石墨烯/柔性聚乳酸自传感复合材料结构3D打印与性能研究

doi:10.3901/JME.2021.07.215

摘要/Abstract

摘要： 为了深入研究石墨烯复合材料压阻特性，解决压阻复合材料定量传感问题，实现自传感结构变形监测，通过球磨混合工艺和单螺杆挤出工艺制备了石墨烯/柔性聚乳酸复合丝材，采用材料挤出成形3D打印作为石墨烯/柔性聚乳酸自传感复合材料的结构成型工艺，对导电高分子复合材料的压阻特性展开研究，探究了不同载荷条件对复合材料压阻特性的影响规律，为实现自传感结构变形监测提供了可靠的依据。最后搭建了基于LabVIEW和实时数据采集模块的自传感结构变形重构实时监测系统，通过建立平面弯曲变形传感单元的计算模型，使用阵列传感单元实现了结构变形重构实时监测功能，其中重构形状误差低于3%。

关键词: 石墨烯复合材料, 压阻特性, 3D打印, 自传感, 变形重构

Abstract: In order to further study piezoresistive properties of graphene composites, solve the problem of quantitative sensing through piezoresistive composites, and realize the deformation monitoring of self-sensing structure, oxide graphene/flexible poly lactic acid (rGO/flexPLA) composites are prepared by ball mill mixing process and single screw extrusion process, and material extrusion modeling 3D printing process is used as the structure forming process of rGO/flexPLA self-sensing composite material. Piezoresistive properties of the conductive polymer composites are studied. The influence of different load conditions on the piezoresistive properties of composite materials is explored, and it provided a reliable basis for realizing self-sensing structural deformation monitoring. Finally, a real-time monitoring system for morphing and reconstruction of self-sensing structures based on LabVIEW and real-time data acquisition module is built. By establishing the calculation model of the plane bending deformation sensing unit, the array sensing unit is used to realize the real-time monitoring function of structural deformation reconstruction, and the reconstructed shape error is less than 3%.

Key words: graphene composites, piezoresistive properties, 3D printing, self-sensing, deformation reconstruction

中图分类号:

TH16
TB33

田小永, 闫万权, 黄兰, 王清瑞, 李涤尘. 石墨烯/柔性聚乳酸自传感复合材料结构3D打印与性能研究[J]. 机械工程学报, 2021, 57(7): 215-223.

TIAN Xiaoyong, YAN Wanquan, HUANG Lan, WANG Qingrui, LI Dichen. Graphene/Flexible Polylactic Acid Self-sensing Composite Structures 3D Printing and Performance[J]. Journal of Mechanical Engineering, 2021, 57(7): 215-223.

