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Ab Initio Predicted...
Ab Initio Predicted Alloying Effects on the Elastic Properties of AlxHf1-xNbTaTiZr High Entropy Alloys
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Li, Shaohui (författare)
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Ni, Xiaodong (författare)
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- Tian, Fuyang (författare)
- KTH,Tillämpad materialfysik,Univ Sci & Technol Beijing, Peoples R China
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(creator_code:org_t)
- 2015-07-29
- 2015
- Engelska.
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Ingår i: Coatings. - : MDPI AG. - 2079-6412. ; 5:3, s. 366-377
- Relaterad länk:
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https://www.mdpi.com...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Using ab initio alloy theory, we investigate the equilibrium bulk properties and elastic mechanics of the single bcc solid-solution AlxHf1-xNbTaTiZr (x = 0-0.7, 1.0) high entropy alloys. Ab initio predicted equilibrium volume is consistent with the available experiment. We make a detailed investigation of the alloying effect of Al and Hf on the equilibrium volume, elastic constants and polycrystalline elastic moduli. Results imply that the partial replacement Hf with Al increases the stability of the bcc phase and decreases the ductility of the AlxHf1-xNbTaTiZr HEAs. The inner ductility of Al0.4Hf0.6NbTaTiZr is predicted by the calculations of ideal tensile strength.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- high-entropy alloys
- ab initio
- alloying effect
- equilibrium bulk properties
- elastic anisotropy
- ideal tensile strength
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- art (ämneskategori)
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