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Stress-induced transformation behavior of a polycrystalline NiTi shape memory alloy: micro and macromechanical investigations via in situ optical microscopy

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Title: Stress-induced transformation behavior of a polycrystalline NiTi shape memory alloy: micro and macromechanical investigations via in situ optical microscopy
Authors: Brinson, L. Catherine1 cbrinson@northwestern.edu, Schmidt, Ina2, Lammering, Rolf2
Source: Journal of the Mechanics & Physics of Solids. Jul2004, Vol. 52 Issue 7, p1549-1571. 23p.
Subjects: Microscopy, Strains & stresses (Mechanics), Alloys, Solids
Abstract: An experimental investigation of the micro and macromechanical transformation behavior of polycrystalline NiTi shape memory alloys was undertaken. Special attention was paid to macroscopic banding, variant microstructure, effects of cyclic loading, strain rate and temperature effects. Use of an interference filter on the microscope enabled observation of grain boundaries and martensitic plate formation and growth without recourse to etching or other chemical surface preparation. Key results of the experiments on the NiTi include observation of localized plastic deformation after only a few cycles, excellent temperature and stress relaxation correlation, a refined definition of “full transformation” for polycrystalline materials, and strain rate dependent effects. Several of these findings have critical implications for understanding and modeling of shape memory alloy behavior. [Copyright &y& Elsevier]
Copyright of Journal of the Mechanics & Physics of Solids is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 13106704
AccessLevel: 6
PubType: Periodical
PubTypeId: serialPeriodical
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  Data: Stress-induced transformation behavior of a polycrystalline NiTi shape memory alloy: micro and macromechanical investigations via in situ optical microscopy
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  Data: <searchLink fieldCode="AR" term="%22Brinson%2C+L%2E+Catherine%22">Brinson, L. Catherine</searchLink><relatesTo>1</relatesTo><i> cbrinson@northwestern.edu</i><br /><searchLink fieldCode="AR" term="%22Schmidt%2C+Ina%22">Schmidt, Ina</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Lammering%2C+Rolf%22">Lammering, Rolf</searchLink><relatesTo>2</relatesTo>
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  Data: An experimental investigation of the micro and macromechanical transformation behavior of polycrystalline NiTi shape memory alloys was undertaken. Special attention was paid to macroscopic banding, variant microstructure, effects of cyclic loading, strain rate and temperature effects. Use of an interference filter on the microscope enabled observation of grain boundaries and martensitic plate formation and growth without recourse to etching or other chemical surface preparation. Key results of the experiments on the NiTi include observation of localized plastic deformation after only a few cycles, excellent temperature and stress relaxation correlation, a refined definition of “full transformation” for polycrystalline materials, and strain rate dependent effects. Several of these findings have critical implications for understanding and modeling of shape memory alloy behavior. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Journal of the Mechanics & Physics of Solids is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jmps.2004.01.001
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        Text: English
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      – TitleFull: Stress-induced transformation behavior of a polycrystalline NiTi shape memory alloy: micro and macromechanical investigations via in situ optical microscopy
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              Text: Jul2004
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              Y: 2004
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