2019
DOI: 10.1016/j.matchar.2019.03.006
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The strengthening effects of relatively lightweight AlCoCrFeNi high entropy alloy

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Cited by 96 publications
(16 citation statements)
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“…The AlCrFeCoNi HEA system has also been synthesized by Kuwabara et al [ 134 ] and Fujieda et al [ 135 ] using the selective electron beam melting (SEBM) AM technique. The microstructure of the SEBM HEA exhibited a BCC and a B2 phase, same as that reported when processed through the melting and casting route, despite the rapid solidification of the SEBM process [ 16 , 28 ]. In addition to the BCC microstructure, an FCC phase was observed at the bottom of the SEBM-fabricated HEA.…”
Section: Microstructural Evolution Of Heas Fabricated By Additive Manufacturing (Am)supporting
confidence: 65%
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“…The AlCrFeCoNi HEA system has also been synthesized by Kuwabara et al [ 134 ] and Fujieda et al [ 135 ] using the selective electron beam melting (SEBM) AM technique. The microstructure of the SEBM HEA exhibited a BCC and a B2 phase, same as that reported when processed through the melting and casting route, despite the rapid solidification of the SEBM process [ 16 , 28 ]. In addition to the BCC microstructure, an FCC phase was observed at the bottom of the SEBM-fabricated HEA.…”
Section: Microstructural Evolution Of Heas Fabricated By Additive Manufacturing (Am)supporting
confidence: 65%
“…For instance, AlCoCrFeNi HEAs fabricated using the melting and casting route have been shown to exhibit BCC + B2 phases with dendritic microstructures [ 26 , 27 ]. Tian et al [ 28 ] studied the effect of different cooling rates using arc-melting processing routes in the fabrication of AlCoCrFeNi HEAs. Both studies observed nanoparticles of the B2 phase within the grains of the single-phase BCC structure.…”
Section: Microstructural Evolution Of Heas Synthesized Through the Melting And Casting Routementioning
confidence: 99%
“…The most widely used casting method for high-entropy alloys is arc melting [73], and vacuum induction melting (VIM) [74]. Tian et al [75] compared the properties of AlCoCrFeNi alloy obtained through induction levitation melting and arc melting. The sample obtained by induction levitation melting had higher yield strength (1631 MPa) and microhardness (519 HV) compared to the sample obtained by arc melting (1209 MPa and 493 HV).…”
Section: Manufacturing Methodsmentioning
confidence: 99%
“…In addition, the relatively larger temperature gradient (Figure 16(e2)) and higher cooling rate (Figure 17) result in insufficient flow and heat transfer inside the nugget, which inhibits heterogeneous growth and results in a high volume fraction of interdendritic regions (Tian et al, 2019), as shown in Figure 19(c). The liquid metal solidifies gradually from the edge of the nugget to its center.…”
Section: Influencing Mechanism Of the Magnetic Field On Weld Macro-and Microstructuresmentioning
confidence: 99%