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Published 1996 | Published
Book Section - Chapter Open

Characteristic of dynamic tensile fracture in augite-peridotite

Abstract

Planar impact experiments were carried out to induce controlled dynamic tensile fracture in augite-peridotite. Samples, backed with PMMA buffer and windows, were impacted with PMMA impactor at velocities of 30 to 160 m/s. This resulted in maximum tensile stresses were in the range of ∼50 to 290 MPa. Spall strength was determined to be ∼58.1 MPa from a particle velocity profile measurement. The spall strength/HEL ratios for augite-peridotite and several other rocks were discussed based on the Griffith's yield criterion and the experimental measurements.

Additional Information

© 1996 American Institute of Physics. Published online 05 May 1996. This study is supported by the Science Foundation of CAEP, contract number 9401001.

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