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Design and thermo-mechanical analysis of a new NiTi shape memory alloy fixing clip

机译:一种新型NiTi形状记忆合金固定夹的设计和热力学分析

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摘要

In this work, a new NiTi shape memory alloy (SMA) bone fixator is proposed. Thanks to the shape memory effect, this device does not need any external tool for the fixation, as the anchorage is obtained only by the self-accommodation of the clip during the parent transformation. Calorimetry and thermo-mechanical tests were used to evaluate the phase transformation temperatures and to estimate the forces generated both during the fixing surgical procedure and after the surgical operation. An application on animal anatomical sample was also performed; an appropriate mechanical tightness as well as a good handiness has been found.
机译:在这项工作中,提出了一种新型的NiTi形状记忆合金(SMA)骨固定器。由于形状记忆效应,该设备不需要任何外部工具进行固定,因为仅在父转换过程中通过夹子的自我容纳来获得锚固。量热法和热机械测试用于评估相变温度,并估计固定手术过程中和手术后产生的力。还对动物解剖学样品进行了应用;已经发现适当的机械密封性和良好的手感。

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