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多铁性材料在实际应用中往往需要考虑多场动态耦合效应.为研究磁电多铁性复合材料的动态耦合效应及其界面的影响,建立了在动态激励下磁电耦合响应的有限元分析模型,其中采用内聚力模型单元模拟压电和压磁材料间界面,以表征其刚度和强度.对多个算例进行了磁电动态耦合响应分析,考察了界面刚度以及边界条件对动态磁电耦合响应的影响.结果显示,界面刚度和边界约束对磁电多铁性复合材料的动态耦合效应有较大影响,界面刚度越大,耦合效应越强.

参考文献

[1] Eerenstein W;Mathur ND;Scott JF .Multiferroic and magnetoelectric materials[J].Nature,2006(7104):759-765.
[2] Spaldin, N.A.;Cheong, S.-W.;Ramesh, R. .Multiferroics: Past, present, and future[J].Physics Today,2010(10):38-43.
[3] Nan CW;Bichurin MI;Dong SX;Viehland D;Srinivasan G .Multiferroic magnetoelectric composites: Historical perspective, status, and future directions[J].Journal of Applied Physics,2008(3):31101-1-31101-35-0.
[4] Carlos A. F. Vaz;Jason Hoffman;Charles H. Ahn;Ramamoorthy Ramesh .Magnetoelectric Coupling Effects in Multiferroic Complex Oxide Composite Structures[J].Advanced Materials,2010(26/27):2900-2918.
[5] Nan CW;Liu G;Lin YH;Chen HD .Magnetic-field-induced electric polarization in multiferroic nanostructures[J].Physical review letters,2005(19):7203-1-7203-4-0.
[6] Zhang JX;Li YL;Schlom DG;Chen LQ;Zavaliche F;Ramesh R;Jia QX .Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films[J].Applied physics letters,2007(5):52909-1-52909-3-0.
[7] Srinivasan,G et al.Magnetoelectric bilayer and multilayer structures of magnetostrictive and piezoelectric oxides[J].Physical Review B:Condensed Matter,2001,64:214408.
[8] Murakami M;Chang KS;Aronova MA;Lin CL;Yu MH;Simpers JH;Wuttig M;Takeuchi I;Gao C;Hu B .Tunable multiferroic properties in nanocomposite PbTiO3-CoFe2O4 epitaxial thin films[J].Applied physics letters,2005(11):2901-1-2901-3-0.
[9] Blackburn,J.F;Vopsaroiu,M;Cain,M.G .Verified finite element simulation of multiferroic structures:Solutions for conducting and insulating systems[J].Journal of Applied Physics,2008,104:074104.
[10] 刘强,周浩淼,曲绍兴.磁电多铁性复合材料磁电耦合性能有限元分析[J].材料科学与工程学报,2011(04):559-563.
[11] Bichurin MI.;Petrov VM.;Srinivasan G. .Theory of low-frequency magnetoelectric effects in ferromagnetic-ferroelectric layered composites[J].Journal of Applied Physics,2002(12):7681-7683.
[12] Barenblatt,G.I .Mathematical theory of equilibrium cracks in brittle fracture[J].Advances in Applied Mechanics,1962,7:55-125.
[13] Needleman;A .A Continuum Model for Void Nucleation by Inclusion Debonding[J].J Appl Mech T Asme,1987,54:525-531.
[14] Geubelle,P.H;Baylor,J.S .Impact induced delamination of composites:a 2D simulation[J].Composites Part B:Engineering,1998,29:589-602.
[15] Shuxiang Dong;Jie-Fang Li;Viehland D. .Longitudinal and transverse magnetoelectric voltage coefficients of magnetostrictive/piezoelectric laminate composite: theory[J].IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,2003(10):1253-1261.
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