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Hardness Variations in Multilayered ZrO 2 ‐Al 2 O 3 Composites
Author(s) -
Mumm Daniel R.,
Marshall David B.,
Griffin Alair,
Griffin Curtis W,
Turner Colleen S.
Publication year - 1996
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1996.tb08607.x
Subject(s) - materials science , composite material , cubic zirconia , laminar flow , layer (electronics) , volume (thermodynamics) , indentation hardness , mineralogy , microstructure , ceramic , geology , physics , quantum mechanics , thermodynamics
The hardness of zirconia‐alumina laminar composites has been measured over contact size scales ranging from much smaller to much larger than the layer thicknesses. The results correlate with a weighted average of the hardnesses of the two layer constituents based on the volume of the plastic zone; and they deviate significantly from a similar average based on the contact area.