Self‐Healing and Shape‐Memory Superconducting Devices,Macromolecular Materials and Engineering

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Self‐Healing and Shape‐Memory Superconducting Devices
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2019-12-17 , DOI: 10.1002/mame.201900581
Xiaoling Zang ₁ , Yonglin He ₂ , Zizheng Fang ₃ , Xusheng Wang ₁ , Junhui Ji ₁ , Yapei Wang ₂ , Mianqi Xue ₁

Affiliation

Intelligent materials possess the function of self‐judgment and self‐optimization while sensing external stimuli such as stress, temperature, moisture, pH, electric or magnetic fields, or light. Besides, they often require self‐healing—the ability to repair damage spontaneously—or shape‐memory—the ability to return from a deformed state to their original shape induced by an external stimulus. Introducing such intelligence into superconducting (SC) devices is highly desirable to meet the critical requirement of maintenance‐free performance. Here, self‐healing and shape‐memory functions are realized in liquid metal based SC devices using smart packaging polymers. Without deteriorating their superconductivity, the SC devices can repair themselves by simply raising the temperature, without any other treatment. Beyond the specific functions achieved here, this work sheds new light on future SC devices with advanced functions such as self‐diagnosis, self‐adjusting, and sensing.

中文翻译：

自愈和形状记忆超导设备

智能材料具有自我判断和自我优化的功能，同时可以感应外部刺激，例如压力，温度，湿度，pH，电场或磁场或光。此外，它们通常需要自我修复（能够自发地修复损伤的能力）或形状记忆（由于外部刺激而从变形状态恢复到原始形状的能力）。为了满足免维护性能的关键要求，将这种智能引入超导（SC）设备是非常必要的。在这里，自我修复和形状记忆功能是在使用智能包装聚合物的基于液态金属的SC设备中实现的。在不降低其超导性的前提下，SC设备只需简单地升高温度即可进行自我修复，而无需任何其他处理。

更新日期：2020-02-14

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