DETERMINATION OF SUITABLE RHEOLOGICAL MODEL FOR POLYETHYLENE GLYCOLS AND SILICA PARTICLE MIXTURES

Yıl 2020, Cilt: 6 Sayı: 2, 85 - 93, 29.12.2020

Cenk Yanen Ercan Aydoğmuş Murat Yavuz Solmaz

Öz

Shear thickening fluids are smart materials that show a sudden increase in viscosity when exceeding critical shear rates. Different theories have been proposed to explain these properties of shear thickening. The most used of these theories are Order-Disorder Transition and Hydro-Cluster Theory. Due to their reversible properties, shear thickening fluids have been used in many areas. High molecular weight polyethylene glycols showed faster shear thickening fluids behavior. The molecular weight of polyethylene glycol affects many parameters. These parameters are physical bonds, aggregations of molecular, solid particle interactions and functional groups in the chain. Due to their effect, rheological behaviors of low and high molecular weight polyethylene glycols differ. The mixtures of polyethylene glycols and fumed silica particle show a colloidal distribution. The distribution of fumed silica particle molecule in polyethylene glycol, interaction with each other restriction and movement of the bulks have affected rheological properties. Physical interactions are manifested in the structure. The mixture showed non-Newtonian behavior in the first and second regions as well. Rheological behaviors of mixtures were compared with experimental data using non-Newtonian models. Power Law, Bingham, Casson, Herschel-Bulkley and Sisko model equations were used. Silica particle-PEGs mixtures show pseudo plastic in the first region and dilatant fluid behavior in the second region. In the first region, Power Law model was determined as the most suitable model for experimental data. In the second region, Herschel-Bulkley model was found to be the most suitable model that was determined by statistical analysis.

Anahtar Kelimeler

Fumed silica, polyethylene glycol, shear thickening fluid, non-Newtonian models

Destekleyen Kurum

Fırat Üniversitesi Bilimsel Araştırma Projeleri Birimi, TÜBİTAK Yurt İçi Öncelikli Alanlar Doktora Burs Programı

Proje Numarası

FÜBAP MF.19.44

Teşekkür

The authors gratefully acknowledge the financial support by the Research Fund of Firat University, Project FÜBAP-MF.19.44. The author Cenk Yanen also acknowledges the support of the Scientific and Technological Research Council of Turkey (TÜBİTAK) under Program 2211/C.

Kaynakça

• R. L. Hoffman, “Discontinuous and dilatant viscosity behavior in concentrated suspensions. II. Theory and experimental tests,” J. Colloid Interface Sci., 1974, doi: 10.1016/0021-9797(74)90059-9.
• G. Bossis and J. F. Brady, “The rheology of Brownian suspensions,” J. Chem. Phys., 1989, doi: 10.1063/1.457091.
• W. H. Boersma, J. Laven, and H. N. Stein, “Viscoelastic properties of concentrated shear-thickening dispersions,” J. Colloid Interface Sci., 1992, doi: 10.1016/0021-9797(92)90385-Y.
• B. W. Lee, I. J. Kim, and C. G. Kim, “The influence of the particle size of silica on the ballistic performance of fabrics impregnated with silica colloidal suspension,” J. Compos. Mater., 2009, doi: 10.1177/0021998309345292.
• D. P. Kalman, R. L. Merrill, N. J. Wagner, and E. D. Wetzel, “Effect of particle hardness on the penetration behavior of fabrics intercalated with dry particles and concentrated particle-fluid suspensions,” ACS Appl. Mater. Interfaces, 2009, doi: 10.1021/am900516w.
• H. R. Baharvandi, M. Alebooyeh, M. Alizadeh, M. S. Heydari, N. Kordani, and P. Khaksari, “The influences of particle–particle interaction and viscosity of carrier fluid on characteristics of silica and calcium carbonate suspensions-coated Twaron® composite,” J. Exp. Nanosci., vol. 11, no. 7, pp. 550–563, 2016, doi: 10.1080/17458080.2015.1094190.
• M. Hasanzadeh, V. Mottaghitalab, and M. Rezaei, “Rheological and viscoelastic behavior of concentrated colloidal suspensions of silica nanoparticles: A response surface methodology approach,” Adv. Powder Technol., vol. 26, no. 6, pp. 1570–1577, Nov. 2015, doi: 10.1016/j.apt.2015.08.011.
• S. Gürgen, “An investigation on composite laminates including shear thickening fluid under stab condition,” J. Compos. Mater., vol. 53, no. 8, pp. 1111–1122, Apr. 2019, doi: 10.1177/0021998318796158.
• Y. Xu, “Stabbing Resistance of Soft Ballistic Body Armour Impregnated with Shear Thickening Fluid,” 2016.
• Q. Chen, M. Liu, S. Xuan, W. Jiang, S. Cao, and X. Gong, “Shear dependent electrical property of conductive shear thickening fluid,” Mater. Des., vol. 121, pp. 92–100, May 2017, doi: 10.1016/j.matdes.2017.02.056.
• L. L. Sun, D. S. Xiong, and C. Y. Xu, “Application of shear thickening fluid in ultra high molecular weight polyethylene fabric,” J. Appl. Polym. Sci., vol. 129, no. 4, pp. 1922–1928, Aug. 2013, doi: 10.1002/app.38844.
• J. Ge, Z. Tan, W. Li, and H. Zhang, “The rheological properties of shear thickening fluid reinforced with SiC nanowires,” Results Phys., vol. 7, pp. 3369–3372, 2017, doi: 10.1016/j.rinp.2017.08.065.
• M. Hasanzadeh and V. Mottaghitalab, “Tuning of the rheological properties of concentrated silica suspensions using carbon nanotubes,” Rheol. Acta, vol. 55, no. 9, pp. 759–766, Sep. 2016, doi: 10.1007/s00397-016-0950-7.
• M. Zabet, K. Trinh, H. Toghiani, T. E. Lacy, C. U. Pittman, and S. Kundu, “Anisotropic Nanoparticles Contributing to Shear-Thickening Behavior of Fumed Silica Suspensions,” ACS Omega, vol. 2, no. 12, pp. 8877–8887, 2017, doi: 10.1021/acsomega.7b01484.
• F. J. Rubio-Hernández, A. I. Gómez-Merino, N. M. Páez-Flor, and J. F. Velázquez-Navarro, “On the steady shear behavior of hydrophobic fumed silica suspensions in PPG and PEG of low molecular weight,” Soft Mater., 2017, doi: 10.1080/1539445X.2016.1242501.
• J. Santos, N. Calero, L. A. Trujillo-Cayado, and J. Muñoz, “Development and characterisation of a continuous phase based on a fumed silica and a green surfactant with emulsion applications,” Colloids Surfaces A Physicochem. Eng. Asp., 2018, doi: 10.1016/j.colsurfa.2018.07.017.
• C. Contado, L. Ravani, and M. Passarella, “Size characterization by Sedimentation Field Flow Fractionation of silica particles used as food additives,” Anal. Chim. Acta, 2013, doi: 10.1016/j.aca.2013.05.056.
• M. Singh, S. K. Verma, I. Biswas, and R. Mehta, “Rheology of fumed silica and polyethylene glycol shear thickening suspension with nano-clay as an additive,” Def. Sci. J., 2019, doi: 10.14429/dsj.69.12420.