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18 April 2023 Phase field modeling of fracture in Ni2MnGa magnetic shape memory alloys (Conference Presentation)
Glen D'Silva, Constantin Ciocanel
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Proceedings Volume PC12484, Behavior and Mechanics of Multifunctional Materials XVII; PC1248402 (2023) https://doi.org/10.1117/12.2658627
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States
Abstract
In this study, we numerically implemented the first iteration of a novel phase field based theoretical framework to predict the fracture mechanics of Ni2MnGa MSMAs. The proposed variational phase field fracture mechanics model uses an energy balance framework that accounts for the strain energy (elastic and reorientation), Zeeman and magnetic anisotropy energies, as well as the fracture surface energy. The model predictions are preliminarily validated against experimental data obtained during Vickers micro indentation, while a formal experimental program is developed for traditional tests on crack initiation and growth.
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Glen D'Silva and Constantin Ciocanel "Phase field modeling of fracture in Ni2MnGa magnetic shape memory alloys (Conference Presentation)", Proc. SPIE PC12484, Behavior and Mechanics of Multifunctional Materials XVII, PC1248402 (18 April 2023); https://doi.org/10.1117/12.2658627
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KEYWORDS
Magnetism
Shape memory alloys
Mechanics
Data modeling
Actuators
Anisotropy
Magnetic sensors
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