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|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|
|Citation:||Materials Letters, 2021; 283:128918-1-128918-4|
|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.|
|Appears in Collections:||Aurora harvest 4|
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