NDLI: Electro-thermomechanical properties of superelasticity in single crystals shape memory alloys

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Electro-thermomechanical properties of superelasticity in single crystals shape memory alloys

Content Provider	Scilit
Author	Gonzalez, Cezar Henrique Oliveira, Carlos Augusto Do Nascimento de Pina, Euclides Apolinário Cabral Filho, Severino Leopoldino Urtiga de Araújo Filho, Oscar Olimpio
Copyright Year	2010
Description	In this work, superelastic behavior of single crystals shape memory alloys has been investigated by the electric resistivity (ER) measure technique coupled simultaneously during traction tests. Samples in austenitic phase were submitted to stress induced martensite (SIM) under several conditions such as: different temperatures, different deformation rate, throughout successive martensitic transformations and different crystallographic orientation axes. ER vs. deformation curves presented a linear relation without hysteresis and independence on temperature. In the case on the increasing of deformation rate, these curves show a little hysteresis due to adiabatic transformations. For samples submitted to successive transformations, ER curves showed changes with induced martensite types. In samples of the same alloy with different crystallographic orientations was observed that single variant martensite nucleation presented distinct values, this characterizes martensite electric resistivity anisotropy
Related Links	http://www.scielo.br/scielo.php?script=sci_pdf&pid=S1516-14392010000200018&lng=en&nrm=iso&tlng=en
Ending Page	238
Page Count	6
Starting Page	233
ISSN	15161439
e-ISSN	19805373
DOI	10.1590/s1516-14392010000200018
Journal	Materials Research
Issue Number	2
Volume Number	13
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2010-06-01
Access Restriction	Open
Subject Keyword	Materials Research Metallurgy and Metallurgical Engineering Electro Thermomechanical Thermomechanical Properties
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Materials Science Mechanical Engineering

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