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Dynamics and morphology of cracks in silicon nitride films: a molecular dynamics study on parallel computers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Multiresolution molecular dynamics approach on parallel computers has been used to investigate fracture in ceramic materials. In microporous silica, critical behavior at fracture is analyzed in terms of pore percolation and kinetic roughening of fracture surfaces. Crack propagation in amorphous silicon nitride films is investigated, and a correlation between the speed of crack propagation and the morphology of fracture surfaces is observed. In crystalline silicon nitride films, temperature-assisted void formation in front of a crack tip slows down crack propagation.
Original languageEnglish
Title of host publicationMaterials Research Society Symposium - Proceedings
Pages11-22
Number of pages12
Volume409
StatePublished - Jan 1 1996
Externally publishedYes

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