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Temperature depende...
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Jaladurgam, Nitesh Raj,1993Chalmers tekniska högskola,Chalmers University of Technology
(author)
Temperature dependent load partitioning and slip mode transition in a eutectic AlCoCrFeNi 2.1 high entropy alloy
- Article/chapterEnglish2021
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Elsevier BV,2021
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:00ef5de2-3a72-4fbf-b071-0c334f1dc5d8
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https://doi.org/10.1016/j.mtla.2021.101118DOI
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https://research.chalmers.se/publication/524337URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Eutectic high entropy alloys are gaining increasing attention due to their excellent castability and combination of strength and ductility in the as-cast state. However, the detailed behavior of the nano-scale lamellar microstructure during deformation, and in particular the interaction between the phases, is not well understood. Here we use in-situ neutron diffraction during tensile testing over a wide temperature range (77–673 K) to obtain new insights into the temperature dependent mechanical interactions between and within phases during initial plastic deformation of an AlCoCrFeNi eutectic high entropy alloy. The load was transferred from the L1 to the B2 phase during the yielding process, and the changing load distribution within the L1 phase with increasing temperature strongly suggests that <110>{001} cube slip is activated at room temperature and above. This points towards alloying design for delayed octahedral-to-cube slip transition as a possible strategy for increasing the high temperature strength of material. 2.1 2 2
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Lozinko, Adrianna,1992Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)adrianna
(author)
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Guo, Sheng,1981Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)shengg
(author)
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Lee, Tung LikSTFC Rutherford Appleton Laboratory
(author)
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Hörnqvist Colliander, Magnus,1979Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)magnuh
(author)
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Chalmers tekniska högskolaSTFC Rutherford Appleton Laboratory
(creator_code:org_t)
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In:Materialia: Elsevier BV172589-1529
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