2024 Vol. 45, No. 10

Special Issue on Multi-Field Coupling Mechanics of Smart Materials and Structures (Ⅰ)
2024, 45(10): ⅰ-ⅱ.
Abstract(172) HTML (92) PDF(47)
Abstract:
Thermo-Electric-Mechanical Coupling Bending Property and Strength Analyses of Thermoelectric Devices With the Negative Poisson's Ratio Architecture
CUI Youjiang, LIU Chao, CHEN Jiapeng, WANG Biao, WANG Baolin
2024, 45(10): 1243-1255. doi: 10.21656/1000-0887.450113
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Abstract:
The rapid development of smart wearable devices makes a higher requirement for the power supply components, including endurance, convenience and lightweight and so on. The thermoelectric devices can directly convert the thermal energy released by human metabolism into electricity, which can be furth...
Singularities of Coupled Fields in Piezoelectric/Piezomagnetic Composite Wedges: an Antiplane Problem
WANG Guolin, WEN Jianjun, YUE Yanmei, LIU Jinxi
2024, 45(10): 1256-1267. doi: 10.21656/1000-0887.450244
Abstract(326) HTML (110) PDF(45)
Abstract:
The singularities of the coupled fields near the apex of a piezoelectric/piezomagnetic composite wedge under antiplane deformation were studied. With the complex variable function theory and the eigenfunction expansion method, the explicit expressions of the eigenfunction equations for singularity o...
An Axisymmetric Contact Problem of Piezoelectric Materials Based on the Couple Stress Theory
LÜ Xin, KE Liaoliang, SU Jie
2024, 45(10): 1268-1278. doi: 10.21656/1000-0887.450190
Abstract(271) HTML (102) PDF(55)
Abstract:
Based on the couple stress theory, the axisymmetric contact problem between a rigid insulating spherical punch and a transversely isotropic piezoelectric half-space was studied. With the Hankel integral transform and the integral least squares approach, the analytical solutions of the contact pressu...
Study on Mechanical Modulation of Output Characteristics in Piezoelectric Semiconductor Photovoltaic Cells
YANG Haozhen, LIU Jinxi, YANG Wanli, HU Yuantai
2024, 45(10): 1279-1287. doi: 10.21656/1000-0887.450088
Abstract(293) HTML (125) PDF(38)
Abstract:
The performances of piezoelectric PN junction photovoltaic cells are closely related to the internal potential barrier configurations and the distributions of carriers, and can be tuned through carrier transport characteristic changes by the piezopotentials under the piezo-effect. However, the class...
Analysis of Nonlinear Multi-Field Coupling Mechanics of Piezoelectric Semiconductor Beams via PINNs
XIAO Zhengguang, ZHANG Chunli, CHEN Weiqiu
2024, 45(10): 1288-1299. doi: 10.21656/1000-0887.450070
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Abstract:
Piezoelectric semiconductors (PSs) possess the characteristics of coexistence of piezoelectric and semiconductor properties and have broad application prospects in new multifunctional electronic/optoelectronic devices. It is very important to theoretically analyze multi-field coupling mechanical res...
Static Buckling Behaviors of Piezoelectric Semiconductor Beams With Steigmann-Ogden Surface Effects
ZHAN Chunxiao, LI Xiaobao, WANG Meiqin
2024, 45(10): 1300-1312. doi: 10.21656/1000-0887.450200
Abstract(271) HTML (93) PDF(41)
Abstract:
The surface elastic and flexoelectric effects significantly influence the mechanical behaviors of nanoscale materials and structures. The static buckling behaviors of piezoelectric semiconductor (PS) beams were studied through the establishment of an Euler-Bernoulli beam theoretical model in view of...
Ferroelectric Peak Behaviors of Perovskite Materials Under Ultra-High Pressure
GUAN Haoyi, ZHOU Zhihong, LI Yalan, LIANG Ying, TIAN Xiaobao
2024, 45(10): 1313-1319. doi: 10.21656/1000-0887.450192
Abstract(214) HTML (98) PDF(34)
Abstract:
Pressure has significant influences on the crystal structures and functional properties of perovskite ferroelectric materials, but relatively minor impact on the phase transition temperature, and can serve as an effective means to enhance the dielectric and ferroelectric properties of these material...
Design and Multi-State Tunneling Characteristics of Perovskite Ferroelectric Ultrathin Films With Low-Driving Fields
DONG Yanzhe, LU Xiaoyan
2024, 45(10): 1320-1331. doi: 10.21656/1000-0887.450224
Abstract(211) HTML (97) PDF(26)
Abstract:
The ferroelectric tunneling junction, with a metal-ferroelectric ultra-thin film-metal structure, has different tunneling resistance states through polarization manipulation, leading to potential applications in next-generation information storage devices with low-power consumption, fast reading/wri...
An Antiplane Problem of Magnetoelectroelastic Materials With Nanoscale Lip-Shaped Orifice With 2 Asymmetric Cracks
JIANG Lijuan, LIU Guanting, GAO Yuanyuan, WANG Ghengyan, GUO Huaimin
2024, 45(10): 1332-1344. doi: 10.21656/1000-0887.450180
Abstract(258) HTML (108) PDF(36)
Abstract:
Based on the Gurtin-Murdoch surface elasticity theory and the magnetoelectroelasticity (MEE) theory, the fracture behaviors of MEE materials containing nanoscale lip-shaped orifice with 2 asymmetric cracks under anti-plane mechanical loads and in-plane electromagnetic loads were investigated with th...
Thermal-Mechanical Coupling Damage Analysis of Material Based on PD-FEM Hybrid Model
ZENG Jinbao, JIANG Cuixiang, ZHANG Yihao
2024, 45(10): 1345-1358. doi: 10.21656/1000-0887.450006
Abstract(342) HTML (176) PDF(53)
Abstract:
A new PD-FEM (peridynamics-finite element method) hybrid model method was proposed for solving thermal-mechanical coupling problems. Its solution region was divided into peridynamics and finite element subregions. The hybrid bonds introduced to mixed these two subregions were composed of finite elem...
Cover And Contents
2024, 45(10)
Abstract(183) PDF(39)
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