Synergistic effect of Ti and Al on L12-phase design in CoCrFeNi-based high entropy alloys

Da Chen; Feng He; Bin Han; Qingfeng Wu; Yang Tong; Yilu Zhao; Zhijun Wang; Jincheng Wang; Ji jung Kai

doi:10.1016/j.intermet.2019.106476

Synergistic effect of Ti and Al on L1₂-phase design in CoCrFeNi-based high entropy alloys

Da Chen, Feng He, Bin Han, Qingfeng Wu, Yang Tong, Yilu Zhao, Zhijun Wang, Jincheng Wang, Ji jung Kai

School of Materials Sience and Engineering

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

L1₂-phase-strengthened high entropy alloys (HEAs) have shown promising mechanical properties for both high-temperature and cryogenic applications. However, designing L1₂ phase still strongly relies on the trial-and-error experiments. The current study reported that the L1₂ phase in face centered cubic (FCC) HEAs is greatly influenced by a sygnergistic effect of Ti and Al. The experimental results showed that a Ti/Al ratio ranging from 0.7 to 2 was required by L1₂ phase in CoCrFeNi-based HEAs. The present findings provided an efficient guideline for designing L1₂ phase in the complex concentrated alloys.

Original language	English
Article number	106476
Journal	Intermetallics
Volume	110
DOIs	https://doi.org/10.1016/j.intermet.2019.106476
State	Published - Jul 2019

Keywords

Alloy design
FCC matrix
High entropy alloys
L1 phase
Microstructure characterization
Ti/Al ratio

Access to Document

10.1016/j.intermet.2019.106476

Cite this

@article{03c756b648054b5dba91a1d20f19989e,

title = "Synergistic effect of Ti and Al on L12-phase design in CoCrFeNi-based high entropy alloys",

abstract = "L12-phase-strengthened high entropy alloys (HEAs) have shown promising mechanical properties for both high-temperature and cryogenic applications. However, designing L12 phase still strongly relies on the trial-and-error experiments. The current study reported that the L12 phase in face centered cubic (FCC) HEAs is greatly influenced by a sygnergistic effect of Ti and Al. The experimental results showed that a Ti/Al ratio ranging from 0.7 to 2 was required by L12 phase in CoCrFeNi-based HEAs. The present findings provided an efficient guideline for designing L12 phase in the complex concentrated alloys.",

keywords = "Alloy design, FCC matrix, High entropy alloys, L1 phase, Microstructure characterization, Ti/Al ratio",

author = "Da Chen and Feng He and Bin Han and Qingfeng Wu and Yang Tong and Yilu Zhao and Zhijun Wang and Jincheng Wang and Kai, {Ji jung}",

note = "Publisher Copyright: {\textcopyright} 2019",

year = "2019",

month = jul,

doi = "10.1016/j.intermet.2019.106476",

language = "英语",

volume = "110",

journal = "Intermetallics",

issn = "0966-9795",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Synergistic effect of Ti and Al on L12-phase design in CoCrFeNi-based high entropy alloys

AU - Chen, Da

AU - He, Feng

AU - Han, Bin

AU - Wu, Qingfeng

AU - Tong, Yang

AU - Zhao, Yilu

AU - Wang, Zhijun

AU - Wang, Jincheng

AU - Kai, Ji jung

PY - 2019/7

Y1 - 2019/7

N2 - L12-phase-strengthened high entropy alloys (HEAs) have shown promising mechanical properties for both high-temperature and cryogenic applications. However, designing L12 phase still strongly relies on the trial-and-error experiments. The current study reported that the L12 phase in face centered cubic (FCC) HEAs is greatly influenced by a sygnergistic effect of Ti and Al. The experimental results showed that a Ti/Al ratio ranging from 0.7 to 2 was required by L12 phase in CoCrFeNi-based HEAs. The present findings provided an efficient guideline for designing L12 phase in the complex concentrated alloys.

AB - L12-phase-strengthened high entropy alloys (HEAs) have shown promising mechanical properties for both high-temperature and cryogenic applications. However, designing L12 phase still strongly relies on the trial-and-error experiments. The current study reported that the L12 phase in face centered cubic (FCC) HEAs is greatly influenced by a sygnergistic effect of Ti and Al. The experimental results showed that a Ti/Al ratio ranging from 0.7 to 2 was required by L12 phase in CoCrFeNi-based HEAs. The present findings provided an efficient guideline for designing L12 phase in the complex concentrated alloys.

KW - Alloy design

KW - FCC matrix

KW - High entropy alloys

KW - L1 phase

KW - Microstructure characterization

KW - Ti/Al ratio

UR - http://www.scopus.com/inward/record.url?scp=85064916881&partnerID=8YFLogxK

U2 - 10.1016/j.intermet.2019.106476

DO - 10.1016/j.intermet.2019.106476

M3 - 文章

AN - SCOPUS:85064916881

SN - 0966-9795

VL - 110

JO - Intermetallics

JF - Intermetallics

M1 - 106476

ER -

Synergistic effect of Ti and Al on L1₂-phase design in CoCrFeNi-based high entropy alloys

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this