Thermal Deformation Behavior and Processing Map of a Novel CrFeNiSi0.15 Medium Entropy Alloy

Zhang, Hongbin; Chen, Kang; Wang, Zhongwei; Zhou, Haiping; Shi, Chengcheng; Qin, Shengxue; Liu, Jie; Lv, Tingjun; Xu, Jian

doi:10.1007/s40195-023-01606-8

Acta Metall. Sin. (Engl. Lett.)

2023

DOI: 10.1007/s40195-023-01606-8

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Thermal Deformation Behavior and Processing Map of a Novel CrFeNiSi0.15 Medium Entropy Alloy

Hongbin Zhang,

Kang Chen,

Zhongwei Wang

et al.

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2024

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Cited by 3 publications

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Hot Deformation Behavior and Workability of a New Ni–W–Cr Superalloy for Molten Salt Reactors

Liu,

Zhou,

et al. 2024

Acta Metall. Sin. (Engl. Lett.)

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Hot Deformation Behavior and Workability of a New Ni–W–Cr Superalloy for Molten Salt Reactors

Liu,

Zhou,

et al. 2024

Acta Metall. Sin. (Engl. Lett.)

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The thermal deformation behavior and processing map of TC9 titanium alloy

Zhang,

Huang

et al. 2024

Journal of Materials Research and Technology

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Microstructure and Oxidation Behaviors of (TiVCr)2AlC MAX-Phase Coatings Prepared by Magnetron Sputtering

Zhu,

Zheng,

Chen

et al. 2024

Coatings

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A solid solution is an effective approach to regulate the microstructure and hence the various properties such as hardness and oxidation behavior of materials. In this study, an M-site solid-solution medium-entropy-alloy MAX-phase coating (TiVCr)2AlC was prepared through combining the magnetron sputter deposition at low- and high-temperature vacuum annealing. The mechanical properties and high-temperature oxidation resistance in the 700–1000 °C temperature range in air of these coatings were then evaluated. The results showed that the 211-MAX-phase can be formed in the 700 °C vacuum for 3 h, and the crystallinity depended on the annealing temperature. Compared to the amorphous coating, the MAX-phase sample demonstrated superior oxidation resistance in terms of the onset temperature of the oxidation and the oxidation products. During high-temperature oxidation, a mixed oxide layer containing V2O5, TiO2, and Cr2O3 was formed at 700 °C on the surface of an amorphous coating, whereas only a thin continuous Al2O3 scale was observed at ≤800 °C for the crystalline (TiVCr)2AlC coating. Additionally, the maximum hardness of the coating reached 18 GPa after annealing. These results demonstrate the application potential of the medium-entropy-alloy MAX-phase coating in extreme environments such as aerospace, nuclear energy, and other fields.

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Thermal Deformation Behavior and Processing Map of a Novel CrFeNiSi0.15 Medium Entropy Alloy

Cited by 3 publications

References 37 publications

Hot Deformation Behavior and Workability of a New Ni–W–Cr Superalloy for Molten Salt Reactors

Hot Deformation Behavior and Workability of a New Ni–W–Cr Superalloy for Molten Salt Reactors

The thermal deformation behavior and processing map of TC9 titanium alloy

Microstructure and Oxidation Behaviors of (TiVCr)2AlC MAX-Phase Coatings Prepared by Magnetron Sputtering

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