Near-surface self-resistance hydrogen effect of eutectic high-entropy alloy AlCoCrFeNi2.1

被引：0
|
作者：
Feng, Daochen [1 ,2 ]
Hu, Minghui [1 ]
Zheng, Wenjian [1 ,2 ]
Wang, Yu [1 ]
Ma, Yinghe [1 ,2 ]
Ren, Sendong [1 ,2 ]
Tan, Dapeng [1 ]
Yang, Jianguo [1 ,2 ]
机构：
[1] Zhejiang Univ Technol, Sch Mech Engn, Hangzhou 310023, Peoples R China
[2] Zhejiang Univ Technol, Engn Res Ctr Proc Equipment & Remfg, Minist Educ, Hangzhou 310023, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2024年 / 31卷
基金：
中国国家自然科学基金;
关键词：
Eutectic high -entropy alloy AlCoCrFeNi 2.1; Self -resistance hydrogen effect; Microstructure evolution; Near; -surface; Hydrogen embrittlement; SUPERABUNDANT VACANCY; MECHANICAL-PROPERTIES; GRAIN-BOUNDARY; HIGH-DUCTILITY; HIGH-STRENGTH; PRECIPITATION; EMBRITTLEMENT; SEGREGATION; MICROSTRUCTURE; STABILITY;
D O I：
10.1016/j.jmrt.2024.06.092
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of engineering application studies related to hydrogen damage has been carried out for the eutectic highentropy alloy (HEA) AlCoCrFeNi2.1 with excellent comprehensive properties. This work mainly introduces the element segregation and microstructure evolution phenomenon near the surface phase boundary and around the precipitated phase found in the hydrogen damage experiment of the material. Studies have shown that the evolution of the near-surface phase boundary microstructure of HEAs caused by hydrogen charging has a great influence on the hydrogen trap density inside the alloy. The "self-resistance hydrogen effect" is produced, that is, hydrogen-induced microstructure evolution causes the effect of delayed hydrogen diffusion. In this phenomenon, the synergy between hydrogen atoms and vacancies and dislocations on the alloy surface is crucial.
引用
收藏
页码：472 / 480
页数：9
相关论文
共 50 条
  • [41] Unraveling the fracture behavior of AlCoCrFeNi2.1 eutectic high-entropy alloy under impact loading
    Liu, Hongling
    Li, Tianxin
    Chen, Chaoyi
    Wan, Mingpan
    Huang, Chaowen
    Li, Junqi
    JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2025, 214 : 170 - 179
  • [42] Phase separation of AlCoCrFeNi2.1 eutectic high-entropy alloy during directional solidification and their effect on tensile properties
    Zheng, Huiting
    Chen, Ruirun
    Qin, Gang
    Li, Xinzhong
    Su, Yanqing
    Ding, Hongsheng
    Guo, Jingjie
    Fu, Hengzhi
    INTERMETALLICS, 2019, 113
  • [43] Effect of Laser Energy Density on Microstructures and Properties of Additively Manufactured AlCoCrFeNi2.1 Eutectic High-Entropy Alloy
    Du, Lingxiao
    Ding, Hang
    Xie, Yun
    Ji, Li
    Chen, Wanbin
    Xu, Yunze
    ACTA METALLURGICA SINICA-ENGLISH LETTERS, 2025, 38 (02) : 233 - 244
  • [44] Effect of low temperature on tensile properties of AlCoCrFeNi2.1 eutectic high entropy alloy
    Bhattacharjee, Tilak
    Zheng, Ruixiao
    Chong, Yan
    Sheikh, Saad
    Guo, Sheng
    Clark, Ian Thomas
    Okawa, Toshiro
    Wani, Irfan Samad
    Bhattacharjee, Pinaki Prasad
    Shibata, Akinobu
    Tsuji, Nobuhiro
    MATERIALS CHEMISTRY AND PHYSICS, 2018, 210 : 207 - 212
  • [45] Excellent corrosion resistance of electron beam welded joint and remelted layer of eutectic high-entropy alloy AlCoCrFeNi2.1
    Yang, Jianguo
    Feng, Daochen
    Liu, Yifei
    Zheng, Wenjian
    Lai, Shaobo
    Yan, Dejun
    He, Yanming
    Xie, Jilin
    INTERMETALLICS, 2023, 154
  • [46] Microstructural evolution and mechanical characterization for the AlCoCrFeNi2.1 eutectic high-entropy alloy under different temperatures
    Li, Yafei
    Zhou, Jiahe
    Liu, Yifei
    Lu, Chuanyang
    Shi, Lei
    Zheng, Wenjian
    Jin, Weiya
    Gao, Zengliang
    Yang, Jianguo
    He, Yanming
    FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2023, 46 (05) : 1881 - 1892
  • [47] Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi2.1 Eutectic High-Entropy Alloys
    Xiangli Hu
    Ding Chen
    Journal of Materials Engineering and Performance, 2018, 27 : 3566 - 3573
  • [48] Effect of Ceramic Rolling and Annealing on Mechanical Properties of AlCoCrFeNi2.1 Eutectic High-Entropy Alloys
    Hu, Xiangli
    Chen, Ding
    JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2018, 27 (07) : 3566 - 3573
  • [49] Dynamic mechanical properties and microstructure evolution of AlCoCrFeNi2.1 eutectic high-entropy alloy at different temperatures
    Hu, Menglei
    Song, Kaikai
    Song, Weidong
    Journal of Alloys and Compounds, 2022, 892
  • [50] Microstructure and properties of AlCoCrFeNi2.1 eutectic high-entropy alloy formed by laser melting deposition (LMD)
    Liang, Zhuoheng
    Zhang, Yongzhong
    Liu, Yantao
    Zhu, Zhengwang
    Zhang, Haifeng
    MATERIALS LETTERS, 2022, 317
12345