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Type: Journal article
Title: Microstructural features and tensile behaviors of a novel FeMnCoCr high entropy alloys
Author: Yang, F.
Dong, L.
Hu, X.
Zhou, X.
Fang, F.
Xie, Z.
Jiang, J.
Citation: Materials Letters, 2020; 275:1-4
Publisher: Elsevier
Issue Date: 2020
ISSN: 0167-577X
Statement of
Fei Yang, Liming Dong, Xianjun Hu, XueFeng Zhou, Feng Fang, Zonghan Xie, Jianqing Jiang
Abstract: C and Si-doped FeMnCoCr high entropy alloys (HEAs) with grain size of approximate 200 μm were prepared. Quasi-in-situ EBSD was used to characterize the microstructural evolution under different tensile strains. The tensile strength of the HEAs is about 670 MPa and the fracture elongation is 47%. The single-phase FCC structure was maintained during the entire tensile procedure, whereas the deformation mechanism was found to change from dislocation slip to twinning under higher strains. Moreover, it was observed that twins are inclined to form within grains with 〈1 1 1〉 texture.
Keywords: High entropy alloys; quasi-in-situ EBSD; tensile strength; twinning; texture
Rights: © 2020 Elsevier B.V. All rights reserved
RMID: 1000022527
DOI: 10.1016/j.matlet.2020.128154
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Appears in Collections:Physics publications

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