Microstructure and mechanical properties of a dual phase transformation induced plasticity Fe-Mn-Co-Cr high entropy alloy

• Published in: Journal of alloys and compounds Vol. 893; p. 162152
• Main Authors: Hossain, AFM Monowar, Kumar, N.
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 10.02.2022; Elsevier BV
• Subjects: Alloys; Complex concentrated alloys (CCAs); Curve fitting; Data analysis; Digital image correlation (DIC); Digital imaging; EBSD; Electron backscatter diffraction; Elongation; Heat treating; High entropy alloys; High entropy alloys (HEAs); Manganese; Mechanical properties; Mechanical tests; Microstructural analysis; Microstructure; Modulus of elasticity; Multi-element alloys; Necking; Optical microscopes; Plastic deformation; Plastic properties; Strain hardening; Stress relaxation; Stress relaxation tests; Tensile tests; Transformation induced plasticity (TRIP); True strain; True stress; Ultimate tensile strength; Work hardening; Yield strength; High entropy alloys (HEAs); Digital image correlation (DIC); Transformation induced plasticity (TRIP); Complex concentrated alloys (CCAs); EBSD; Multi-element alloys

•Dual phase TRIP high entropy alloy with FCC and HCP phases.•Flow stress changed from ~ 315 MPa at yielding to ~ 1200 MPa at necking.•Quantification of plastic strain using DIC in uniformly deformed and necked regions.•True activation volume ranged from 300b3 to 450b3.•The TRIP behavior (FCC to HCP...