2023
DOI: 10.3390/cryst13101483
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Effect of Aluminum Addition on the Microstructure, Magnetic, and Mechanical Properties of FeCrCoNiMn High-Entropy Alloy

Safia Alleg,
Ahlem Bekhouche,
Hacene Hachache
et al.

Abstract: High-entropy FeCoCrNiMn (C1) and FeCoCrNiMn10Al10 (C2) alloys (HEAs) were mechanically alloyed for 24 h and heated to 900 °C (C1_900 °C and C2_900 °C). The powders were also compacted into pellets (C1_pellet and C2_pellet) and sintered at 500 °C for 1 h. Crystal structure, microstructure, magnetic, and mechanical properties were investigated by X-ray diffraction, scanning electron microscopy, vibrating sample magnetometry, and microindentation. During the milling process, a mixture of body-centered-cubic (BCC)… Show more

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Cited by 5 publications
(3 citation statements)
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“…The addition of different chemical elements in these multicomponent alloys results in a dense 'random-packed' structure, which significantly restricts atomic mobility, a crucial factor for crystallization. This, in turn, may enhance the thermal stability of the alloys [51,52].…”
Section: Resultsmentioning
confidence: 99%
“…The addition of different chemical elements in these multicomponent alloys results in a dense 'random-packed' structure, which significantly restricts atomic mobility, a crucial factor for crystallization. This, in turn, may enhance the thermal stability of the alloys [51,52].…”
Section: Resultsmentioning
confidence: 99%
“…Table 3 provides a comprehensive overview of stability criteria (Ω, Λ, ϕ Ye , and ) for the two studied alloys and a wide range of other alloys produced via mechanical alloying, drawn from various sources in the literature [ 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 ]. The table shows the reported microstructure in the as-milled state as well as in the annealed state.…”
Section: Discussionmentioning
confidence: 99%
“…The emergence of HEMs has marked a paradigm shift in materials science, introducing a novel class of materials with a unique combination of properties that are not typically found in traditional single-phase materials [1][2][3][4][5][6]. These materials, characterized by the presence of four or more principal elements in equiatomic or near-equiatomic ratios, have been shown to exhibit exceptional mechanical strength, thermal stability, and resistance to extreme environments [7][8][9].…”
Section: Introductionmentioning
confidence: 99%