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Acoustic emission and fatigue crack growth in rigid polyurethane foam

✍ Scribed by F. W. Noble

Publisher
Springer
Year
1983
Tongue
English
Weight
550 KB
Volume
18
Category
Article
ISSN
0022-2461

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## Absfraet -Brittle material fractures at a critical value of stress intensity factor or crack opening displacement (COD) without any prior crack growth. In the ductlk materials, however unstable fracture initiation may be preceded by a period of slow crack growth from the notch tip. Such slow cr