Effect of elemental interaction on microstructure of CuCrFeNiMn high entropy alloy system

Effect of elemental interaction on microstructure and mechanical properties of FeCoNiCuAl alloys

“…Therefore, the Cu atoms are rejected to the grain boundary during solidification, and form Cu-rich solid solution in the FeCoNiCuAl alloy. The phenomenon has also been observed in other systems [2,19,20,22]. Though the mixing enthalpies between Si and Cu are À 19 kJ/mol, it is still a relative positive value among the mixing enthalpies between Si and the other elements.…”

“…It has been reported that the small atomic size differences and nearzero values of the absolute enthalpy of mixing are responsible for the formation of disorder solid solutions [8]. The microstructure and properties of the alloys display strong dependence on the composition [9][10][11][12][13][14][15][16][17][18][19][20][21][22]. Vanadium addition to the Al 0.5 CoCrCuFeNi alloys enhances the formation of a body-centered-cubic (BCC) structure and a s phase [9].…”

Laser cladding of high-entropy alloy on H13 steel

“…In this study, the formation of the FCC solid solution phase in the coating layer is due to the deviation of compositions, especially Al and Fe, from the nominal one caused by the evaporation of Al and the dilution of Fe into the cladding layer from the substrate during LC, respectively. Among the components of the Al-Co-Cr-Cu-Fe-Ni HEA system, Al is a strong BCC former and Fe has no effect on the crystal structure [10,11]. Thus, the decrease of Al due to evaporation during LC results in the occurrence of FCC solid solution phase instead of BCC phase, which is consistent with the EDS analysis hereafter.…”

Amorphization of equimolar alloys with HCP elements during mechanical alloying

“…Recently, various topics on HEAs have been reported, including microstructure and mechanical properties [12][13][14], effects of adding more elements [15,16], thermal stability [17][18][19], wear and corrosion resistance [20,21], hard coating [22,23], barrier films [24,25] and mechanical alloying behavior [26][27][28][29][30]. These are helpful in understanding HEAs in both academic and application aspects.…”