| Literature DB >> 29219452 |
D N Polsin1,2, D E Fratanduono3, J R Rygg1,2,4, A Lazicki3, R F Smith3, J H Eggert3, M C Gregor3, B H Henderson1,2, J A Delettrez1, R G Kraus3, P M Celliers3, F Coppari3, D C Swift3, C A McCoy5, C T Seagle5, J-P Davis5, S J Burns4, G W Collins1,2,4, T R Boehly1.
Abstract
Nanosecond in situ x-ray diffraction and simultaneous velocimetry measurements were used to determine the crystal structure and pressure, respectively, of ramp-compressed aluminum at stress states between 111 and 475 GPa. The solid-solid Al phase transformations, fcc-hcp and hcp-bcc, are observed at 216±9 and 321±12 GPa, respectively, with the bcc phase persisting to 475 GPa. The high-pressure crystallographic texture of the hcp and bcc phases suggests close-packed or nearly close-packed lattice planes remain parallel through both transformations.Entities:
Year: 2017 PMID： 29219452 DOI： 10.1103/PhysRevLett.119.175702
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161