Journal
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
Volume 83, Issue -, Pages 28-36Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2015.04.001
Keywords
Spalling; Dynamic strength; Brittle materials; Strain-rate effect
Categories
Funding
- National Science Foundation of China [10872035, 11390362]
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An analytical method for the spalling phenomenon of brittle materials is presented, based on the analytical expression, for the dynamic tensile strength of brittle materials with respect to the local strain rate, proposed by us before. The numerical results are in good agreement with previous experimental data and computational results by using the FEM method. Moreover, it also provides an indirect verification for the viewpoint that the dynamic tensile load-carrying capacity of brittle materials can be determined by the quasistatic material parameters and the boundary loading, or, in other words, the so called strain-rate effect on the material strength should not be considered as an intrinsic material property anymore, as argued recently by the authors. (C) 2015 Elsevier Ltd. All rights reserved.
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