Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

• Published in: International journal of plasticity Vol. 159; p. 103443
• Main Authors: Wei, Daixiu, Gong, Wu, Tsuru, Tomohito, Lobzenko, Ivan, Li, Xiaoqing, Harjo, Stefanus, Kawasaki, Takuro, Do, Hyeon-Seok, Bae, Jae Wung, Wagner, Christian, Laplanche, Guillaume, Koizumi, Yuichiro, Adachi, Hiroki, Aoyagi, Kenta, Chiba, Akihiko, Lee, Byeong-Joo, Kim, Hyoung Seop, Kato, Hidemi
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.12.2022
• Subjects: High -entropy alloy; Mechanical property; Metalloid; Microstructure; Strengthening; Strengthening; Metalloid; Microstructure; Mechanical property; High-entropy alloy

•Si-addition overcomes the strength-ductility trade-off of CoCrFeNi HEA.•Si-addition tunes the plastic deformation mechanism of the CoCrFeNi HEA.•Si-addition enhances yield stress by multiple strengthening mechanisms.•The plasticity mechanism is tuned partially due to the reduced SFE. Face-centered...