The BCC/B2 Morphologies in AlxNiCoFeCr High-Entropy Alloys
AbstractThe present work primarily investigates the morphological evolution of the body-centered-cubic (BCC)/B2 phases in AlxNiCoFeCr high-entropy alloys (HEAs) with increasing Al content. It is found that the BCC/B2 coherent morphology is closely related to the lattice misfit between these two phases, which is sensitive to Al. There are two types of microscopic BCC/B2 morphologies in this HEA series: one is the weave-like morphology induced by the spinodal decomposition, and the other is the microstructure of a spherical disordered BCC precipitation on the ordered B2 matrix that appears in HEAs with a much higher Al content. The mechanical properties, including the compressive yielding strength and microhardness of the AlxNiCoFeCr HEAs, are also discussed in light of the concept of the valence electron concentration (VEC). View Full-Text
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Ma, Y.; Jiang, B.; Li, C.; Wang, Q.; Dong, C.; Liaw, P.K.; Xu, F.; Sun, L. The BCC/B2 Morphologies in AlxNiCoFeCr High-Entropy Alloys. Metals 2017, 7, 57.
Ma Y, Jiang B, Li C, Wang Q, Dong C, Liaw PK, Xu F, Sun L. The BCC/B2 Morphologies in AlxNiCoFeCr High-Entropy Alloys. Metals. 2017; 7(2):57.Chicago/Turabian Style
Ma, Yue; Jiang, Beibei; Li, Chunling; Wang, Qing; Dong, Chuang; Liaw, Peter K.; Xu, Fen; Sun, Lixian. 2017. "The BCC/B2 Morphologies in AlxNiCoFeCr High-Entropy Alloys." Metals 7, no. 2: 57.
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