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Erschienen in: Shape Memory and Superelasticity 1/2015

01.03.2015

Advanced Electron Microscopy Characterisation of Important Precipitation and Ordering Phenomena in Shape Memory Systems

verfasst von: Dominique Schryvers

Erschienen in: Shape Memory and Superelasticity | Ausgabe 1/2015

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Abstract

The present paper discusses some important aspects of precipitation and ordering in alloy systems that show a martensitic transformation and can or are used as shape memory or superelastic metallic systems. The precipitates are investigated by a variety of conventional and advanced electron microscopy techniques, including atomic resolution, 3D slice-and-view, energy loss spectroscopy etc. Depending on the system, such secondary phases can decrease the probability of a displacive transformation by changing the phase stability in the system, such as in the case of Ni–Al or Ni–Ti–Pd, or can mechanically hinder the passage of the transformation interface, as in Ni–Ti–Nb. On the other hand, properly controlling the nucleation and growth of some precipitates can strongly improve the properties of some types of materials, as is the case for the well-known Ni4Ti3 precipitates.

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Metadaten
Titel
Advanced Electron Microscopy Characterisation of Important Precipitation and Ordering Phenomena in Shape Memory Systems
verfasst von
Dominique Schryvers
Publikationsdatum
01.03.2015
Verlag
Springer International Publishing
Erschienen in
Shape Memory and Superelasticity / Ausgabe 1/2015
Print ISSN: 2199-384X
Elektronische ISSN: 2199-3858
DOI
https://doi.org/10.1007/s40830-015-0006-3

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