期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 90, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.euromechsol.2021.104374
关键词
Hard-magnetic soft beams; Large deformation; Magnetic field; Anticlastic bending
类别
资金
- Institute of Eminence Research Initiative Project on Materials and manufacturing for Futuristic mobility [SB20210850MMMHRD008275]
This study focuses on the large bending deformation of hard magnetic soft hyperelastic beams under an applied magnetic field, calculating the principal stress in the cross-sections and using a Prony series approximation to capture the time dependent response of material properties. The model was verified by comparison to previous experimental, numerical and analytical results.
Soft-materials that respond to external stimuli are very useful for application in soft robotics, stretchable electronics, biomedical applications etc. Recent times have seen a surge in research of magnetically activated polymers due to their wide range of material properties, applications and important features such as non contact, fast and non-invasive actuation. Furthermore, these applications ask for Hard-magnetic particles, which can retain their magnetization even after the applied magnetic field has been removed. In this work, we focus on developing a thermodynamically-consistent analytical solution to the large bending deformation of hard magnetic soft hyperelastic beams under the influence of an applied uniform magnetic field. The principal stress in the cross-sections, which arise due to anticlastic bending were also calculated. Lastly, a Prony series approximation was used to encapsulate the time dependent response of the material properties of the soft beam. The model was verified by comparing the results to previously developed experimental, numerical and analytical results.
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