Abstract
AbstractMagnetic loading was used to shocklessly compress four different metals to extreme pressures. Velocimetry monitored the behavior of the material as it was loaded to a desired peak state and then decompressed back down to lower pressures. Two distinct analysis methods, including a wave profile analysis and a novel Bayesian calibration approach, were employed to estimate quantitative strength metrics associated with the loading reversal. Specifically, we report for the first time on strength estimates for tantalum, gold, platinum, and iridium under shockless compression at strain rates of $$\sim 5 \times 10^5$$
∼
5
×
10
5
/s in the pressure range of $$\sim $$
∼
100–400 GPa. The magnitude of the shear stresses supported by the different metals under these extreme conditions are surprisingly similar, representing a dramatic departure from ambient conditions.
Funder
National Nuclear Security Administration
Publisher
Springer Science and Business Media LLC
Subject
Mechanics of Materials,Materials Science (miscellaneous)
Cited by
23 articles.
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