Paper Titles
Erosive Wear Behavior of Reaction Sintered Si3N4-SiCp Composite Ceramic in Liquid-Solid Flow
p.1317
Friction and Wear Characteristics of SiC and Si3N4 Ceramics Against ZrO2 Ceramic under Dry Friction
p.1319
Study on Erosion Resistance of Structural Ceramics
p.1323
Unlubricated Sliding Wear of TiN Particle Reinforced Si3N4 Matrix Composites Against AISI-52100 Steel Ball
p.1327
Erosion Wear Characteristics of Si3N4 Fabricated from Low-Cost Powders
p.1331
Oxidation Behaviors of MgAlON/Si3N4 Composite at High Temperature
p.1335
Synthesis of Ti3SiC2 Bulk Materials with B2O3 Additive
p.1339
A Soft Ceramic Ti3SiC2 with Microscale Plasticity at Room Temperature
p.1343
Frictional Layer and Its Antifriction Effect in High-Purity Ti3SiC2 and TiC-Contained Ti3SiC2
p.1347

Erosion Wear Characteristics of Si3N4 Fabricated from Low-Cost Powders

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Abstract:

High producing cost is one of the important reasons that silicon nitride ceramics can’t be widely used today. In this paper, one kind of commercial low-cost silicon nitride powder was used as raw material. High density samples were obtained through pressureless sintering with alumina, yttria and magnesia as sintering aids. The Si3N4 material was tested and the erosion wear rate was measured. It was found that the low cost and dense Si3N4 ceramics exhibited a better erosion wear resistance than the hot-press ceramics produced with the UBE Si3N4 powder and much better then the Cr-26 cast iron. The worn surface was observed with the SEM and the erosion wear mechanisms were analyzed.

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Periodical:

Key Engineering Materials (Volumes 280-283)

Pages:

1331-1334

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.280-283.1331

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Online since:

February 2007

Authors:

Bing Wu, Long Hao Qi, Jian Shen

Keywords:

Erosive Wear Resistance, Wear Mechanism

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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