DataVXPhysical Review BPaper
journal article·2021-03-22

Effect of high-temperature up-quenching on stabilizing off-eutectic metallic glasses

Q. Cheng, P. F. Wang, H. Y. Jiang, L. Gu, J. Orava, Y. H. Sun, H. Y. Bai, W. H. Wang

Physical Review B· Volume 103· Issue 10
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Source abstract

Abstract

Fast-heating calorimetry is used to study in operando the vitrification mechanism of off-eutectic ${\mathrm{Yb}}47{\mathrm{Mg}}_{{}31}{\mathrm{Zn}}19{\mathrm{Cu}}3$ liquid at a cooling rate of $10\phantom{\rule{0.16em}{0ex}}000\phantom{\rule{0.16em}{0ex}}\mathrm{K}\phantom{\rule{0.16em}{0ex}}{\mathrm{s}}--1$. The glass forms only when it is quenched from between the melting and liquidus temperature, contradicting the need for full remelting. Zinc-rich precipitates, forming on quenching from above the liquidus, deteriorate vitrification---which also offers an alternative explanation to what has often been considered as liquid-liquid transition. Application of an up-quenching thermal protocol facilitates the glass formation by removing the precipitates in situ; it is generally applicable and may extend the glass-forming range of other off-eutectic glasses. This research demonstrates a strategy to develop bulk metallic glasses.
Source: openalex_inverted_index · Quality: baseline

Research context

Ceramics & glasses

OpenAlex topics: Metallic Glasses and Amorphous Alloys · Glass properties and applications · Material Dynamics and Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China

School of Physical Sciences, University of Chinese Academy of Sciences, 100049, Beijing, China

IFW Dresden, Institute for Complex Materials, Helmholtzstr. 20, 01069 Dresden, Germany

Faculty of Environment, Jan Evangelista Purkyne University in Usti nad Labem, Pasteurova 3632/15, Usti nad Labem 400 96, Czech Republic

Songshan Lake Materials Lab Dongguan, 523808, Guangdong, China

Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 100049, Beijing, China

Funding

U.S. Department of Energy · National Basic Research Program of China · Chinese Academy of Sciences · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Ministerstvo Školství, Mládeže a Tělovýchovy

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