Role of BCC phase on tensile behavior of dual-phase Al0.5CoCrFeMnNi high-entropy alloy at cryogenic temperature

Dual-phase Al0.5CoCrFeMnNi high-entropy alloy consisted of face-centered cubic (FCC) and body-centered cubic (BCC) phases exhibited enhancement of both strength and strain hardening ability at 77 K. It resulted from back stress hardening in high work hardening due to large strength difference of two...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2019-02, Vol.746, p.443-447
Hauptverfasser:	Park, Jeong Min, Moon, Jongun, Bae, Jae Wung, Kim, Dong Hyuk, Jo, Yong Hee, Lee, Sunghak, Kim, Hyoung Seop
Format:	Artikel
Sprache:	eng
Schlagworte:	Body centered cubic lattice Cryogenic temperature Dual-phase Face centered cubic lattice High entropy alloys High-entropy alloy Strain hardening Strain partitioning Work hardening
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Zusammenfassung:	Dual-phase Al0.5CoCrFeMnNi high-entropy alloy consisted of face-centered cubic (FCC) and body-centered cubic (BCC) phases exhibited enhancement of both strength and strain hardening ability at 77 K. It resulted from back stress hardening in high work hardening due to large strength difference of two constituent phases with decreasing temperature. [Display omitted]
ISSN:	0921-5093 1873-4936
DOI:	10.1016/j.msea.2019.01.041