An integration study of corrosion and mechanical behaviors of Ti-/Zr-/Hf-doped cobalt-based high-entropy alloys

Wang, Wei; Mu, Wangzhong; Han, Ming; Zhang, Yi; Wang, Nan; Zhang, Wenda; Li, Zhou; Weng, Zhankun; Liaw, Peter K.

doi:10.1016/j.matdes.2025.114230

articleMaterials & DesignJun 11, 2025GOLD OA

An integration study of corrosion and mechanical behaviors of Ti-/Zr-/Hf-doped cobalt-based high-entropy alloys

WWWei Wang WMWangzhong Mu MHMing Han YZYi Zhang NWNan Wang

Northeast Electric Power University · Luleå University of Technology · +5 more institutions

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Abstract

• A novel high entropy alloy system has been designed with superb mechanical property and corrosion resistance. • Effect of Ti/Zr/Hf on microstructure and corrosion resistance of novel dual phase high entropy alloys have been investigated. • A synergic study of calculation of phase diagram (CALPHAD), microstructure characterization, mechanical properties and corrosion resistance tests have been performed in a novel alloy recipe. Dual-phase cobalt-based entropic alloys doped with Ti-/Zr-/Hf have been investigated in the present work. Thermodynamic calculations have been conducted to predict the phase evolution. The effect of two types of processes (homogenization and cryogenic treatment) on microstructures and…

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Topics & keywords

Topics

Keywords

Materials science
High entropy alloys
Cobalt
Corrosion
Doping
Dual (grammatical number)
Metallurgy
Phase (matter)

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