Journal ArticleDOI
Stress-controlled fatigue of HfNbTaTiZr high-entropy alloy and associated deformation and fracture mechanisms
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TLDR
In this article , a high-entropy alloys (HEAs) with reported high-cycle fatigue data, dilute body-centered cubic alloys, and many structural alloys such as steels, titanium alloys and aluminum alloys are compared.About:
This article is published in Journal of Materials Science & Technology.The article was published on 2022-07-01. It has received 11 citations till now. The article focuses on the topics: Fatigue limit & Alloy.read more
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On the origins of fatigue strength in crystalline metallic materials
Jean Charles Stinville,Marie-Agathe Charpagne,Alice Cervellon,S. Hémery,F. Wang,Patrick G. Callahan,Valéry Valle,Tresa M. Pollock +7 more
TL;DR: Omar and El-Awady as discussed by the authors found that the fatigue strength of metallic alloys that deform by slip could be predicted by the amplitude of slip localization during the first cycle of loading.
Journal ArticleDOI
Fatigue dataset of high-entropy alloys
TL;DR: In this article , a fatigue database of high-entropy alloys (HEAs) is presented, which contains 15, 23, and 28 distinct data records, respectively, for low cycle fatigue, high-cycle fatigue, and fatigue crack growth rate (FCGR).
Journal ArticleDOI
Fatigue dataset of high-entropy alloys
TL;DR: In this paper , a fatigue database of high-entropy alloys (HEAs) is presented, which contains 15, 23, and 28 distinct data records, respectively, for low cycle fatigue, high-cycle fatigue, and fatigue crack growth rate (FCGR).
Journal ArticleDOI
Dual-structured oxide coatings with enhanced wear and corrosion resistance prepared by plasma electrolytic oxidation on Ti-Nb-Ta-Zr-Hf high-entropy alloy
Ge Zhang,Khashayar Khanlari,Shangtao Huang,Xiaosong Li,Dapeng Zhao,Hongqi Wu,Yuankui Cao,Bin Liu,Qianli Huang +8 more
TL;DR: In this paper , equi-atomic Ti-Nb-Ta-Zr-Hf bio-HEA (PEO-free) was subjected to plasma electrolytic oxidation at 150, 200, and 250 V.
Journal ArticleDOI
Comparative study on microstructures and mechanical properties of ultra ductility single-phase Nb40Ti40Ta20 refractory medium entropy alloy by selective laser melting and vacuum arc melting
Fei Wang,Tiechui Yuan,Ruidi Li,Shi Wei Lin,Zhonghao Xie,Lanbo Li,Valentino Am Cristino,Rong Xu,Bingqian Liu +8 more
TL;DR: In this article , a single-phase BCC Nb40Ti40Ta20 (NTT) refractory medium entropy alloy (MEA) was prepared by selective laser melting (SLM) and vacuum arc melting (VAM).
References
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Journal ArticleDOI
Nanostructured High-Entropy Alloys with Multiple Principal Elements: Novel Alloy Design Concepts and Outcomes
Jien-Wei Yeh,Swe-Kai Chen,Su-Jien Lin,Jon-Yiew Gan,Tsung-Shune Chin,Tsung-Shune Chin,Tao-Tsung Shun,Chun-Huei Tsau,Shou-Yi Chang +8 more
TL;DR: A new approach for the design of alloys is presented in this paper, where high-entropy alloys with multi-principal elements were synthesized using well-developed processing technologies.
Journal ArticleDOI
Metastable high-entropy dual-phase alloys overcome the strength–ductility trade-off
TL;DR: In this metastability-engineering strategy, a transformation-induced plasticity-assisted, dual-phase high-entropy alloy (TRIP-DP-HEA) is designed, which combines the best of two worlds: extensive hardening due to the decreased phase stability known from advanced steels and massive solid-solution strengthening of high-ENTropy alloys.
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The influences of temperature and microstructure on the tensile properties of a CoCrFeMnNi high-entropy alloy
F. Otto,F. Otto,Antonín Dlouhý,Christoph Somsen,Hongbin Bei,Gunther Eggeler,Easo P. George,Easo P. George +7 more
TL;DR: In this article, an equiatomic CoCrFeMnNi high-entropy alloy, which crystallizes in the face-centered cubic (fcc) crystal structure, was produced by arc melting and drop casting.
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High-entropy alloys
TL;DR: This Review discusses model high-entropy alloys with interesting properties, the physical mechanisms responsible for their behaviour and fruitful ways to probe and discover new materials in the vast compositional space that remains to be explored.
Journal ArticleDOI
Slightly curved or kinked cracks
Brian Cotterell,James R. Rice +1 more
TL;DR: In this paper, a solution for the elastic stress intensity factors at the tip of a slightly curved or kinked two-dimensional crack is presented for the deviation of the crack surface from a straight line and is carried out by perturbation procedures analogous to those of Banichuk [1] and Goldstein and Salganik [2, 3].