Autor:	A. V. Gropyanov, V. M. Gropyanov
Rok vydání:	2001
Předmět:	Materials science Fabrication Sintering Kinetic energy Structural evolution Grain size visual_art Materials Chemistry Ceramics and Composites visual_art.visual_art_medium Fracture (geology) Ceramic Composite material Porosity
Zdroj:	Refractories and Industrial Ceramics. 42:374-377
ISSN:	1083-4877
DOI:	10.1023/a:1014031032542
Popis:	The ceramic strength is shown to increase with decrease in porosity and decrease in grain size of polycrystals. In sintering, the material porosity decreases and the grain size increases. A relation between the ceramic strength and the kinetic parameters of sintering is established. A general relationship for the strength σ as a function of the relative porosity Z is derived. The σ versus Z relationship exhibits a maximum whose location is determined by the ratio of the densification and grain-growth rates and by the mechanism of ceramic fracture. A comprehensive study of structural evolution of the ceramic and its strength analysis provide an insight into the mechanisms of sintering and fracture, which allows a deterministic modeling to be applied to the technology of structural and refractory ceramics.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c22a82e7c3ae3aa88a31a39a287e35c5 https://doi.org/10.1023/a:1014031032542 Zobrazit plný text záznamu Full text from SpringerLink