Role of microstructure in the grinding and polishing of alpha-sialon ceramics
Document Type
Journal Article
Publisher
Elsevier Ltd
Faculty
Faculty of Computing, Health and Science
School
School of Engineering
RAS ID
8941
Abstract
The grinding and polishing behaviour of three tailored α-sialon microstructures made of the same chemical composition: fine-grained, bimodal and large elongated-grained, were determined. The fine-grained microstructure was characterised by extensive lateral cracks in the grinding process and widespread grain pullout during the mechanical polishing; in contrast, the large elongated-grained microstructure exhibited high grinding damage resistance, and a defect-free, mirror-like surface after mechanical polishing. The bimodal microstructure showed an intermediate behaviour during both processes. The material removal mechanisms during grinding and polishing were analysed and modelled as a function of grain size and aspect ratio.
DOI
10.1016/S0955-2219(03)00046-3
Comments
Xie, Z. H., Moon, R. J., Hoffman, M., Munroe, P., & Cheng, Y. B. (2003). Role of microstructure in the grinding and polishing of α-sialon ceramics. Journal of the European Ceramic Society, 23(13), 2351-2360.