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首页> 外文期刊>Journal of Manufacturing Processes >Strain sensing behaviour of 3D printed carbon black filled ABS
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Strain sensing behaviour of 3D printed carbon black filled ABS

机译：3D打印炭黑填充ABS的应变传感行为

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摘要

Carbon Black filled Acrylonitrile Butadiene Styrene (ABS) was used to prepare a polymer composite by Fused Deposition Modeling (FDM) technology. The effect of printing setup on the strain sensing behavior of the composite was investigated, targeting the fabrication of a functionalized composite that is able to detect stress or strain changes in engineering members. Experimental work revealed that internal stresses can be detected based on monitoring the change in resistance as a response to strain. Measurements across sample thickness were found to be most suitable for making general statements about the resistivity of the samples. Hereby, the resistance depends on the intrinsic and the process specific properties of the material. The printing setup was systematically varied in terms of raster angle and gap width. to yield the most sensitive constellation for conductivity The use of a negative gap between the individual rasters in combination with a raster angle of + /-45 degrees was observed to have a positive influence on intensifying the detected signals, making this constellation most sensible for strain sensing applications. Hence, the intrinsic properties of material were enhanced by the adequate selection of processing parameters. This study shows that the functionalized composite can be used as a strain sensor as for health monitoring purposes, to give an example.
机译：炭黑填充的丙烯腈丁二烯苯乙烯（ABS）用于通过熔融沉积建模（FDM）技术制备聚合物复合材料。研究了印刷设置对复合材料应变感应行为的影响，目标是制造能够检测工程构件中应力或应变变化的功能化复合材料。实验工作表明，可以通过监测电阻变化（作为对应变的响应）来检测内部应力。发现跨样品厚度的测量最适合于对样品的电阻率做出一般性陈述。因此，电阻取决于材料的固有特性和特定过程的特性。打印设置在光栅角度和间隙宽度方面进行了系统改变。产生对电导率最敏感的星座图观察到单个栅格之间的负间隙与+/- 45度栅格角的组合使用对增强检测到的信号有积极影响，从而使该星座图对应变最敏感传感应用。因此，通过适当选择加工参数可以增强材料的固有特性。这项研究表明，该功能化复合材料可以用作应变传感器，以进行健康监测，以举一个例子。

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