离子聚合物胶体中充满着液体,并能吸附电荷,在外部化学场或电场的激励下,能产生巨大的膨胀.由于这些特性,离子聚合物可以作为电化学 - 力学驱动器.本文采用电化学 - 力学多场耦合数学模型,并应用有限元法进行了数值计算.计算结果表明该模型能很好地模拟离子聚合物在电场作用下的离子重分布和胶体的膨胀与收缩行为,同时能计算胶体中离子浓度.
参考文献
| [1] | Garard M;Chaubey A;Malhotra B D .Application of conducting polymers to bioseusors[J].Biosensors and Bioelectronics,2002,17(05):345-359. |
| [2] | Simoes L B;Fermando M F .Articular cartilage with intra-and extrafibrillar waters:a chemo-mechanieal model[J].Mechanics of Materials,2004,36:515-541. |
| [3] | Loret B;Gajo A;Fernando M F et al.A note on the dis-sipation due to generalized diffusion with electro-chemo-mechani-cal couplings in hcteroionic clays[J].European Journal of Mechanics A/Solids,2004,23:763-782. |
| [4] | Li H;Yew YK;Ng TY;Lam KY .Meshless steady-state analysis of chemo-electro-mechanical coupling behavior of pH-sensitive hydrogel in buffered solution[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2005(1):161-172. |
| [5] | Li H.;Yuan Z.;Lam KY.;Lee HP.;Chen J.;Hanes J.;Fu J. .Model development and numerical simulation of electric-stimulus-responsive hydrogels subject to an externally applied electric field[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,2004(9):1097-1107. |
| [6] | Li H;Yew Y K;Lam K Y et al.Numerical simulation of pH-stimuli responsive hydrogel in buffer solutions[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2004,249:149-154. |
| [7] | Yang Q S.A variational principle and MFE formula for thermo-electro-chemo-mechanical behavior of conducting poly-mer[A].北京:北京工业大学,2004:125-132. |
| [8] | Yang Q S;Cui C Q;Lu X Z .A general procedure for modeling physicochemical behavior of advanced materials-part Ⅰ:theory[J].MMMS-Multidisciplinary Modeling in Materials and Structures,2005,1(03):223-230. |
| [9] | Sofronis P;McMeeking R M .Numerical analysis of hy-drogen transport near a blunting crack tip[J].Journal of the Mechanics and Physics of Solids,1989,37(03):317-350. |
| [10] | Levine Ira N.Physical Chemistry[M].New York:McGraw-Hill,2002 |
| [11] | Thomas Wallmersperger;Bernd Kroeplin;Rainer W. Guelch .Coupled chemo-electro-mechanical formulation for ionic polymer gels―numerical and experimental investigations[J].Mechanics of materials,2004(5/6):411-420. |
| [12] | Liu H W .Stress-corrosion cracking and the interaction between crack-tip stress field and solute atom[J].Transaction of the ASME:Journal of Basic Engineering,1970,92:633-638. |
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