dc.contributor.author |
RIDAURA, R |
|
dc.contributor.author |
GOMEZ, R |
|
dc.contributor.author |
ESCUDERO, R |
|
dc.contributor.author |
RíosJARA, D |
|
dc.contributor.author |
Jiménez, M |
|
dc.contributor.author |
Aburto, S |
|
dc.contributor.author |
Marquina, V |
|
dc.contributor.author |
Marquina-Fábrega, María Luisa |
|
dc.date.accessioned |
2011-01-22T10:28:26Z |
|
dc.date.available |
2011-01-22T10:28:26Z |
|
dc.date.issued |
1994 |
|
dc.identifier.issn |
1044-5803 |
|
dc.identifier.uri |
http://hdl.handle.net/11154/3092 |
|
dc.description.abstract |
Results for resistance versus temperature, differential scanning calorimetry (DSC), Mossbauer spectroscopy, and magnetic susceptibility measurements in a Ti50Ni47Fe3 sample are presented. The resistance versus temperature curve shows a sharp increase at 245K and then rises slowly until a maximum is attained at almost-equal-to 150K. The DSC curve also exhibits a peak at the former temperature. The room temperature Mossbauer spectrum consists of a single line. As the temperature is lowered to 270K, a small asymmetric quadrupole doublet appears. The isomer shift and quadrupole splitting values of this doublet increase with decreasing temperature until almost constant values are achieved at temperatures almost-equal-to 100K. The magnetic susceptibility curve shows a sharp decrease that begins at 255K and then an unexpected increase at 90K. We relate these observations with a charge density wave-driven premartensitic transition in this system, and with the final martensitic phase. |
en_US |
dc.language.iso |
en |
en_US |
dc.title |
STRUCTURAL TRANSITIONS IN A TINIFE SHAPE-MEMORY ALLOY |
en_US |
dc.type |
Article |
en_US |
dc.identifier.idprometeo |
3270 |
|
dc.source.novolpages |
32(3):189-193 |
|
dc.subject.wos |
Materials Science, Characterization & Testing |
|
dc.description.index |
WoS: SCI, SSCI o AHCI |
|
dc.relation.journal |
Materials Characterization |
|