NASA NTRS · 19860063158
Dynamic fracture toughness
Abstract
Dynamic fracture toughness versus crack velocity relations of Homalite-100, polycarbonate, hardened 4340 steel and reaction bonded silicon nitride are reviewed and discrepancies with published data and their probable causes are discussed. Data scatter in published data are attributed in part to the observed fluctuations in crack velocities. The results reaffirmed our previous conclusion that the dynamic fracture toughness versus crack velocity relation is specimen dependent and that the dynamic arrest stress intensity factor is not a unique material property.
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Kobayashi, A. S., Ramulu, M., Dadkhah, M. S., Yang, K.-H., Kang, B. S. J.. 1986-04-01. Dynamic fracture toughness. https://ntrs.nasa.gov/citations/19860063158
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