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Effect of alloying ...
Effect of alloying on elastic properties of ternary Ni-Al-Ti system: Experimental validation
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- Sidnov, K. P. (författare)
- National University of Science and Technology MISIS, Russia; RAS, Russia
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- Belov, D. S. (författare)
- National University of Science and Technology MISIS, Russia
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- Ponomareva, A. V. (författare)
- National University of Science and Technology MISIS, Russia
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- Abrikosov, Igor (författare)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Zharmukhambetova, A. M. (författare)
- National Research Tomsk State University, Russia
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- Skripnyak, Natalia (författare)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten,National Research Tomsk State University, Russia
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- Barannikova, S. A. (författare)
- National Research Tomsk State University, Russia; RAS, Russia
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- Rogachev, A. S. (författare)
- National University of Science and Technology MISIS, Russia; RAS, Russia
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- Rouvimov, S. (författare)
- University of Notre Dame, IN 46556 USA
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- Mukasyan, A. S. (författare)
- University of Notre Dame, IN 46556 USA
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(creator_code:org_t)
- ELSEVIER SCIENCE SA, 2016
- 2016
- Engelska.
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Ingår i: Journal of Alloys and Compounds. - : ELSEVIER SCIENCE SA. - 0925-8388 .- 1873-4669. ; 688, s. 534-541
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Using combustion synthesis approach we fabricated B2 NiAl intermetallic compound as well as quasibinary Ni(Al50Ti50) alloy, where half Al atoms are randomly substituted by transitional metal Ti. Youngs modulus for synthesized materials was measured and appeared to be 222 +/- 10 GPa for NiAl and 175 +/- 15 GPa for Ni(Al50Ti50) phases. Using first-principles simulations in the framework of the Density Functional Theory, we investigate the elastic properties of Ni(Al1-xTix) system, including single-crystal, as well as polycrystalline elastic moduli. Direct comparison of the experimental and theoretical values of the Youngs modulus demonstrates that the employed theoretical approach allows carefully predict elastic properties of NiAl-based intermetallics. In particular, we predict that alloying NiAl with Ti should increase the ductility of the intermetallic phase. (C) 2016 Elsevier B.V. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Combustion synthesis; NiAl-based superalloys; Ti doping; Module of elasticity; First-principles simulations; Ductility
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- art (ämneskategori)
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