Gerilim Sensörü Uygulamaları İçin Çok Duvarlı Karbon Nanotip Dolgulu Elastomer Nanokompozitlerin Piezodirenç Özelliklerinin Araştırılması
Year 2021,
Issue: 25, 370 - 379, 31.08.2021
Hasan Kasım
Abstract
Elastomer matris ve çok duvarlı karbon nanotüp (MW-CNT) dolgu malzemeleri ile hazırlanan nanokompozitlerin piezodirenç değişimine göre gerilme sensörü olarak kullanılma olasılığı araştırılmıştır. Farklı konsantrasyonlar da MW-CNT ile doldurulmuş elastomer esaslı nanokompozitlerin deformasyon davranışlarını belirlemek için piezodirenç mekanizmasının sistematik bir çalışması gerçekleştirildi. Hazırlanan numunelerin serbest halde iletkenlikleri ölçülmüş ve süzülme eşiğini işaret eden kritik dolgu miktar aralığı tespit edilmiştir. Nanokompozit numunelerine uygulanan gerilmeye bağlı uzamaların neden olduğu direnç değişiklikleri, sırasıyla doğrusal ve doğrusal olmayan iki farklı bölgede piezo davranış göstermiştir. Direnç değişikliğinden, uygulanan gerilmeye bağlı uzamanın bir fonksiyonu olarak hesaplanan ölçüm faktörü, doğrusal bölge için yaklaşık 90 ve doğrusal olmayan bölge için 270 olarak ölçülmüştür. Ağırlıkça %2,92 oranında MW-CNT dolgulu nanokompozitler, %90 ve %150 uzamalar ile yapılan tekrarlı yükleme testlerinde tekrarlana bilirlik ve mükemmel geriye dönüş performansı göstermiştir. Bu çalışma, elastomer malzemelere uygun oranlarda MW-CNT’ler ekleyerek piezodirenç özellikler kazandırdıklarını ve yüksek uzama gerektiren dinamik çalışma ortamlarında hassas gerilim sensörleri olarak kullanılabileceğini göstermiştir.
Supporting Institution
Pega Otomotiv San. Ve Tic. A.Ş
Thanks
Yapılan çalışmalarda laboratuvar olanaklarından yararlanmamızı sağlayan Pega Otomotiv A.Ş. firmasına teşekkür ederim.
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Investigation of Piezoresistive Properties of Multi-walled Carbon Nanotube Filled Elastomer Nanocomposites for Strain Sensor Application
Year 2021,
Issue: 25, 370 - 379, 31.08.2021
Hasan Kasım
Abstract
The possibility of using nanocomposites prepared with elastomer matrix and multi-walled carbon nanotube (MW-CNT) filler materials as a strain sensor according to the change of piezoresistance was investigated. A systematic study of the piezoresistive mechanism was realized to determine the deformation behavior of elastomer nanocomposites filled with MW-CNT at different concentrations. By measuring the prepared samples' free-state electrical conductivity, the critical filler material amount range indicating the percolation threshold was determined. The resistance changes caused by strains due to the stress applied to nanocomposite specimens showed piezo behavior in two different regions, linear and nonlinear, respectively. The gauge factor found using the change of resistance as a function of the strain was measured as approximately 90 for the linear region and 270 for the non-linear region. MW-CNT filled nanocomposites with a ratio of 2.92% by weight showed reproducibility and excellent recovery performance in cyclic loading tests with 90% and 150% strains. This study showed that by adding MW-CNTs to elastomer materials in optimum proportions, they gain piezoresistive properties and could be used as sensitive strain sensors in dynamic working environments that require high elongation.
