The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing - Université de Lorraine Access content directly
Journal Articles Materials Characterization Year : 2023

The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing

Abstract

In the present work, the role of trace Nb was investigated in enhancing the strength-ductility combination of the (Ni2CoCrFe)88.25(WMo)3Al5Ti3Nb0.75 high-entropy alloy. It was found that trace Nb can improve the heterogeneous microstructure, including the formation of the high-density (Ti, Nb)-rich phase instead of the (Ti, W, Mo)-rich phase, the refinement of σ and γ' phases, the production of the large amounts of stacking faults and Lomer-Cottrell locks. The strength-ductility combination of the alloy was enhanced via the improvement of the heterogeneous microstructure in thermo-mechanical processing. The results suggest that the addition of trace Nb is a promising method for enhancing the strength-ductility combination of this kind of alloys.
No file

Dates and versions

hal-04134524 , version 1 (20-06-2023)

Identifiers

Cite

Jiale Man, Baolin Wu, Guosheng Duan, Lu Zhang, Gang Wan, et al.. The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing. Materials Characterization, 2023, 200, pp.112866. ⟨10.1016/j.matchar.2023.112866⟩. ⟨hal-04134524⟩
11 View
0 Download

Altmetric

Share

Gmail Mastodon Facebook X LinkedIn More