Experimental and numerical investigation of thermomechanical cycling of notched NiTi shape memory ribbon using SMA model accounting for plastic deformation

Experimental and numerical investigation of thermomechanical cycling of notched NiTi shape memory ribbon using SMA model accounting for plastic deformation

Shape memory alloys (SMAs) are being increasingly applied as thermally driven actuators. The commercially available SMA elements, however, frequently contain stress risers, either due to internal or surface defects or due to the required component shape. Stress risers represent a potential danger fo...

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Bibliographic Details
Main Authors: Pejman Shayanfard, Luděk Heller, Pavel Šandera, Petr Šittner
Format: Article
Language:English
Published: Elsevier 2021-11-01
Series:Journal of Materials Research and Technology
Subjects:
Shape memory alloy actuator
Thermal actuator
Stress riser
Martensitic transformation
Plastic deformation
Conventional plasticity
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785421009571

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http://www.sciencedirect.com/science/article/pii/S2238785421009571

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