In situ correlation between metastable phase-transformation mechanism and kinetics in a metallic glass

Jiri Orava (), Shanoob Balachandran (), Xiaoliang Han (), Olga Shuleshova, Ebrahim Nurouzi, Ivan Soldatov, Steffen Oswald, Olof Gutowski, Oleh Ivashko, Ann-Christin Dippel, Martin v. Zimmermann, Yurii P. Ivanov, A. Lindsay Greer, Dierk Raabe, Michael Herbig and Ivan Kaban ()
Additional contact information
Jiri Orava: Institute for Complex Materials
Shanoob Balachandran: Max-Planck-Institut für Eisenforschung
Xiaoliang Han: Institute for Complex Materials
Olga Shuleshova: Institute for Complex Materials
Ebrahim Nurouzi: Max-Planck-Institut für Eisenforschung
Ivan Soldatov: Institute for Metallic Materials
Steffen Oswald: Institute for Complex Materials
Olof Gutowski: Deutsches Elektronen-Synchrotron DESY
Oleh Ivashko: Deutsches Elektronen-Synchrotron DESY
Ann-Christin Dippel: Deutsches Elektronen-Synchrotron DESY
Martin v. Zimmermann: Deutsches Elektronen-Synchrotron DESY
Yurii P. Ivanov: University of Cambridge
A. Lindsay Greer: University of Cambridge
Dierk Raabe: Max-Planck-Institut für Eisenforschung
Michael Herbig: Max-Planck-Institut für Eisenforschung
Ivan Kaban: Institute for Complex Materials

Nature Communications, 2021, vol. 12, issue 1, 1-13

Abstract: Abstract A combination of complementary high-energy X-ray diffraction, containerless solidification during electromagnetic levitation and transmission electron microscopy is used to map in situ the phase evolution in a prototype Cu-Zr-Al glass during flash-annealing imposed at a rate ranging from 102 to 103 K s−1 and during cooling from the liquid state. Such a combination of experimental techniques provides hitherto inaccessible insight into the phase-transformation mechanism and its kinetics with high temporal resolution over the entire temperature range of the existence of the supercooled liquid. On flash-annealing, most of the formed phases represent transient (metastable) states – they crystallographically conform to their equilibrium phases but the compositions, revealed by atom probe tomography, are different. It is only the B2 CuZr phase which is represented by its equilibrium composition, and its growth is facilitated by a kinetic mechanism of Al partitioning; Al-rich precipitates of less than 10 nm in a diameter are revealed. In this work, the kinetic and chemical conditions of the high propensity of the glass for the B2 phase formation are formulated, and the multi-technique approach can be applied to map phase transformations in other metallic-glass-forming systems.

Date: 2021
References: Add references at CitEc
Citations:

Downloads: (external link)
https://www.nature.com/articles/s41467-021-23028-9 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23028-9

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-021-23028-9

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().