Main Features of Designing with Brittle Materials (CROSBI ID 99891)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Rubeša, Domagoj ; Smoljan, Božo ; Danzer, Robert
engleski
Main Features of Designing with Brittle Materials
Brittle material behavior and mode of failure are contrasted with those charasteristics of ductile materials. The stochastic nature of brittle fracture, which results from the random occurrence of fracture-initiating microstructural imperfections, necessitates a probabilistic fracture mechanics approach to design with brittle materials. It is also clearly shown which main properties of brittle materials have to be optimized to improve the reliability of mechanically loaded components made of brittle materials. Important features of designing with brittle materials are elucidated and illustrated by an exemplary design calculation of a ceramic disc spring. It is shown how even environmentlly induced subcritical crack growth, charasteristic of cheramic materials, can be adequately accounted for in the assessment of relibility.
brittle materials; ceramics; designing with brittle material; probabilistic fracture mechanics
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