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Title
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Transmission electron microscopy investigation of microstructures in low-hysteresis alloys with special lattice parameters
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Author
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Abstract
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| A sharp drop in hysteresis is observed for shape memory alloys satisfying the compatibility condition between austenite and martensite, i.e. ë2 = 1, where ë2 is the middle eigenvalue of the transformation strain matrix. The present work investigates the evolution of microstructure by transmission electron microscopy as the composition of the Ti50Ni50−xPdx system is systemically tuned to achieve the condition ë2 = 1. Changes in morphology, twinning density and twinning modes are reported along with twinless martensite and exact austenitemartensite interfaces. |
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Language
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English
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Source (journal)
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Scripta materialia. - Oxford
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Publication
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Oxford
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2009
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ISSN
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1359-6462
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Volume/pages
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60
:5
(2009)
, p. 293-296
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ISI
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000262553300007
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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