Unusually high erosion resistance of zirconium-based bulk metallic glass

被引:3
作者
Arora, Harpreet Singh [1 ]
Grewal, Harpreet Singh [2 ]
Singh, Harpreet [2 ]
Dhindaw, Brij Kumar [3 ]
Mukherjee, Sundeep [1 ]
机构
[1] Univ N Texas, Dept Mat Sci & Engn, Denton, TX 76203 USA
[2] Indian Inst Technol Ropar, Sch Mech Mat & Energy Engn, Rupnagar 140001, Punjab, India
[3] Brunel Univ, Brunel Ctr Adv Solidificat Technol, Uxbridge UB8 3PH, Middx, England
关键词
CAVITATION EROSION; SUPERCOOLED LIQUID; NANOINDENTATION; BEHAVIOR;
D O I
10.1557/jmr.2013.298
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页码:3185 / 3189
页数:5
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