The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review

In this review, the phenomenon of grain boundary (GB) wetting by melt is analyzed for multicomponent alloys without principal components (also called high-entropy alloys or HEAs) containing titanium. GB wetting can be complete or partial. In the former case, the liquid phase forms the continuous lay...

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Autores principales:	Boris B. Straumal, Anna Korneva, Alexei Kuzmin, Gabriel A. Lopez, Eugen Rabkin, Alexander B. Straumal, Gregory Gerstein, Alena S. Gornakova
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	titanium alloys high-entropy alloys grain boundary wetting phase transitions phase diagrams Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/4312f7ee792542a89a2084f6e4eb946b
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spelling	oai:doaj.org-article:4312f7ee792542a89a2084f6e4eb946b2021-11-25T18:22:37ZThe Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review10.3390/met111118812075-4701https://doaj.org/article/4312f7ee792542a89a2084f6e4eb946b2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4701/11/11/1881https://doaj.org/toc/2075-4701In this review, the phenomenon of grain boundary (GB) wetting by melt is analyzed for multicomponent alloys without principal components (also called high-entropy alloys or HEAs) containing titanium. GB wetting can be complete or partial. In the former case, the liquid phase forms the continuous layers between solid grains and completely separates them. In the latter case of partial GB wetting, the melt forms the chain of droplets in GBs, with certain non-zero contact angles. The GB wetting phenomenon can be observed in HEAs produced by all solidification-based technologies. GB leads to the appearance of novel GB tie lines <i>T</i><sub>wmin</sub> and <i>T</i><sub>wmax</sub> in the multicomponent HEA phase diagrams. The so-called grain-boundary engineering of HEAs permits the use of GB wetting to improve the HEAs’ properties or, alternatively, its exclusion if the GB layers of a second phase are detrimental.Boris B. StraumalAnna KornevaAlexei KuzminGabriel A. LopezEugen RabkinAlexander B. StraumalGregory GersteinAlena S. GornakovaMDPI AGarticletitanium alloyshigh-entropy alloysgrain boundary wettingphase transitionsphase diagramsMining engineering. MetallurgyTN1-997ENMetals, Vol 11, Iss 1881, p 1881 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	titanium alloys high-entropy alloys grain boundary wetting phase transitions phase diagrams Mining engineering. Metallurgy TN1-997
spellingShingle	titanium alloys high-entropy alloys grain boundary wetting phase transitions phase diagrams Mining engineering. Metallurgy TN1-997 Boris B. Straumal Anna Korneva Alexei Kuzmin Gabriel A. Lopez Eugen Rabkin Alexander B. Straumal Gregory Gerstein Alena S. Gornakova The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
description	In this review, the phenomenon of grain boundary (GB) wetting by melt is analyzed for multicomponent alloys without principal components (also called high-entropy alloys or HEAs) containing titanium. GB wetting can be complete or partial. In the former case, the liquid phase forms the continuous layers between solid grains and completely separates them. In the latter case of partial GB wetting, the melt forms the chain of droplets in GBs, with certain non-zero contact angles. The GB wetting phenomenon can be observed in HEAs produced by all solidification-based technologies. GB leads to the appearance of novel GB tie lines <i>T</i><sub>wmin</sub> and <i>T</i><sub>wmax</sub> in the multicomponent HEA phase diagrams. The so-called grain-boundary engineering of HEAs permits the use of GB wetting to improve the HEAs’ properties or, alternatively, its exclusion if the GB layers of a second phase are detrimental.
format	article
author	Boris B. Straumal Anna Korneva Alexei Kuzmin Gabriel A. Lopez Eugen Rabkin Alexander B. Straumal Gregory Gerstein Alena S. Gornakova
author_facet	Boris B. Straumal Anna Korneva Alexei Kuzmin Gabriel A. Lopez Eugen Rabkin Alexander B. Straumal Gregory Gerstein Alena S. Gornakova
author_sort	Boris B. Straumal
title	The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
title_short	The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
title_full	The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
title_fullStr	The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
title_full_unstemmed	The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review
title_sort	grain boundary wetting phenomena in the ti-containing high-entropy alloys: a review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4312f7ee792542a89a2084f6e4eb946b
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The Grain Boundary Wetting Phenomena in the Ti-Containing High-Entropy Alloys: A Review

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