Solidification Microstructures of the Ingots Obtained by Arc Melting and Cold Crucible Levitation Melting in TiNbTaZr Medium-Entropy Alloy and TiNbTaZrX (X = V, Mo, W) High-Entropy Alloys. - Takeshi Nagase; Kiyoshi Mizuuchi; Takayoshi Nakano (Entropy, 2019)