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A Prediction on the Strength of Glass Following the Formation of Subsurface Flaws by Scribing
Author(s) -
Cheng Weili,
Finnie Iain
Publication year - 1992
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.1151-2916.1992.tb05612.x
Subject(s) - soda lime glass , cracking , materials science , ultimate tensile strength , composite material , residual strength , mineralogy , geology
An analysis is presented to predict the strength of glass after subsurface cracking is produced by drawing a lightly loaded angular particle across the surface. It is shown that the presence of subsurface cracks combined with the residual stresses introduced by such scratches under very small loads greatly lowers the strength of glass. The predicted ranges of tensile strength for soda–lime glass in dry and moist environments are in agreement with typical values in the literature.