Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite

Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite

In this work, a small amount of Nb has been added in a Zr<sub>52</sub>Cu<sub>42.5</sub>Al<sub>5.5</sub> bulk metallic glass, and a Zr<sub>52</sub>Cu<sub>42</sub>Al<sub>5.5</sub>Nb<sub>0.5</sub> bulk metallic glass co...

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Main Authors: Tuo Wang, Xiaohui Yang, Qiang Li, Chuntao Chang
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Metals
Subjects:
bulk metallic glass composite
plasticity
dual-glass
nanocrystallization
Online Access:https://www.mdpi.com/2075-4701/10/9/1158
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spelling doaj-b793014b0bae4a53854efff4e0ceb8722020-11-25T03:48:12ZengMDPI AGMetals2075-47012020-08-01101158115810.3390/met10091158Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass CompositeTuo Wang0Xiaohui Yang1Qiang Li2Chuntao Chang3School of Physics Science and Technology, Xinjiang University, Urumqi 830046, ChinaInstrumental Analysis Center, Taiyuan University of Science and Technology, Taiyuan 030024, ChinaSchool of Physics Science and Technology, Xinjiang University, Urumqi 830046, ChinaSchool of Mechanical Engineering, Dongguan University of Technology, Dongguan 523808, ChinaIn this work, a small amount of Nb has been added in a Zr<sub>52</sub>Cu<sub>42.5</sub>Al<sub>5.5</sub> bulk metallic glass, and a Zr<sub>52</sub>Cu<sub>42</sub>Al<sub>5.5</sub>Nb<sub>0.5</sub> bulk metallic glass composite with dual-amorphous and nanocrystal structures has been developed for the first time. This in situ formed bulk metallic glass composite has a larger room compressive plasticity of above 13% than that of the Zr<sub>52</sub>Cu<sub>42.5</sub>Al<sub>5.5</sub> bulk metallic glass. The excellent plasticity of the bulk metallic glass composite is attributed to the phase-separated matrix with micro-nanocrystal and the nanocrystallization during the deforming process. This work may give a new sight into design bulk metallic glass composites and the underlying mechanism for deformation.https://www.mdpi.com/2075-4701/10/9/1158bulk metallic glass compositeplasticitydual-glassnanocrystallization
collection DOAJ
language English
format Article
sources DOAJ
author Tuo Wang
Xiaohui Yang
Qiang Li
Chuntao Chang
spellingShingle Tuo Wang
Xiaohui Yang
Qiang Li
Chuntao Chang
Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
Metals
bulk metallic glass composite
plasticity
dual-glass
nanocrystallization
author_facet Tuo Wang
Xiaohui Yang
Qiang Li
Chuntao Chang
author_sort Tuo Wang
title Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
title_short Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
title_full Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
title_fullStr Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
title_full_unstemmed Improvement the Plasticity via Dual-Amorphous and Nanocrystals Synergistically in a Zr-Cu-Al-Nb Bulk Metallic Glass Composite
title_sort improvement the plasticity via dual-amorphous and nanocrystals synergistically in a zr-cu-al-nb bulk metallic glass composite
publisher MDPI AG
series Metals
issn 2075-4701
publishDate 2020-08-01
description In this work, a small amount of Nb has been added in a Zr<sub>52</sub>Cu<sub>42.5</sub>Al<sub>5.5</sub> bulk metallic glass, and a Zr<sub>52</sub>Cu<sub>42</sub>Al<sub>5.5</sub>Nb<sub>0.5</sub> bulk metallic glass composite with dual-amorphous and nanocrystal structures has been developed for the first time. This in situ formed bulk metallic glass composite has a larger room compressive plasticity of above 13% than that of the Zr<sub>52</sub>Cu<sub>42.5</sub>Al<sub>5.5</sub> bulk metallic glass. The excellent plasticity of the bulk metallic glass composite is attributed to the phase-separated matrix with micro-nanocrystal and the nanocrystallization during the deforming process. This work may give a new sight into design bulk metallic glass composites and the underlying mechanism for deformation.
topic bulk metallic glass composite
plasticity
dual-glass
nanocrystallization
url https://www.mdpi.com/2075-4701/10/9/1158
work_keys_str_mv AT tuowang improvementtheplasticityviadualamorphousandnanocrystalssynergisticallyinazrcualnbbulkmetallicglasscomposite
AT xiaohuiyang improvementtheplasticityviadualamorphousandnanocrystalssynergisticallyinazrcualnbbulkmetallicglasscomposite
AT qiangli improvementtheplasticityviadualamorphousandnanocrystalssynergisticallyinazrcualnbbulkmetallicglasscomposite
AT chuntaochang improvementtheplasticityviadualamorphousandnanocrystalssynergisticallyinazrcualnbbulkmetallicglasscomposite
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