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Crack Origins and Microcracking in Delayed Fracture of Alumina
Author(s) -
Okada Tatsuo,
Sines George,
Green David
Publication year - 1982
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.1151-2916.1982.tb10433.x
Subject(s) - coalescence (physics) , materials science , penetrant (biochemical) , composite material , cracking , fracture mechanics , fracture (geology) , forensic engineering , chemistry , engineering , physics , organic chemistry , astrobiology
A fluorescent dye penetrant technique is used to study the onset of slow crack growth in a dense alumina. Interaction and coalescence of nearby flaws, after a very small amount of crack extension from individual flaws, appears to be the dominant mode of failure.