Corrosion behavior of TiZrHfBeCu(Ni) high-entropy bulk metallic glasses in 3.5 wt. % NaCl

被引：63

作者：

Gong, Pan ^{[1
,2
]}

Wang, Dongliang ^{[1
]}

Zhang, Cheng ^{[1
]}

Wang, Ying ^{[3
]}

Jamili-Shirvan, Zahra ^{[4
]}

Yao, Kefu ^{[5
]}

Wang, Xinyun ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China

[2] Huazhong Univ Sci & Technol Shenzhen, Res Inst, Shenzhen 518057, Peoples R China

[3] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430000, Peoples R China

[4] Esfarayen Univ Technol, Esfarayen, North Khorasan, Iran

[5] Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

NPJ MATERIALS DEGRADATION | 2022年 / 6卷 / 01期

基金：

国家重点研发计划;

关键词：

ATOMIC MOBILITY; ELECTROCHEMICAL PROPERTIES; PASSIVE FILMS; NI; ALLOYS; CO; RESISTANCE; GD; FE25CO25NI25(P; SIZE;

D O I：

10.1038/s41529-022-00287-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion behavior of TiZrHfBeCu(Ni) high-entropy bulk metallic glasses (HE-BMGs) has been investigated. The TiZrHfBeCu(Ni) HE-BMGs exhibited high corrosion resistance in 3.5 wt. % NaCl solution because of accumulation of ZrO2 and TiO2 in the passive film. Ni promoted increases of the ZrO2, TiO2, and HfO2 contents and a decrease of the BeO content, which improved the HE-BMG corrosion behavior. Compared with Zr41.2Ti13.8Ni10Cu12.5Be22.5 BMG, the high-entropy effect of HE-BMGs can significantly reduce the atomic mobility, which inhibits outward migration of Cu, reduces the kinetics of the dissolution reaction, and inhibits inward erosion by Cl-, thereby improving the corrosion performance.

引用

页数：14

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