About: On the effect of deformation twins on stability of B19' structure in NiTi martensite

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About: On the effect of deformation twins on stability of B19' structure in NiTi martensite Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present study is focused on discrepancy between theoretically predicted (base centered orthorhombic B33) and experimentally observed (monoclinic B19') ground state structures of NiTi martensite. In particular, we deal with a hypothesis on possible effect of presence of twins on the martensite structure. Several models of (100) twins in NiTi martensite (representing several twin densities) are studied from first principles. Computational supercells are fully optimized in order to reach almost stress-free state for each twin model. Our results show that the presence of twins has a significant influence on crystal geometry that tends to stabilize B19' structure rather than the B33 one, at least for higher twin densities. The present study is focused on discrepancy between theoretically predicted (base centered orthorhombic B33) and experimentally observed (monoclinic B19') ground state structures of NiTi martensite. In particular, we deal with a hypothesis on possible effect of presence of twins on the martensite structure. Several models of (100) twins in NiTi martensite (representing several twin densities) are studied from first principles. Computational supercells are fully optimized in order to reach almost stress-free state for each twin model. Our results show that the presence of twins has a significant influence on crystal geometry that tends to stabilize B19' structure rather than the B33 one, at least for higher twin densities. (en)
Title	On the effect of deformation twins on stability of B19' structure in NiTi martensite On the effect of deformation twins on stability of B19' structure in NiTi martensite (en)
skos:prefLabel	On the effect of deformation twins on stability of B19' structure in NiTi martensite On the effect of deformation twins on stability of B19' structure in NiTi martensite (en)
skos:notation	RIV/00216305:26210/14:PU107598!RIV15-MSM-26210___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(EE2.3.30.0005), P(GAP107/12/0800), S
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šesták, Petr Černý, Miroslav Pokluda, Jaroslav
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	34432
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/14:PU107598
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nitinol, twinning, structure stabilization, ab initio calculations (en)
http://linked.open.../riv/klicoveSlovo	ab initio calculations nitinol twinning structure stabilization
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[707A1EA26730]
http://linked.open...i/riv/nazevZdroje	COMPUTATIONAL MATERIALS SCIENCE
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Fatigue of NiTiX High Temperature Shape Memory Alloy Actuators /FACT/ Central european institute of technology Support of Interdisciplinary Excellence Research Teams Establishment at BUT
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	87
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Černý, Miroslav Šesták, Petr
http://linked.open...ain/vavai/riv/wos	000333972700014
issn	0927-0256
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.commatsci.2014.02.012
http://localhost/t...ganizacniJednotka	26210

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