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Campo DCValorIdioma
dc.creatorAntunes, André da Silva-
dc.creatorSantos, Osmar de Sousa-
dc.creatorNaito, Leonardo Kenji Fudo-
dc.creatorRigo, Odair Dona-
dc.creatorOtubo, Jorge-
dc.date.accessioned2019-06-04T12:47:05Z-
dc.date.available2019-06-04T12:47:05Z-
dc.date.issued2018-
dc.identifier.citationANTUNES, A. da S. et al. The wire drawing mechanics of near-equiatomic NITI SMA. Materials Research, São Carlos, v. 21, n. 3, 2018.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/34597-
dc.description.abstractThe wire drawing mechanic of Ti-49.82Ni (at. %) Shape Memory Alloy (SMA) was investigated through the true stress-strain curves and drawing stresses. The tensile tested solution treated wire presented a four steps elongation at temperatures below the austenite finish temperature (AF), and a conventional one-step behavior above the martensite deformation temperature (MD). The tensile yield stress for the formation of detwinned martensite (DTM) or stress-induced martensite (SIM) increased as the testing temperature increased; however, for larger deformation, the behavior reversed. The efficiency of drawing work, which is the ratio of uniform work to total work, increased from 10% for 0.07 mm2.mm-2 area reduction at 25 °C to 50% for 0.21 mm2.mm-2 at 110 °C. Therefore, wire drawing temperature and area reduction should be combined to increase the efficiency, taking into account the desired properties with reasonable workability. Furthermore, transformation work should be considered on wire drawing shape memory alloys as phase transformation occurs in temperatures below MD.pt_BR
dc.languageen_USpt_BR
dc.rightsAttribution 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceMaterials Researchpt_BR
dc.subjectShape memory alloyspt_BR
dc.subjectWire drawingpt_BR
dc.subjectUniform workpt_BR
dc.subjectTransformation workpt_BR
dc.titleThe wire drawing mechanics of near-equiatomic NITI SMApt_BR
dc.typeArtigopt_BR
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