Maity, Soumen and Sarkar, Bijit Kumar
(1995)
Static and impact fatigue behaviour of borosilicate glass.
Bulletin of Materials Science, 18 (7).
pp. 857-864.
ISSN 0250-4707
Abstract
Failure of a borosilicate glass as a result of repeated impact has been studied. Impact fatigue study was Conducted in an improved pendulum type repeated impact apparatus specially designed and fabricated for determining single and repeated impact strength. For elimination of the effect of humidity, repeated impact tests were carried out under liquid nitrogen. Quasi-static measurements were determined under four-point bending. Using a square waveform as applicable to the present impact tests and fracture mechanics interpretation, the number of cycles to failure during impact fatigue tests were predicted from quasi-static fatigue measurements. It has been shown that repeated impact loading has a deleterious effect on the failure cycles compared to slow stressing. The role of an added mechanical effect during repeated impacts has been suggested in controlling the cyclic fatigue behaviour.
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