2021
DOI: 10.1016/j.msea.2021.141085
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High entropy alloys – Tunability of deformation mechanisms through integration of compositional and microstructural domains

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Cited by 98 publications
(20 citation statements)
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“…Besides these effects, chemical short range ordering (CSRO) has a significant impact on the mechanical properties, as it is proved to facilitate phase transformations in HEAs [21]. The CSRO has direct correlation with the activation energy of phase transformation from FCC to HCP phase in CoCrNi alloys [22].…”
Section: The Short-range Orderingmentioning
confidence: 99%
See 1 more Smart Citation
“…Besides these effects, chemical short range ordering (CSRO) has a significant impact on the mechanical properties, as it is proved to facilitate phase transformations in HEAs [21]. The CSRO has direct correlation with the activation energy of phase transformation from FCC to HCP phase in CoCrNi alloys [22].…”
Section: The Short-range Orderingmentioning
confidence: 99%
“…The CSRO has direct correlation with the activation energy of phase transformation from FCC to HCP phase in CoCrNi alloys [22]. The presence of SRO increases the Stacking Fault Energy (SFE) and yield strength in several alloys; it has been proved for CoCrNi alloys both experimentally and computationally [21][22][23]. A study using reverse Monte-Carlo suggests that the presence of SRO in TiVNb alloys is responsible for forming the FCC supercells in the alloy [21,24].…”
Section: The Short-range Orderingmentioning
confidence: 99%
“…The most-used fabrication method is arc melting; Figure 9 shows the schematic diagram of the operation method. Shortcomings of the arc melting process, as mentioned by Gao et al [ 37 ], include difficulties in controlling the solidification process by virtue of an inevitable rapid solidification, which causes changes in microstructural characteristics in regions near the surface and the centre. Thus, this leads to a limited versatility in fine tuning macroscopic properties.…”
Section: The Impact Of Processing Route On Alloy Performancementioning
confidence: 99%
“… Hypothetical stress-strain curve of HEAs’ design approach by employing micromechanisms induced by composition and structure. Adapted from [ 37 ]. …”
Section: Figurementioning
confidence: 99%
“…These defects serve as high energy sites for initiating and accelerating phase transformations. Such defect mediated heterogenous nucleation is an essential microstructural design tool in the context of High Entropy Alloys (HEAs) or Complex Concentrated Alloys (CCAs) for tuning their mechanical properties [1][2][3]. The significance of heterogeneous nucleation is specifically escalated in the case of multicomponent HEAs/CCAs, as most of these alloys are associated with complex phase fields comprising of multiple equilibrium phases [4,5], The nucleation and growth of these phases, is influenced by competing processes such as recovery and recrystallization, typically associated with the aforementioned defect structures.…”
Section: Introductionmentioning
confidence: 99%