Evaluate of mechanical properties evolution associated with the shape memory effect and superelasticity in Ni-Ti alloy wires

Samples studied in this work were originated from Ti-rich Ni-Ti alloys wires, with shape effect memory above room temperature and supposed to have superelastic behaviour at temperatures above approximately 100 degree C, subject to thermomechanical processing in industrial scale and subsequently heat...

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Published inTecnologia em Metalurgia, Materiais e Mineracao Vol. 20110718; pp. 1652 - 1661
Main Authors Silva, Daniel De Carvalho, Andrade, Taffael Gongalves, Ribeiro, Shimeni Baptista, Paula, Andersan Dos Santos, Mahesh, Karimbi Koosapa, Fernandes, Francisco Manuel Braz, Otubo, Jorge
Format Journal Article
LanguageEnglish
Published 01.01.2011
Subjects
Differential scanning calorimetry
Evolution
Intermetallic compounds
Mechanical properties
Nickel base alloys
Superelasticity
Thermomechanical treatment
Titanium base alloys
Wire
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ISSN2176-1515

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Summary:Samples studied in this work were originated from Ti-rich Ni-Ti alloys wires, with shape effect memory above room temperature and supposed to have superelastic behaviour at temperatures above approximately 100 degree C, subject to thermomechanical processing in industrial scale and subsequently heat treated in laboratorial scale. The mechanical properties of the samples with distinct processing conditions were evaluated by tensile test at distinct temperatures at martensite and austenite states, which were previously determined by Differential Scanning Calorimetry DSC) thermal analyses.
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ISSN:2176-1515