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Influence of Particle Size Distribution on Ductile‐Phase Toughening in Brittle Materials
Author(s) -
Sun Xudong,
Yeomans Julie A.
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.tb08170.x
Subject(s) - materials science , brittleness , toughness , composite material , toughening , composite number , phase (matter) , bridging (networking) , particle size , particle size distribution , physics , chemistry , computer network , quantum mechanics , computer science
In ductile‐phase‐toughened brittle materials the size distribution of the ductile phase sometimes has a remarkable effect on toughening. An equation for predicting the toughness increment due to crack bridging, taking into account a ductile‐phase particle size distribution, has been deduced. Comparison between the toughness value predicted by the equation and that obtained from a double cantilever beam (DCB) method on a Al2O3–20 vol% Ni composite material has shown that the equation gives a more reasonable estimate of the toughness than previous equations.