Selective laser melting enabling the hierarchically heterogeneous microstructure and excellent mechanical properties in an interstitial solute strengthened high entropy alloy

[1 ] Singapore Institute of Manufacturing Technology, Singapore, Singapore

[2 ] School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, Australia

[3 ] Max-Planck-Institut für Eisenforschung, Düsseldorf, Germany

[4 ] School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, Singapore