Topographic Study of Shape Memory Alloy Wires Used as Actuators in Smart Materials
Topographic Study of Shape Memory Alloy Wires Used as Actuators in Smart Materials
复制标题
用作智能材料执行器的形状记忆合金线的形貌研究
DOI：
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
C. Lexcellent
中科院分区：
文献类型：
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作者：
B. Gabry;F. Thiebaud;C. Lexcellent
本工作的目的是表征形状记忆合金丝（SMA）和树脂环氧树脂基体之间的界面。更确切地说，我们希望将丝的粗糙度与纤维/基质之间的粘附力相关联。SMA NiTi丝的纤维/基体界面的质量上施加的各种表面处理的效果，并进行了讨论。首先，对不同的金属丝进行轮廓测量研究。确定表征粗糙度和丝形态的垂直分布的参数。地形研究表明，所施加的表面处理强烈修改的外表面的线。在这项工作的第二部分中，通过使用拔出测试来量化纤维/基质的粘附。对这些实验结果进行了分析，并与粗糙度参数进行了比较。这种比较研究使我们能够确定丝的形态，这将保证最好的粘合纤维/基质。粗糙度参数足以选择将嵌入树脂中的线。
The aim of this work is to characterize the interface between a shape memory alloy wire (SMA) and a resin epoxy matrix. More precisely, we want to associate the roughness of the wire with the adhesion between the fiber/matrix. The effect of various surface treatments applied to SMA NiTi wires on the quality of the fiber/matrix interface is presented and discussed. First, a profilometric study is carried out on the different wires. The parameters, which characterize the vertical distribution of the roughness and the wire morphology, are determined. The topographic study reveals that the surface treatments which are applied strongly modify the external surface of the wire. In the second part of this work the adhesion fiber/matrix is quantified by using a pull-out test. These experimental results are analyzed and compared with the roughness parameters. This comparative study enables us to determine the wire morphology which will guarantee the best adhesion fiber/matrix. The roughness parameters are sufficient for the choice of the wire which will be embedded into the resin.