Effect of hydrogen-induced solid-state phase transformation on mechanical properties of AlCoCrFeNi2.1 eutectic high entropy alloy

Wenjian ZHENG, Yu WANG, Yang YU, Daochen FENG, Zhen YU, Wenjun WANG, Dejun YAN, Jianguo YANG

PDF(4394 KB)
PDF(4394 KB)
Journal of Materials Engineering ›› 2025, Vol. 53 ›› Issue (2) : 152-159. DOI: 10.11868/j.issn.1001-4381.2024.000313
RESEARCH ARTICLE

Effect of hydrogen-induced solid-state phase transformation on mechanical properties of AlCoCrFeNi2.1 eutectic high entropy alloy

Author information +
History +

Abstract

AlCoCrFeNi2.1 eutectic high entropy alloy has excellent mechanical properties and promising applications in fields such as hydrogen storage and transportation. The surface of the alloy is hydrogenated by electrochemical hydrogenation， and tensile tests are carried out on H-charged and H-free specimens to compare and analyze the fracture morphology characteristics， and the effect of hydrogen-induced precipitated phase evolution on the mechanical properties of the alloy is studied. The results show that compared with the samples without hydrogen charging， the yield strength of the hydrogen charging solution samples with sulfuric acid concentrations of 0.5 mol/L and 1.0 mol/L decreases by 14.60% and 20.22%， respectively， and the tensile strength decreases by 15.50% and 25.15%， respectively. Additionally， the mechanical properties of the alloy further decrease with the increase of the hydrogen ion concentration in the hydrogen-charged solution， and the fracture region near the surface shows more obvious brittle fracture characteristics. The precipitated phase， which undergoes a phase transition after hydrogen charging， remains on the surface of the BCC phase during fracture to form a higher and denser raised structure， and a structure distinct from the two phases is also found at the phase boundary. The evolution of hydrogen-induced nanoprecipitated phases leads to a decrease in the overall mechanical properties of the alloy.

Key words

eutectic high entropy alloy / electrochemical hydrogen charging / mechanical property / precipitate evolution

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations
Wenjian ZHENG , Yu WANG , Yang YU , et al . Effect of hydrogen-induced solid-state phase transformation on mechanical properties of AlCoCrFeNi2.1 eutectic high entropy alloy. Journal of Materials Engineering. 2025, 53(2): 152-159 https://doi.org/10.11868/j.issn.1001-4381.2024.000313