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- Wichmann M.H.G., Buschhorn S.T., Gehrmann, J., Schulte, K.(2009). Piezoresistive response of epoxy composites with carbon nanoparticles under tensile load. Physical Review B, 80(24), 245437. https://doi.org/10.1103/PhysRevB.80.245437
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- Meeuw H., Viets C., Liebig W., Schulte K., Fiedler B. (2016). Morphological influence of carbon nanofillers on the piezoresistive response of carbon nanoparticle/epoxy composites under mechanical load. European Polymer Journal, 85, 198-210. https://doi.org/10.1016/j.eurpolymj.2016.10.027
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- Santos A., Amorim L., Nunes J., Rocha L., Silva A.F., Viana, J.(2019). Aligned carbon nanotube based sensors for strain sensing applications. Sensors and Actuators A-physical, 289, 157-164. https://doi.org/10.1016/j.sna.2019.02.026
- Spinelli G., Lamberti P., Tucci V., Vertuccio L., Guadagno L. (2018). Experimental and theoretical study on piezoresistive properties of a structural resin reinforced with carbon nanotubes for strain sensing and damage monitoring. Composites Part B-engineering, 145, 90-99. https://doi.org/10.1016/j.compositesb.2018.03.025
- Yin, G., Hu, N., Karube, Y., Liu, Y., Li, Y., & Fukunaga, H. (2011). A carbon nanotube/polymer strain sensor with linear and anti-symmetric piezoresistivity. Journal of Composite Materials, 45(12), 1315–1323. https://doi.org/10.1177/0021998310393296
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- Chen L., Chen G., Lu L. (2007). Piezoresistive behavior study on finger sensing silicone rubber/graphite nanosheet nanocomposites, Advanced Functional Materials, 17(6), 898–904. https://doi.org/10.1002/adfm.200600519
- Wang P., Geng S., Ding T. (2010). Effects of carboxyl radical on electrical resistance ofmulti-walled carbon nanotube filled silicone rubber composite underpressure. Composite Science and Technology, 70(10), 1571–1573. https://doi.org/10.1016/j.compscitech.2010.05.008
- Gao L., Chou T.W., Thostenson E.T., Zhang Z., Coulaud M. (2011). In situ sensing ofimpact damage in epoxy/glass fiber composites using percolating carbonnanotube networks. Carbon, 49(10), 3382–3385, 2011. https://doi.org/10.1016/j.carbon.2011.04.003
- Zhang, Xiang-Wu & Pan, yi & Yi, Xiaosu. (2000). Time dependence of piezoresistance for the conductor-filled polymer composites. Journal of Polymer Science Part B: Polymer Physics. 38. 2739 - 2749. 10.1002/1099-0488(20001101)38:21<2739::AID-POLB40>3.0.CO;2-O.
- Wang L., Ding T. H., Wang P. (2009). Influence of carbon black concentration on piezoresistivity for carbon-black-filled silicone rubber composite. Carbon, 47(14), 3151–3157. https://doi.org/10.1016/j.carbon.2009.06.050
- Knite M., Teteris V., Kiploka A., Kaupuzs J. (2004). Polyisoprene–carbon black nanocomposites as tensile strain and pressure sensor materials. Sensors and Actuators A: Physical, 110(1–3), 142–149. https://doi.org/10.1016/j.sna.2003.08.006
- Chervanyov A.I.,Selvan N.T., Eshwaran S.B., Das A., Stöckelhuber K.W., Wießner S., Pötschke P.,. Nando G.B, Heinrich G. (2016). Piezoresistive natural rubber-multiwall carbon nanotube nanocomposite for sensor applications. Sensors and Actuators A: Physical, 239, 102-113. https://doi.org/10.1016/j.sna.2016.01.004
- Peng Z., Feng C., Luo Y., Li Y., Kong L. (2010). Self-assembled natural rubber/multi-walled carbon nanotube composites using latex compounding techniques. Carbon, 48, 4497-4503. https://doi.org/10.1016/j.carbon.2010.08.025
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- Rahman R., Servati P. (2012). Effects of inter-tube distance and alignment on tunnelling resistance and strain sensitivity of nanotube/polymer composite films. Nanotechnology, 23(5), 055703. DOI: 10.1088/0957-4484/23/5/055703
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- Perets Y.S., Lazarenko O., Sivoloshsky O.A., Vovchenko L., Matzui L. (2020). Percolation characteristics of multi-polymer composites with different ratios of nanocarbon fillers. Molecular Crystals and Liquid Crystals, 699, 110 – 97. https://doi.org/10.1080/15421406.2020.1732544
- Chen J., Yan L. (2018). Effect of Carbon Nanotube Aspect Ratio on the Thermal and Electrical Properties of Epoxy Nanocomposites. Fullerenes, Nanotubes and Carbon Nanostructures, 26, 697–704. https://doi.org/10.1080/1536383X.2018.1476345
- Chanklin W., Laowongkotr J., Chibante L.P. (2018). Electrical property validation of percolation modeling in different polymer structures of carbon-based nanocomposites. Materials today Communications, 17, 153-160. https://doi.org/10.1016/j.mtcomm.2018.09.004
- Hu N., Masuda Z., Yan C., Yamamoto G., Fukunaga H., Hashida T. (2008). The electrical properties of polymer nanocomposites with carbon nanotube fillers. Nanotechnology, 19(21), 215701. DOI:10.1088/0957-4484/19/21/215701
- Sánchez-Romate X.F., Jiménez-Suárez A., Sánchez M., Güemes A., Ureña A. (2016). Novel approach to percolation threshold on electrical conductivity of carbon nanotube reinforced nanocomposites. RSC Advances, 6, 43418-43428. https://doi.org/10.1039/C6RA03619H
- Yang W., Ke K., Yue L., Shao H., Yang M., Manas-Zloczower I.(2021). Boosting Electrical and Piezoresistive Properties of Polymer Nanocomposites via Hybrid Carbon Fillers: A Review. Carbon, 173, 1020-104. https://doi.org/10.1016/j.carbon.2020.11.070
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