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Unusually high erosion resistance of zirconium-based bulk metallic glass

Published online by Cambridge University Press:  05 November 2013

Harpreet Singh Arora ,
Harpreet Singh Grewal ,
Harpreet Singh ,
Brij Kumar Dhindaw  and
Sundeep Mukherjee
Harpreet Singh Arora
Affiliation:
Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203
Harpreet Singh Grewal
Affiliation:
School of Mechanical, Materials and Energy Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
Harpreet Singh
Affiliation:
School of Mechanical, Materials and Energy Engineering, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
Brij Kumar Dhindaw
Affiliation:
Brunel Center for Advanced Solidification Technology, Brunel University, Uxbridge, Middlesex UB8 3PH, United Kingdom
Sundeep Mukherjee*
Affiliation:
Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

The liquid impingement erosion behavior of a zirconium-based bulk metallic glass (BMG), Zr44Ti11Cu10Ni10Be25, was evaluated in this study. For comparison, commonly used hydroturbine steel was evaluated under the same test conditions. BMG demonstrated more than four times higher resistance against cavitation erosion compared with hydroturbine steel. The unusually high erosion resistance for BMG is attributed to its uniform amorphous structure with no grain boundaries, higher hardness, and ability to accommodate strain through localized shear bands.

Type
Articles
Information
Journal of Materials Research , Volume 28 , Issue 22 , 28 November 2013 , pp. 3185 - 3189
Copyright
Copyright © Materials Research Society 2013 

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