About: Young´s modulus of austenite and martensite phases in superelastic NiTi wires

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About: Young´s modulus of austenite and martensite phases in superelastic NiTi wires Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Young s moduli of superelastic NiTi wires in austenite and stress-induced martensite states were evaluated by three different experimental methods (tensile tests, in situ synchrotron x-ray diffraction, and dynamic mechanical analysis) and estimated via theoretical calculation from elastic constants. The unusually low value of the Young s modulus of the martensite phase appearing in material property tables (<40 GPa) is generally ascribed in the literature to the fact that stress-driven martensitic transformation and/or twinning processes continue even beyond the transformation range and effectively decrease the value of the tangent modulus evaluated from macroscopic stress-strain curve. In this work, we claim that this low value is real in the sense that it corresponds to the appropriate combination of elastic constants of the B19´ martensite phase forming the polycrystalline wire. Young s moduli of superelastic NiTi wires in austenite and stress-induced martensite states were evaluated by three different experimental methods (tensile tests, in situ synchrotron x-ray diffraction, and dynamic mechanical analysis) and estimated via theoretical calculation from elastic constants. The unusually low value of the Young s modulus of the martensite phase appearing in material property tables (<40 GPa) is generally ascribed in the literature to the fact that stress-driven martensitic transformation and/or twinning processes continue even beyond the transformation range and effectively decrease the value of the tangent modulus evaluated from macroscopic stress-strain curve. In this work, we claim that this low value is real in the sense that it corresponds to the appropriate combination of elastic constants of the B19´ martensite phase forming the polycrystalline wire. (en)
Title	Young´s modulus of austenite and martensite phases in superelastic NiTi wires Young´s modulus of austenite and martensite phases in superelastic NiTi wires (en)
skos:prefLabel	Young´s modulus of austenite and martensite phases in superelastic NiTi wires Young´s modulus of austenite and martensite phases in superelastic NiTi wires (en)
skos:notation	RIV/68378271:_____/14:00432480!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA14-15264S), P(GAP107/12/0800), P(GB14-36566G), P(GPP108/12/P111)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šittner, Petr Pilch, Jan Heller, Luděk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	56511
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00432480
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mechanical; modeling and simulation; non-ferrous metals (en)
http://linked.open.../riv/klicoveSlovo	non-ferrous metals mechanical modeling and simulation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[454CAB53B883]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Engineering and Performance
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Fatigue of NiTiX High Temperature Shape Memory Alloy Actuators /FACT/ Multidisciplinary research centre for advanced materials Optimization of microstructure and properties of SMA filaments through control of recovery processes during heat treatment by ultra short DC pulse Experimentally justified multiscale modelling of shape memory alloys
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Heller, Luděk Šittner, Petr Curfs, C. Pilch, Jan Alonso, T. Favier, D.
http://linked.open...ain/vavai/riv/wos	000339010700002
issn	1059-9495
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11665-014-0976-x

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