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The initial course of crack velocity in glass plates

โœ Scribed by Horst Kiippers

Publisher
Springer Netherlands
Year
1967
Tongue
English
Weight
361 KB
Volume
3
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

Through help of ultrasonic methods, the increase of crack velocity in glass plates which had been grooved on one side was measured. Thereby the range of 1 m/sec to 1500 m/sec was encompassed. The measurement of the dependence of crack velocity on crack length as well as on stress (the amount of which is changed by ultrasonic waves) shows that crack velocity is plainly a function of crack extension force. Theoretical statements which describe this dependence are critically discussed.

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