参考文献

[1] WANG Q,TIAN X,HUANG L,et al. Programmable morphing composites with embedded continuous fibers by 4D printing[J]. Materials & Design,2018,155:404-413.
[2] MA Z,CHEN X. Fiber Bragg gratings sensors for aircraft wing shape measurement:Recent applications and technical analysis[J]. Sensors,2019,19(1):55.
[3] YIN W,FU T,LIU J,et al. Structural shape sensing for variable camber wing using FBG sensors[C]//Proceedings of SPIE-The International Society for Optical Engineering,2009:72921H.
[4] GARCÍA I,ZUBIA J,DURANA G,et al. Optical fiber sensors for aircraft structural health monitoring[J]. Sensors,2015,15(7):15494-15519.
[5] SANTE R D. Fiber optic sensors for structural health monitoring of aircraft composite structures:Recent advances and applications[J]. Sensors,2015,15(8):18666-18713.
[6] GHERLONE M,CERRACCHIO P,MATTONE M. Shape sensing methods:Review and experimental comparison on a wing-shaped plate[J]. Progress in Aerospace Sciences, 2018,99:14-26.
[7] ZHOU J,CAI Z,ZHAO P,et al. Efficient sensor placement optimization for shape deformation sensing of antenna structures with fiber Bragg grating strain sensors[J]. Sensors,2018,18(8),2481-2501.
[8] LEE B H,KIM Y H,PARK K S,et al. Interferometric fiber optic sensors[J]. Sensors,2012,12(3):2467-2486.
[9] 杨文彬,张丽,刘菁伟,等. 石墨烯复合材料的制备及应用研究进展[J]. 材料工程,2015,43(3):91-97. YANG Wenbin,ZHANG Li,LIU Jingwei,et al. Progress in research on preparation and application of graphene composites[J]. Journal of Materials Engineering,2015,43(3):91-97.
[10] ZHENG Q B,IP W H,LIN X Y,et al. Transparent Conductive films consisting of ultralarge graphene sheets produced by langmuir-blodgett assembly[J]. ACS Nano,2011,5(7):6039-6051.
[11] YAO H B,GE J,WANG C F,et al. A flexible and highly pressure-sensitive graphene-polyurethane sponge based on fractured microstructure design[J]. Advanced Materials,2013,25(46):6692-6698.
[12] HARISH D,KARTIK Y,MATHILDA S,et al. Embedded piezoresistive pressure sensitive pillars from piezo- resistive carbon black composites towards a soft large-strain compressive load sensor[J]. Sensors and Actuators,A:Physical,2019,285:645-651.
[13] PAN F,CHEN S,LI Y,et al. 3D graphene films enable simultaneously high sensitivity and large stretchability for strain sensors[J]. Advanced Functional Materials,2018:1803221.
[14] AGEE S K. Embedded large strain sensors with graphene-carbon black-silicone rubber composites[J]. Sensors and Actuators,A:Physical,2018,282:206-214.
[15] TRAN Q T. An all-elastomeric transparent and stretchable temperature sensor for body-attachable wearable electronics[J]. Adv. Mater.,2016,28:502-509.
[16] ZHANG S,CAI L,LI W,et al. Fully printed silver-nanoparticle-based strain gauges with record high sensitivity[J]. Advanced Electronic Materials,2017,3(7):1700067.
[17] VATANI M,LU Y,ENGEBERG E D,et al. Combined 3D printing technologies and material for fabrication of tactile sensors[J]. International Journal of Precision Engineering and Manufacturing. 2015,16(7):1375-1383.
[18] KIM K,PARK J,SUH J,ET al. 3D printing of multiaxial force sensors using carbon nanotube (CNT)/thermoplastic polyurethane (TPU) filaments[J]. Sensors and Actuators A:Physical. 2017,263:493-500.
[19] GUO S,QIU K,MENG F,et al. 3D printed stretchable tactile sensors[J]. Advanced Materials,2017,29(27):1701218.
[20] SAARI M,XIA B,COX B,et al.Fabrication and analysis of a composite 3D printed capacitive force sensor[J]. 3D Printing and Additive Manufacturing,2016,3(3):137- 141.
[21] AGARWALA S,GOH G L,YAP Y L,et al. Development of bendable strain sensor with embedded microchannels using 3D printing[J]. Sensors and Actuators A:Physical,2017,263:593-599.
[22] SONG J H,KIM Y T,CHO S,et al. Surface-embedded stretchable electrodes by direct printing and their uses to fabricate ultrathin vibration sensors and circuits for 3D structures[J]. Advanced Materials,2017,29(43):1702625.
[23] YAO X,LUAN C,ZHANG D,et al. Evaluation of carbon fiber-embedded 3D printed structures for strengthening and structural-health monitoring[J]. Materials & Design, 2017,114:424-432.
[24] GIANNI S,ATTILIO D N,ANNAMARIA L,et al. Additive manufacturing and characterization of a load cell with embedded strain gauges[J]. Precision Engineering, 2020,62:113-120.
[25] GNANASEKARAN K,HEIJMANS T,van BENNEKOM S,et al. 3D printing of CNT- and graphene-based conductive polymer nanocomposites by fused deposition modeling[J]. Applied Materials Today,2017,9:21-28.
[26] FOO C Y,LIM H N,MAHDI M A,et al. Three-dimensional printed electrode and its novel applications in electronic devices[J]. Scientific Reports,2018,8(1):7399.
[27] WEI X,LI D,JIANG W,et al. 3D printable graphene composite[J]. Scientific Reports,2015,5(1):11181.
[28] ZHANG Di,CHI Baihong,et al. Fabrication of highly conductive graphene flexible circuits by 3D printing[J]. Synthetic Metals,2016,217:79-86.
[29] AN B,MA Y,LI W,et al. Three-dimensional multi-recognition flexible wearable sensor via graphene aerogel printing. [J]. Chemical Communications,2016,52(73):10948-10951.
[30] MUTH J T,VOGT D M,TRUBY R L,et al. Embedded 3D printing of strain sensors within highly stretchable elastomers[J]. Adv. Mater.,2014,26(36):6307-6312.
[31] HUANG K,DONG S,YANG J,et,al. Three-dimensional printing of a tunable graphene- based elastomer for strain sensors with ultrahigh sensitivity[J]. Carbon,2019,143:63-72.
[32] RAJAGOPAL C,SATYAM M. Studies on electrical conductivity of insulator-conductor composites[J]. Journal of Applied Physics,1978,49(11):5536-5542.
[33] 何超. 基于光纤光栅的飞行器结构健康监测技术研究[D]. 南京:南京航空航天大学,2015. HE Chao. Aircraft structure health detection based on fiber bragg grating[D]. Nanjing:Nanjing University of Aeronautics and Astronautics,2015.