Microstructure tailoring of Al-containing compositionally complex alloys by controlling the sequence of precipitation and ordering

• Published in: Acta materialia Vol. 218; p. 117217
• Main Authors: Laube, Stephan, Schellert, Steven, Srinivasan Tirunilai, Aditya, Schliephake, Daniel, Gorr, Bronislava, Christ, Hans-Jürgen, Kauffmann, Alexander, Heilmaier, Martin
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2021
• Subjects: crystal structure; Differential scanning calorimetry (DSC); Phase transition; Refractory compositionally complex alloys (RCCA); Refractory high entropy alloy (RHEA); Transmission electron microscopy (TEM); crystal structure; Refractory compositionally complex alloys (RCCA); Differential scanning calorimetry (DSC); Refractory high entropy alloy (RHEA); Transmission electron microscopy (TEM); Phase transition

•Refractory metal-based compositionally complex alloys exhibit a two-phase microstructure.•The room temperature crystal structure can be tailored by the phase transition sequence.•Differential scanning calorimetry reveals both, order reaction and phase separation.•The Al concentration has a signific...