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Analysis of Localized Impact Damage in Biaxially Stressed Glass Plates
Author(s) -
KIRCHNER H. P.
Publication year - 1978
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.1151-2916.1978.tb09262.x
Subject(s) - materials science , composite material , penetration (warfare) , ultimate tensile strength , toughened glass , spheres , fracture mechanics , physics , mathematics , operations research , astronomy
A fracture mechanics method was used to estimate the impact loads necessary to cause penetration of damage to various depths in glass plates stressed biaxially to several levels. Velocities of glass spheres necessary to obtain these impact loads were calculated using Hertzian theory. Penetrations estimated for given impact velocities were compared with experimental values; those resulting from impacts on compressively stressed surfaces were much smaller than those caused by impacts on tensile surfaces.