X-Ray Diffraction Crystallization Studies on a Zr-Based Bulk Metallic Glass under High-Pressure and High-Temperature

ORAL

Abstract

X-ray diffraction crystallization studies were conducted on bulk metallic glass, Zr58.5Cu15.6Ni12.8Al10.3Nb2.8. Each sample was compressed using a Paris-Edinburgh Press at Beamline 16-BM-B, HPCAT, of the Advanced Photon Source, and heated to 800°C. MgO was used as a pressure standard for this experiment, and two constant heating rates, 2.9°C/min and 6.0°C/min were invesitgated. A heating rate dependence was seen in the crystallization temperature, with a faster heating rate corresponding to a higher crystallization temperature for the full pressure range tested.

*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 program under Award P200A150001. Portions of this work were performed at HPCAT (Sector 16), Advanced Photon Source (APS), Argonne National Laboratory. HPCAT operations are supported by DOE-NNSA under award No. DE-NA0001974 with partial instrumentation funding by NSF. The Advanced Photon Source is a US Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357.

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Presenters

  • Kathryn Ham

    • University of Alabama at Birmingham

Authors

  • Kathryn Ham

    • University of Alabama at Birmingham

  • Yogesh Kumar Vohra

    • Department of Physics, University of Alabama at Birmingham
    • University of Alabama at Birmingham

  • Rostislav Hrubiak

    • HPCAT, The Advanced Photon Source, Argonne National Laboratory
    • High Pressure Collaborative Access Team (HP-CAT), Argonne National Laboratory

  • Curtis Kenny-Benson

    • HPCAT, The Advanced Photon Source, Argonne National Laboratory

  • Andrew Wereszczak

    • Materials Science and Technology Division, Oak Ridge National Laboratory