CHARACTERIZATION OF SUBSURFACE DAMAGE OF EXPLOSIVELY INDENTED SILICON NITRIDE CERAMICS

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In this study, explosive indentations were used to characterize the dynamic damage behavior of silicon nitride ceramics with different microstructures. Three grades of silicon nitrides with different grain size and shape were prepared. Subsurface damage of specimens was characterized extensively using optical and electron microscopy. It was found that the dynamic damage response depends strongly on the microstructure of specimens, particularly on the glassy grain boundary phase.
Publisher
World Scientific Publishing
Issue Date
2008
Keywords

Silicon nitride; explosive indentation; dynamic indentation

Citation

International Journal of Modern Physics B, Vol.22, No.9, 10 &11, pp.1504-1509

URI
http://hdl.handle.net/10203/22766
Appears in Collection
MS-Conference Papers(학술회의논문)

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