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Type: Journal article
Title: A novel as-cast NbTiC₂/FeCrNiCu high entropy alloy matrix composite with remarkable tensile properties
Other Titles: A novel as-cast NbTiC(2)/FeCrNiCu high entropy alloy matrix composite with remarkable tensile properties
Author: Huang, S.
Wu, H.
Zhu, H.
Xie, Z.
Citation: Materials Letters, 2021; 283:128918-1-128918-4
Publisher: Elsevier
Issue Date: 2021
ISSN: 0167-577X
Statement of
Sirui Huang, Hao Wu, Heguo Zhu, Zonghan Xie
Abstract: The high entropy alloy matrix composite FeCrNiCu on the basis of the face-centerd cubic structure and reinforced with 5 vol% NbTiC2 particles was synthesized by vacuum induction melting. NbTiC2 particles are found to be densely distributed on the substrate in polygonal shapes. The tensile strength of the NbTiC2/FeCrNiCu high entropy alloy matrix increased phenomenally, from 517.5 MPa to 1148.8 MPa. Though the ductility of composite is lower than the matrix, but it still presents an acceptable value of 7.1%. It is found that dislocation strengthening, loading bearing effect and Orowan mechanism are positive for enhancing the tensile properties of the high entropy alloy.
Keywords: Composite materials; NbTiC2; particles; microstructure; tensile properties
Rights: © 2020 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.matlet.2020.128918
Grant ID: ARC
Appears in Collections:Aurora harvest 4
Physics publications

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