✦ LIBER ✦

Prefatigue hysteresis effects on viscoelastic crack propagation

✍ Scribed by Akira Kobayashi; Nobuo Ohtani

Publisher: John Wiley and Sons
Year: 1977
Tongue: English
Weight: 230 KB
Volume: 21
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1977.070211022

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✦ Synopsis

Prefatigue hysteresis effects on viscoelastic crack-propagation velocity were investigated through velocity-gauge techniques at different temperature levels. It was found that prefatigue effects accelerate elastic predominance in viscoelastic dynamic crack propagation, approaching elastic brittle fracture as shown by Berry's equation. This results in greater dynamic crack-propagation velocity at any given test temperature level.

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