Magnetic Characterization of Ferromagnetic Shape Memory Components Under Defined Mechanical Loading

Magnetic Characterization of Ferromagnetic Shape Memory Components Under Defined Mechanical Loading
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确定机械负载下铁磁形状记忆元件的磁特性

DOI:
10.1007/s40830-020-00266-2
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发表时间:
2020
影响因子:
2.2
通讯作者:
H. Neubert
H. Neubert
中科院分区:
--
文献类型:
--
作者:
F. Ehle;P. Neumeister;E. Haufe;H. Neubert

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本文介绍了一种新的测试程序的准静态磁特性的FSMA(铁磁形状记忆合金)组件在机械载荷下的致动器级建模使用。它的发展是必要的,因为某些要求来自典型的FSMA组件的孪生结构和形状,而这些要求到目前为止还不能满足现有的测试装置。通过参考样品和FE模拟验证了在开发的测试装置中进行的测量。讨论了系统的误差来源,计算了系统的主要误差.在校正剩余的误差后,所获得的数据与文献中的数据对应良好,并显示出物理一致性。因此,开发的测试程序能够测量FSMA组件在机械负载下的有效但绝对的磁化行为。这些数据可以直接应用于任何类型的致动器级模型。
The present paper introduces a novel test procedure for the quasistatic magnetic characterization of FSMA (ferromagnetic shape memory alloy) components under mechanical loading for the use in actuator-level modeling. Its development was necessary due to certain requirements coming from the twin structure and shape of typical FSMA components which are not met by the presented test setups up to now. The measurements carried out in the developed test setup are verified by a reference sample and FE simulations. Error sources are discussed and the main systematic error is calculated. After correcting the remaining error, the acquired data correspond well to data from the literature and show a physical consistency. The developed test procedure is hence able to measure effective but absolute magnetization behavior of FSMA components under mechanical loading. These data can directly be applied to any kind of actuator-level models.
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