Wear of Al2O3–SiC-(Al,Si) melt oxidised ceramic composites

✍ Scribed by V Jayaram; S.K Biswas

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 378 KB
• Volume: 225-229
• Category: Article
• ISSN: 0043-1648
• DOI: 10.1016/s0043-1648(99)00072-1

✦ Synopsis

Al O -SiC-Al,Si cermets are fabricated using the melt oxidation route. The tribological properties of the composites are tested 2 3 under adhesive sliding and two body abrasion conditions. Under adhesive conditions, the network of residual aluminium in the matrix plays a role in the formation of a thin tribofilm on the interface while in abrasion the hardness of the composite plays a prominent tribological role. The work suggests that microstructural control can make this low temperature composite competitive with the conventional high temperature monolithic ceramics.