at room temperature in ambient atmosphere with various types of abrasives (different material and grain size) and lubricants respectively. Worn surfaces were characterized by surface roughness parameters, surface topography and scanning electron microscope while wear rate was featured by the worn mass. Results indicate that increase in MWCNT-content leads to decrease of abrasive wear resistance which is proven by increase of R_a and R_z roughness parameters and SEM-analyses of the abrasive worn surfaces.

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Periodical:

Materials Science Forum (Volume 729)

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55-60

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.729.55

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Online since:

November 2012

Authors:

Zsuzsanna Koncsik, M.B. Maros, László Kuzsella

Keywords:

Abrasive Wear, Ceramic Composites, MWCNT, Silicon Nitride

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