Original paper

Spall strength dependence on grain size and strain rate in tantalum

Volume: 158, Pages: 313 - 329
Published: Oct 1, 2018
Abstract
We examine the effect of grain size on the dynamic failure of tantalum during laser-shock compression and release and identify a significant effect of grain size on spall strength, which is opposite to the prediction of the Hall-Petch relationship because spall is primarily intergranular in both poly and nanocrystalline samples; thus, monocrystals have a higher spall strength than polycrystals, which, in turn, are stronger in tension than...
Paper Details
Title
Spall strength dependence on grain size and strain rate in tantalum
Published Date
Oct 1, 2018
Volume
158
Pages
313 - 329
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