References

List( Publishing order | Descend order by publishing year | Descend order by cited within ) Chart analysis
[1]
滕全全， 汪悦， 有移亮， 等. 充氢Cr-Mo钢变形过程的声发射特征［J］. 材料工程， 2017， 45（10）： 138-144.
TENG Q Q， WANG Y， YOU Y L， et al. Acoustic emission characteristics of hydrogen charged Cr-Mo steel during deformation［J］. Journal of Materials Engineering， 2017， 45（10）： 138-144.
本文引用 [1]
[2]
ROBERTSON I M. The effect of hydrogen on dislocation dyna-mics［J］. Engineering Fracture Mechanics， 2001， 68（6）： 671-692.
本文引用 [2]
[3]
ORIANI R A. A mechanistic theory of hydrogen embrittlement of steels［J］. Berichte der Bunsengesellschaft für Physikalische Chemie， 1972， 76（8）： 848-857.
本文引用 [1]
[4]
NAGUMO M， TAKAI K. The predominant role of strain-induced vacancies in hydrogen embrittlement of steels： overview［J］. Acta Materialia， 2019， 165： 722-733.
本文引用 [1]
[5]
LYNCH S. Hydrogen embrittlement phenomena and mechanisms［J］. Corrosion Reviews， 2012， 30（3/4）： 105-123.
本文引用 [1]
[6]
FU Y， LUO H， PAN Z， et al. Hydrogen induced microstructure， mechanical properties and cracking evolution in a novel CoCrNiMo medium-entropy alloy［J］. Journal of Alloys and Compounds， 2023， 939： 168790.
本文引用 [1]
[7]
HACHET G， METSUE A， OUDRISS A， et al. Influence of hydrogen on the elastic properties of nickel single crystal： a numerical and experimental investigation［J］. Acta Materialia， 2018， 148： 280-288.
本文引用 [1]
[8]
VENEZUELA J， TAPIA-BASTIDAS C， ZHOU Q， et al. Determination of the equivalent hydrogen fugacity during electrochemical charging of 3.5NiCrMoV steel［J］. Corrosion Science， 2018， 132： 90-106.
本文引用 [1]
[9]
邱贺方， 袁晓静， 罗伟蓬， 等. 增材制造AlCoCrFeNi2.1共晶高熵合金研究进展［J］. 材料工程， 2024， 52（1）： 70-82.
QIU H F， YUAN X J， LUO W P， et al. Research progress in additive manufacturing of AlCoCrFeNi2.1 eutectic high-entropy alloys［J］. Journal of Materials Engineering， 2024， 52（1）： 70-82.
本文引用 [1]
[10]
LUO H， ZHAO B， PAN Z， et al. Hydrogen induced microstructure evolution and cracking mechanism in a metastable dual-phase high-entropy alloy［J］. Materials Science and Engineering： A， 2021， 819： 141490.
本文引用 [1]
[11]
YE Y F， WANG Q， LU J， et al. High-entropy alloy： challenges and prospects［J］. Materials Today， 2016， 19（6）： 349-362.
本文引用 [1]
[12]
WANG L， WU X， YAO C， et al. Microstructural stability of as-cast and directionally solidified AlCoCrFeNi2.1 eutectic high-entropy alloys at elevated temperatures［J］. Metallurgical and Materials Transactions A， 2020， 51： 5781-5789.
本文引用 [1]
[13]
XIONG T， ZHENG S， PANG J， et al. High-strength and high-ductility AlCoCrFeNi2.1 eutectic high-entropy alloy achieved via precipitation strengthening in a heterogeneous structure［J］. Scripta Materialia， 2020， 186： 336-340.
本文引用 [2]
[14]
WAN D， GUAN S， WANG D， et al. Hydrogen embrittlement of additively manufactured AlCoCrFeNi2.1 eutectic high-entropy alloy［J］. Corrosion Science， 2022， 195： 110007.
本文引用 [2]
[15]
FENG D， WANG W， ZHENG W， et al. 1D growth of Cr-rich nanophase induced by hydrogen in high-entropy alloy AlCoCrFeNi2.1 ［J］. Materials Letters， 2022， 329： 133163.
本文引用 [3]
[16]
FENG D， WANG W， ZHENG W， et al. Hydrogen-induced phase boundary Cr-segregation in high-entropy alloy AlCoCrFeNi2.1 ［J］. Materialia， 2022， 26： 101556.
本文引用 [2]
[17]
冯道臣， 郑文健， 高国奔， 等. AlCoCrFeNi2.1高熵合金电子束焊接接头耐蚀性［J］. 焊接学报， 2022， 43（5）： 43-48.
FENG D C， ZHENG W J， GAO G B， et al. Corrosion resistance of AlCoCrFeNi2.1 high entropy alloy welded joint by electron beam welding［J］. Transactions of the China Welding Institution， 2022， 43（5）： 43-48.
