The fracture energy of materials under pulse microsecond-scale loading

The fracture energy of materials under pulse microsecond-scale loading

Based on the results of fracture in polymethyl methacrylate and a spheroplastic using a magnetic-pulse setup, the specific work of the formation of a new surface is estimated, which is similar to Griffith’s surface energy for quasi-static tests. The value obtained is greater than the corresponding v...

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Veröffentlicht in:Physics of the solid state 2003-05, Vol.45 (5), p.886-889
Hauptverfasser: Gruzdkov, A. A., Krivosheev, S. I., Petrov, Yu. V.
Format: Artikel
Sprache:eng
Schlagworte:
Polymethyl methacrylate
Static tests
Surface energy
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Zusammenfassung:Based on the results of fracture in polymethyl methacrylate and a spheroplastic using a magnetic-pulse setup, the specific work of the formation of a new surface is estimated, which is similar to Griffith’s surface energy for quasi-static tests. The value obtained is greater than the corresponding value determined from the quasi-static tests by an order of magnitude and tends to increase as the loading time decreases.
ISSN:1063-7834
1090-6460
DOI:10.1134/1.1575328