|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Advances in Multi-Principal Elements Alloys X
||Microstructural evolution and mechanical properties of AlCrFeCoNiZn high entropy alloy processed by mechanical alloying and spark plasma sintering
||Vikas Shivam, Yagnesh Shadangi, Joysurya Basu, Pratik Kumar Ray, Nilay Krishna Mukhopadhyay
|On-Site Speaker (Planned)
High entropy alloys (HEAs) have attracted a great deal of interest due to their unique ability to form simple solid solution phases, with a wide variety of potential applications. We have studied the phase and microstructural evolution in the equiatomic AlCrFeCoNiZn HEA, which was synthesized by MA and consolidated through SPS. Formation of a major BCC structure (a= 2.884 Å) was observed in both the as-milled and SPSed samples. The X-ray diffraction data sets were analysed by Rietveld refinement technique in order to quantify the changes in the lattice parameter and the relative amount of phases after various heat-treatments. Mechanical properties of consolidated samples were evaluated by using instrumented micro- indentation technique. The hardness data was simulated by following different materials modeling approaches and the same were correlated with the experimental values. Attempts have been made to understand the phase evolution, and transformation in light of the free energy landscape.
||High-Entropy Alloys, Characterization, Mechanical Properties