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| Naji, M. |
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Shen, Jiajia
University of Exeter
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (40/40 displayed)
- 2024Unleashing the microstructural evolutions during hot deformation of as-cast AlCoCrFeNi$_{2.1}$ eutectic high entropy alloycitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe42Mn28Co10Cr15Si5 high entropy alloycitations
- 2024Unraveling the formation of L1$_{2}$ nano-precipitates within the FCC-phase in AlCoCrFeNi$_{2.1}$ eutectic high entropy alloycitations
- 2024Unleashing the microstructural evolutions during hot deformation of as-cast AlCoCrFeNi2.1 eutectic high entropy alloycitations
- 2024Quantifying efficient shape-shiftingcitations
- 2024Quantifying efficient shape-shifting:Energy barrier measurement in multi-stable lattice metamaterialscitations
- 2024Synergistic effects of Monel 400 filler wire in gas metal arc welding of CoCrFeMnNi high entropy alloycitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe 42 Mn 28 Co 10 Cr 15 Si 5 high entropy alloy:A combined in-situ synchrotron X-ray diffraction and EBSD analysiscitations
- 2024Wire arc additive manufacturing of a high-strength low-alloy steel part: environmental impacts, costs, and mechanical propertiescitations
- 2024Wire arc additive manufacturing of a high-strength low-alloy steel part ; environmental impacts, costs, and mechanical propertiescitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe42Mn28Co10Cr15Si5 high entropy alloy ; A combined in-situ synchrotron X-ray diffraction and EBSD analysiscitations
- 2024Unraveling the formation of L12 nano-precipitates within the FCC-phase in AlCoCrFeNi2.1 eutectic high entropy alloycitations
- 2023Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe42Mn28Co10Cr15Si5 metastable high entropy alloycitations
- 2023Impact of Arc‐Based Welding on the Microstructure Evolution and Mechanical Properties in Newly Developed Cr29.7Co29.7Ni35.4Al4Ti1.2 Multi‐Principal Element Alloycitations
- 2023Wire and arc additive manufacturing of Fe-based shape memory alloys ; Microstructure, mechanical and functional behaviorcitations
- 2023Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe$_{42}$Mn$_{28}$Co$_{10}$Cr$_{15}$Si$_5$ metastable high entropy alloycitations
- 2023Evolution of microstructure and mechanical properties in gas tungsten arc welded dual-phase Fe$_{50}$Mn$_{30}$Co$_{10}$Cr$_{10}$ high entropy alloycitations
- 2023Microstructures in arc-welded Al$_{10}$Co$_{25}$Cr$_{8}$Fe$_{15}$Ni$_{36}$Ti$_{6}$ and A$l_{10.87}$Co$_{21.74}$Cr$_{21.74}$Cu$_{2.17}$Fe$_{21.74}$Ni$_{21.74}$ multi-principal element alloys: Comparison between experimental data and thermodynamic predictionscitations
- 2023Microstructures in arc-welded Al10Co25Cr8Fe15Ni36Ti6 and Al10.87Co21.74Cr21.74Cu2.17Fe21.74Ni21.74 multi-principal element alloyscitations
- 2023Spinodal Decomposition of B2-phase and Formation of Cr-Rich Nano-precipitates in AlCoCrFeNi2.1 Eutectic High-Entropy Alloycitations
- 2023Wire and arc additive manufacturing of Fe-based shape memory alloys: microstructure, mechanical and functional behaviorcitations
- 2023Deformation behavior and strengthening effects of an eutectic AlCoCrFeNi2.1 high entropy alloy probed by in-situ synchrotron X-ray diffraction and post-mortem EBSDcitations
- 2023Wire and arc additive manufacturing of Fe-based shape memory alloyscitations
- 2023Evolution of microstructure and mechanical properties in gas tungsten arc welded dual-phase Fe50Mn30Co10Cr10 high entropy alloycitations
- 2022On the short-time thermal phase-stability of as-cast AlCoCrFeNi2.1 eutectic high entropy alloycitations
- 2022Gas tungsten arc welding of as-cast AlCoCrFeNi2.1 eutectic high entropy alloycitations
- 2022Improving the ductility in laser welded joints of CoCrFeMnNi high entropy alloy to 316 stainless steelcitations
- 2022Improving the ductility in laser welded joints of CoCrFeMnNi high entropy alloy to 316 stainless steelcitations
- 2022Steel-copper functionally graded material produced by twin-wire and arc additive manufacturing (T-WAAM)citations
- 2022Gas tungsten arc welding of as-cast AlCoCrFeNi$_{2.1}$ eutectic high entropy alloycitations
- 2022Wire and arc additive manufacturing of 316L stainless steel/Inconel 625 functionally graded material ; Development and characterizationcitations
- 2022Probing the stability landscape of prestressed stayed columns susceptible to mode interactioncitations
- 2022Wire and arc additive manufacturing of 316L stainless steel/Inconel 625 functionally graded material: development and characterizationcitations
- 2022Wire and arc additive manufacturing of 316L stainless steel/Inconel 625 functionally graded materialcitations
- 2021In-situ synchrotron X-ray diffraction analysis of the elastic behaviour of martensite and H-phase in a NiTiHf high temperature shape memory alloy fabricated by laser powder bed fusioncitations
- 2021Laser welding of H-phase strengthened Ni-rich NiTi-20Zr high temperature shape memory alloycitations
- 2021In-situ synchrotron X-ray diffraction analysis of the elastic behaviour of martensite and H-phase in a NiTiHf shape memory alloy fabricated by laser powder bed fusioncitations
- 2021Effect of heat treatments on 316 stainless steel parts fabricated by wire and arc additive manufacturing : Microstructure and synchrotron X-ray diffraction analysiscitations
- 2021Effect of heat treatments on 316 stainless steel parts fabricated by wire and arc additive manufacturing: Microstructure and synchrotron X-ray diffraction analysiscitations
- 2020Newton’s method for experimental path-following of nonlinear structures
Places of action
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article
Evolution of microstructure and deformation mechanisms in a metastable Fe42Mn28Co10Cr15Si5 high entropy alloy
Abstract
In this work, a combination of in-situ high synchrotron X-ray diffraction and electron backscattered diffraction were used to systematically investigate the activation and evolution of the deformation mechanisms in an as-cast Fe42Mn28Co10Cr15Si5 metastable high entropy alloy deformed until fracture at room temperature. This work unveils the critical role of the dual-phase γ-f.c.c. / ε-h.c.p. microstructure on the deformation response of the alloy. The different deformation modes, i.e., slip, transformation induced plasticity (TRIP) and transformation induced twinning (TWIP), were seen to initiate at different loading stresses and then to overlap. Quantitative microstructural characterization, which included the evolution of the phase fraction, stress partitioning, dislocation density, c/a ratio and lattice strain for different planes, was performed to elucidate the role of each phase on the macroscopic mechanical response of the metastable high entropy alloy. Furthermore, the magnitude of the different strengthening contributions has been quantified for the first time.