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首页> 外文会议>Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments >Experimental Analysis of the Pseudoelasticity of Nitinol Shape Memory Alloy Helical Springs
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Experimental Analysis of the Pseudoelasticity of Nitinol Shape Memory Alloy Helical Springs

机译：镍钛烯醇形状记忆合金螺旋弹簧假弹性的实验分析

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摘要

As one of the most popular smart materials in recent years, Shape memory alloys (SMAs) attract more and more researchers' attention. It is an innovative research direction to use the coil springs made of SMAs to make tuned mass dampers (TMDs) for reducing vibration. Although some researchers have proposed interesting conceptions and numerical models of TMD, so far practical TMDs are seldom found in the literature. Therefore, more comprehensive research and tests need to be conducted. In this paper, the influence of multiple factors, which include spring processing technology, geometric dimension, and loading mode, on the pseudoelasticity of the SMA spring under indoor temperature is studied by a series of tests. Especially, the force-displacement relationship curves of the SMA spring under complex dynamic loads are obtained in detail. The results of this research are significant for us to further understand the mechanical performance of the pseudoelastic shape memory alloy helical springs, and it is useful to promote the application of shape memory alloy helical springs to the practical engineering, especially in the field of structural vibration control.
机译：作为近年来最受欢迎的智能材料之一，形状记忆合金（SMA）吸引了越来越多的研究人员的注意。它是一种创新的研究方向，用于使用由SMA制成的螺旋弹簧进行调谐质量阻尼器（TMDS）以减少振动。虽然一些研究人员已经提出了有趣的概念和TMD的数值模型，但到目前为止，在文献中很少发现实际的TMDS。因此，需要进行更全面的研究和测试。本文采用了一系列测试，研究了包括弹簧加工技术，几何尺寸和装载模式的多因素，包括弹簧加工技术，几何尺寸和加载模式的影响。特别地，详细地获得了复杂的动态载荷下SMA弹簧的力 - 位移关系曲线。该研究的结果对于我们进一步了解伪弹性形状记忆合金螺旋弹簧的机械性能，并且可以促进形状记忆合金螺旋弹簧对实际工程的应用是有用的，特别是在结构振动领域控制。

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