Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys

We reported here the studies of a series of Zr20Ti20Hf20M20Be20 (M = Cu, Ni and Co) quinary high entropy bulk metallic glasses. Glasses with critical diameters (Dc) of 3 mm, 8 mm and 5 mm, respectively has been successfully fabricated by copper mold casting. Strikingly, a plastic strain of 11.6% is...

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Main Authors:	Haitao Zong, Chenchen Geng, Chaoyang Kang, Guohua Cao, Linyan Bian, Lixin Li, Baoqing Zhang, Ming Li
Format:	Article
Language:	English
Published:	Elsevier 2018-03-01
Series:	Results in Physics
Online Access:	http://www.sciencedirect.com/science/article/pii/S2211379717322027

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spelling	doaj-3057bba56df44e7887223580a88c2bb22020-11-24T21:33:14ZengElsevierResults in Physics2211-37972018-03-018253256Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloysHaitao Zong0Chenchen Geng1Chaoyang Kang2Guohua Cao3Linyan Bian4Lixin Li5Baoqing Zhang6Ming Li7School of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China; Corresponding authors.School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, ChinaSchool of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, China; Corresponding authors.We reported here the studies of a series of Zr20Ti20Hf20M20Be20 (M = Cu, Ni and Co) quinary high entropy bulk metallic glasses. Glasses with critical diameters (Dc) of 3 mm, 8 mm and 5 mm, respectively has been successfully fabricated by copper mold casting. Strikingly, a plastic strain of 11.6% is achieved in the Zr20Ti20Hf20Cu20Be20 metallic glass. The dynamic fragility the Zr20Ti20Hf20Cu20Be20 alloy is determined from calorimetric measurements. The excellent plasticity is explained to be attributed to relatively higher fragility. Keywords: High entropy alloys, Bulk metallic glasses, Glass forming ability, Mechanical property and fragilityhttp://www.sciencedirect.com/science/article/pii/S2211379717322027
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Haitao Zong Chenchen Geng Chaoyang Kang Guohua Cao Linyan Bian Lixin Li Baoqing Zhang Ming Li
spellingShingle	Haitao Zong Chenchen Geng Chaoyang Kang Guohua Cao Linyan Bian Lixin Li Baoqing Zhang Ming Li Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys Results in Physics
author_facet	Haitao Zong Chenchen Geng Chaoyang Kang Guohua Cao Linyan Bian Lixin Li Baoqing Zhang Ming Li
author_sort	Haitao Zong
title	Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys
title_short	Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys
title_full	Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys
title_fullStr	Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys
title_full_unstemmed	Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys
title_sort	excellent glass forming ability and plasticity in high entropy zr20ti20hf20m20be20 (m = cu, ni, co) alloys
publisher	Elsevier
series	Results in Physics
issn	2211-3797
publishDate	2018-03-01
description	We reported here the studies of a series of Zr20Ti20Hf20M20Be20 (M = Cu, Ni and Co) quinary high entropy bulk metallic glasses. Glasses with critical diameters (Dc) of 3 mm, 8 mm and 5 mm, respectively has been successfully fabricated by copper mold casting. Strikingly, a plastic strain of 11.6% is achieved in the Zr20Ti20Hf20Cu20Be20 metallic glass. The dynamic fragility the Zr20Ti20Hf20Cu20Be20 alloy is determined from calorimetric measurements. The excellent plasticity is explained to be attributed to relatively higher fragility. Keywords: High entropy alloys, Bulk metallic glasses, Glass forming ability, Mechanical property and fragility
url	http://www.sciencedirect.com/science/article/pii/S2211379717322027
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Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys

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Excellent glass forming ability and plasticity in high entropy Zr20Ti20Hf20M20Be20 (M = Cu, Ni, Co) alloys