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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1107/S1600576720013631
|2 doi
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|a eng
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|a Fischer, Peter D B
|e verfasserin
|4 aut
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|a Nanoscale twinning in Fe-Mn-Al-Ni martensite
|b a backscatter Kikuchi diffraction study
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 10.04.2021
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © Peter D. B. Fischer et al. 2021.
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|a Iron-based Fe-Mn-Al-Ni shape-memory alloys are of rather low materials cost and show remarkable pseudoelastic properties. To further understand the martensitic transformation giving rise to the pseudoelastic properties, different Fe-Mn-Al-Ni alloys have been heat treated at 1473 K and quenched in ice water. The martensite, which is formed from a body-centred cubic austenite, is commonly described as face-centered cubic (f.c.c.), even though there are also more complex, polytypical descriptions of martensite. The presently studied backscatter Kikuchi diffraction (BKD) patterns have been evaluated, showing a structure more complex than simple f.c.c. This structure can be described by nanoscale twins, diffracting simultaneously in the exciting volume. The twinned structure shows a tetragonal distortion, not uncommon for martensite in spite of the lack of interstitial elements. These features are evaluated by comparing the measured BKD patterns with dynamically simulated ones
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|a Journal Article
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|a backscatter Kikuchi diffraction
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|a electron backscatter diffraction
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|a martensite
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|a shape-memory alloys
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|a twinning
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|a Martin, Stefan
|e verfasserin
|4 aut
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1 |
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|a Walnsch, Alexander
|e verfasserin
|4 aut
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|a Thümmler, Martin
|e verfasserin
|4 aut
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1 |
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|a Kriegel, Mario J
|e verfasserin
|4 aut
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| 700 |
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|a Leineweber, Andreas
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of applied crystallography
|d 1998
|g 54(2021), Pt 1 vom: 01. Feb., Seite 54-61
|w (DE-627)NLM098121561
|x 0021-8898
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|g volume:54
|g year:2021
|g number:Pt 1
|g day:01
|g month:02
|g pages:54-61
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|u http://dx.doi.org/10.1107/S1600576720013631
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