Journal
MATERIALS LETTERS
Volume 302, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130391
Keywords
Medium-entropy alloy; Hetergeneous microstructure; Mechanical properties; Transformation induced plasticity
Funding
- National Research Foundation of Korea [NRF-2016M3D1A1023383, NRF-2021R1A2C3006662, 2020H1D3A1A04105882]
- National Research Foundation of Korea [2020H1D3A1A04105882] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, the mechanical properties of a newly developed Fe-Ni-Co-Mn-Ti-Si medium-entropy alloy with heterogeneous microstructure were investigated. The alloy exhibited high yield strength, high ultimate tensile strength, and good ductility due to hetero-deformation-induced strengthening and high plastic-incompatibility between mechanically induced-martensite and the austenitic matrix.
In the work reported here, the mechanical properties of a newly developed Fe-Ni-Co-Mn-Ti-Si medium-entropy alloy with heterogeneous microstructure were investigated. High yield strength (-930 MPa), high ultimate tensile strength (-1100 MPa), and good ductility (-30%) were achieved using hetero-deformation-induced strengthening and high plastic-incompatibility between mechanically induced-martensite and the austenitic matrix.
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