Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session Y18: Materials at Extreme Conditions: Static High-Pressure
11:15 AM–2:15 PM,
Friday, March 9, 2018
LACC
Room: 306B
Sponsoring
Units:
GSCCM DMP DCOMP
Chair: Yuejian Wang, Oakland University
Abstract ID: BAPS.2018.MAR.Y18.14
Abstract: Y18.00014 : Energy-dispersive X-ray diffraction and white-beam radiography on bulk metallic glass, Zr58.5Cu15.6Ni12.8Al10.3Nb2.8 to 5.03 GPa and 800 °C.*
1:51 PM–2:03 PM
Presenter:
Kathryn Ham
(Physics, Univ of Alabama - Birmingham)
Authors:
Kathryn Ham
(Physics, Univ of Alabama - Birmingham)
Yogesh Vohra
(Physics, Univ of Alabama - Birmingham)
Yoshio Kono
(HPCAT, Geophysical Laboratory, Carnegie Institution of Washington)
Andrew Wereszczak
(Materials Science and Technology Division, , Oak Ridge National Laboratory)
Energy-dispersive X-ray diffraction and white-beam radiography have been conducted on a sample of Materion Vit 106a bulk metallic glass, Zr58.5Cu15.6Ni12.8Al10.3Nb2.8 (at %) under high pressure and high temperature conditions. The sample was compressed at room temperature to 5.03 GPa using a Paris-Edinburgh (PE) Press at Beamline 16-BM-B, HPCAT of the Advanced Photon Source and then was heated to 800 °C . The measured structure factor, S(q) to a large q = 19 Å-1, was used to determine information about the internuclear bond distances between various species of atoms within the bulk metallic glass sample. The sample pressure was determined with MgO as the pressure standard. The first sharp diffraction peak (FSDP) of the S(q) function shifts from 2.58 Å-1 at ambient conditions to 2.63 Å-1 at 5.03 GPa.
*The authors acknowledge support from the US Army Research Office under grant No. W911NF-15-10614 through the University of Tennessee Knoxville. Kathryn Ham acknowledges support from the US Department of Education, Graduate Assistance in Areas of National Need (GAANN) program under Award P200A150001.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.Y18.14
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