Zr diffusion in BCC refractory high entropy alloys: A case of 'non-sluggish' diffusion behavior

被引：52

作者：

Zhang, Jingfeng ^{[1
]}

Gadelmeier, Christian ^{[2
]}

Sen, Sandipan ^{[1
]}

Wang, Rui ^{[3
]}

Zhang, Xi ^{[4
]}

Zhong, Yu ^{[3
]}

Glatzel, Uwe ^{[2
]}

Grabowski, Blazej ^{[4
]}

Wilde, Gerhard ^{[1
]}

Divinski, Sergiy, V ^{[1
]}

机构：

[1] Univ Munster, Inst Mat Phys, Wilhelm Klemm Str 10, D-48149 Munster, Germany

[2] Univ Bayreuth, Met & Alloys, Prof Rudiger Bormann Str 1, D-95447 Bayreuth, Germany

[3] Worcester Polytech Inst, Dept Mech Engn, 100 Inst Rd, Worcester, MA 01609 USA

[4] Univ Stuttgart, Inst Mat Sci, Pfaffenwaldring 55, D-70569 Stuttgart, Germany

来源：

ACTA MATERIALIA | 2022年 / 233卷

关键词：

Diffusion; Refractory high-entropy alloy; HfNbTaTiZr; HfNbTiVZr; BCC crystalline lattice; GROUP-IV METALS; TRACER DIFFUSION; PHONON-DISPERSION; OXIDATION RESISTANCE; SELF-DIFFUSION; PHASE; HF; NB; MICROSTRUCTURE; INSTABILITY;

D O I：

10.1016/j.actamat.2022.117970

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single phase (BCC solid solution) HfTiZrNbTa and HfTiZrNbV refractory high entropy alloys are synthesized and characterized. For the first time for BCC refractory high entropy alloys, tracer diffusion is measured using the short-living radioactive isotope Zr-89 in the temperature range of 1123 to 1423 K. A 'non-sluggish' diffusion behavior is clearly observed, highlighted by an enhancement of the measured diffusion rates with respect to the geometric mean of the diffusivities in the corresponding pure elements. The factors influencing self-diffusion in BCC multi-principal element alloys are discussed, including the chemical complexity, atomic size mismatch and the phonon broadening. (C) 2022 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页数：9

共 50 条

[31] Grain growth inhibition by sluggish diffusion and Zener pinning in high-entropy diboride ceramics
Cheng, Yu-Yun
Zhou, Lin
Liu, Ji-Xuan
Tan, Yu-Feng
Zhang, Guo-Jun
Journal of the American Ceramic Society, 2023, 106 (08): : 4997 - 5004
[32] Body-Diagonal Diffusion Couples for High Entropy Alloys
Morral, John E.
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION, 2018, 39 (01) : 51 - 56
[33] Ni tracer diffusion in CoCrFeNi and CoCrFeMnNi high entropy alloys
Vaidya, M. (mmayur007@gmail.com), 1600, Elsevier Ltd (688):
[34] Bulk tracer diffusion in CoCrFeNi and CoCrFeMnNi high entropy alloys
Vaidya, M.
Pradeep, K. G.
Murty, B. S.
Wilde, G.
Divinski, S. V.
ACTA MATERIALIA, 2018, 146 : 211 - 224
[35] Body-Diagonal Diffusion Couples for High Entropy Alloys
John E. Morral
Journal of Phase Equilibria and Diffusion, 2018, 39 : 51 - 56
[36] State-of-the-Art Diffusion Studies in the High Entropy Alloys
Dabrowa, Juliusz
Danielewski, Marek
METALS, 2020, 10 (03)
[37] Ni tracer diffusion in CoCrFeNi and CoCrFeMnNi high entropy alloys
Vaidya, M.
Trubel, S.
Murty, B. S.
Wilde, G.
Divinski, S. V.
JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 688 : 994 - 1001
[38] Investigation of sluggish diffusion in FCC Al0.25CoCrFeNi high-entropy alloy
Mehta, Abhishek
Sohn, Yongho
MATERIALS RESEARCH LETTERS, 2021, 9 (05): : 239 - 246
[39] Microstructure and oxidation behavior of new refractory high entropy alloys
Liu, C. M.
Wang, H. M.
Zhang, S. Q.
Tang, H. B.
Zhang, A. L.
JOURNAL OF ALLOYS AND COMPOUNDS, 2014, 583 : 162 - 169
[40] The effect of configurational entropy on mechanical properties of single BCC structural refractory high-entropy alloys systems
Li, Qingyu
Zhang, Hang
Li, Dichen
Chen, Zihao
Qi, Zhenjia
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, 2020, 93

← 1 2 3 4 5 →