本文引用 [1]
[18]
LOZINKO A， MISHIN O V， YU T， et al. Quantification of microstructure in a eutectic high entropy alloy AlCoCrFeNi2.1 ［J］. IOP Conference Series： Materials Science and Engineering， 2019， 580（1）：012039.
本文引用 [1]
[19]
CHANDA B， POTNIS G， JANA P P， et al. A review on nano-/ultrafine advanced eutectic alloys［J］. Journal of Alloys and Compounds， 2020， 827： 154226.
本文引用 [1]
[20]
LU Y， GAO X， JIANG L， et al. Directly cast bulk eutectic and near-eutectic high entropy alloys with balanced strength and ductility in a wide temperature range［J］. Acta Materialia， 2017， 124： 143-150.
本文引用 [3]
[21]
LIU L， ZHANG Y， HAN J， et al. Nanoprecipitate-strengthened high-entropy alloys［J］. Advanced Science，2021， 8： 2100870.
本文引用 [1]
[22]
WANG Y， CHEN W， ZHANG J， et al. A quantitative understanding on the mechanical behavior of AlCoCrFeNi2.1 eutectic high-entropy alloy［J］. Journal of Alloys and Compounds， 2021， 850： 156610.
本文引用 [1]
[23]
WANG R， ZHANG K， DAVIES C， et al. Evolution of microstructure， mechanical and corrosion properties of AlCoCrFeNi high-entropy alloy prepared by direct laser fabrication［J］. Journal of Alloys and Compounds， 2017， 694： 971-981.
本文引用 [2]
[24]
MARTIN M L， FENSKE J A， LIU G S， et al. On the formation and nature of quasi-cleavage fracture surfaces in hydrogen embrittled steels［J］. Acta Materialia， 2011， 59（4）： 1601-1606.
本文引用 [1]
[25]
WANG Y P， LI B S， REN M X， et al. Microstructure and compressive properties of AlCrFeCoNi high entropy alloy［J］. Materials Science and Engineering： A， 2008， 491（1/2）： 154-158.
本文引用 [2]
[26]
ZHAO Q， LUO H， YANG Z， et al. Hydrogen induced cracking behavior of the dual-phase Co30Cr10Fe10Al18Ni30Mo2 eutectic high entropy alloy［J］. International Journal of Hydrogen Energy， 2024， 50： 134-147.
本文引用 [1]
[27]
焦世舜， 汪佐瑾， 周珍珍， 等.铸态AlCoCrFeNi2.1共晶高熵合金的拉伸断裂机理［J］. 材料热处理学报， 2022， 43（11）： 66-76.
JIAO S S， WANG Z J， ZHOU Z Z， et al. Tensile fracture mechanism of as-cast AlCoCrFeNi2.1 eutectic high entropy alloy［J］. Transactions of Materials and Heat Treatment， 2022， 43（11）： 66-76.
本文引用 [1]
[28]
PAN Z， WEI Y， FU Y， et al. Effect of electrochemical hydrogen charging on the mechanical property and corrosion behavior of Ti-3Mo alloy［J］. Corrosion Science， 2022， 200： 110219.
本文引用 [1]
[29]
KOYAMA M， TASAN C C， AKIYAMA E， et al. Hydrogen-assisted decohesion and localized plasticity in dual-phase steel［J］. Acta Materialia， 2014， 70： 174-187.
本文引用 [1]
[30]
LI X， FENG Z， SONG X， et al. Effect of hydrogen charging time on hydrogen embrittlement of CoCrFeMnNi high-entropy alloy［J］. Corrosion Science， 2022， 198： 110073.
本文引用 [1]
[31]
XU X D， LIU P， TANG Z， et al. Transmission electron microscopy characterization of dislocation structure in a face-centered cubic high-entropy alloy Al0.1CoCrFeNi［J］. Acta Materialia， 2018， 144： 107-115.
[32]
OTTO F， DLOUHÝ A， SOMSEN C， et al. The influences of temperature and microstructure on the tensile properties of a CoCrFeMnNi high-entropy alloy［J］. Acta Materialia， 2013， 61： 5743-5755.
[33]
LAPLANCHE G， KOSTKA A， HORST O M， et al. Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy［J］.Acta Materialia，2016， 118： 152-163.
本文引用 [1]

Comments

PDF(4394 KB)

Accesses

Citation

Detail
Sections
Recommended
Copyright © Journal of Materials Engineering, All Rights Reserved.
Powered by Beijing Magtech Co. Ltd.

/

〈 〉