Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE

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dc.contributor.author Kocich, Radim
dc.contributor.author Szurman, Ivo
dc.contributor.author Kursa, Miroslav
dc.contributor.author Fiala, Jaroslav
dc.date.accessioned 2009-06-19T13:20:08Z
dc.date.available 2009-06-19T13:20:08Z
dc.date.issued 2009
dc.identifier.citation Materials science and engineering. A, Structural materials : properties, microstructure and processing. 2009, vol. 512, issues 1-2, p. 100-104. en
dc.identifier.issn 0921-5093
dc.identifier.uri http://hdl.handle.net/10084/71326
dc.description.abstract The work objective was focused on investigation of deformation behaviour of NiTi-based shape memory alloys with respect to technology of their preparation. Deformation behaviour was assessed by unconventional forming methods, particularly by equal channel angular extrusion (ECAE)—but in combination with preceding rotary forging (swaging). Classical light microscopy, as well as X-ray diffraction, was used for evaluation of structural framework of castings and of material after forming. It was established that the alloy Ni50.6–Ti (at.%) after ECAE and re-crystallisation annealing shows bi-modal distribution of mosaic blocks, i.e. mosaic blocks larger than 10 μm and blocks smaller than 10 μm. For determination of re-crystallisation temperature in deformed materials 7 modes of heat treatment were applied. It was proven that the temperature of 600 °C was the starting temperature that initiated re-crystallisation. en
dc.language.iso en en
dc.publisher Elsevier en
dc.relation.ispartofseries Materials science and engineering. A, Structural materials : properties, microstructure and processing en
dc.relation.uri http://dx.doi.org/10.1016/j.msea.2009.01.054 en
dc.subject shape memory alloy en
dc.subject swaging en
dc.subject ECAE en
dc.subject heat treatment en
dc.subject RTG en
dc.title Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE en
dc.type article en
dc.identifier.location Není ve fondu ÚK en
dc.identifier.doi 10.1016/j.msea.2009.01.054
dc.identifier.wos 000266577000015

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