supported by the National Natural Science Foundation of China(Grant Nos.52105015 and 52225501);the China Postdoctoral Science Foundation(Grant No.2021M690830);the Postdoctoral Science Foundation of Heilongjiang Province,China(Grant No.LBH-Z21018)。
Inertial piezoelectric actuators are widely applied in precision devices with simple structure and accurate movement.However,existing inertial piezoelectric actuators still face the challenges of rollback motion and b...
This work was supported by the funding from Natural Science Foundation of China(Grant No.62001322);the National Key Research and Development Program(Grant No.2020YFB2008800);the Nanchang Institute for Microtechnology of Tianjin University.
One of the key requirements for MEMS speakers is to increase the sound pressure level(SPL)while keeping the size as small as possible.In this paper we present a MEMS speaker based on piezoelectric bimorph cantilevers ...
Project supported by the National Natural Science Foundation of China(Nos.12072167 and 11972199);the Natural Science Foundation of Zhejiang Province of China(Nos.LZ22A020001 and LGG19A020001)。
We study the bending of a two-layer piezoelectric semiconductor plate(bimorph).The macroscopic theory of piezoelectric semiconductors is employed.A set of two-dimensional plate equations is derived from the three-dime...
The martensitic phase transformation in Ti_(40.4)Ni_(48)Hf_(11.6) shape memory alloys is leveraged for bi-directional actuation with TiNiHf/SiO_(2)/Si com-posites.The shape memory properties of magnetron sputtered Ti_...
The last author is grateful for the support of the Ministry of Science and Higher Education of the Russian Federation,Project No.9.1001.2017/4.6 for modelling,and contract No.075-15-2019-1928 for computer calculation.
Based on the variational principle,equations and boundary conditions for transverse steady vibrations of a bimorph consisting of a piezoelectric and piezomagnetic layers are obtained.The results of calculations of nat...
supported by the National Key Research and Development Program of China(2017YFB1104300);the National Natural Science Foundation of China(61935008,61590930,61775078 and 61905087)。
Graphene-based actuators featuring fast and reversible deformation under various external stimuli are promising for soft robotics.However,these bimorph actuators are incapable of complex and programmable 3D deformatio...
Project supported by the National Basic Research Program(No.2015CB351901);the National Natural Science Foundation of China(Nos.11372272,11622221,11621062,11502009,and 11772030);the Doctoral New Investigator Grant from American Chemical Society Petroleum Research Fund of the National Science Foundation(Nos.1509763 and 1554499);the Opening Fund of State Key Laboratory for Strength and Vibration of Mechanical Structures,Xi’an Jiaotong University(No.SV2018-KF-13);the Fundamental Research Funds for the Central Universities(No.2017XZZX002-11)
Thermally responsive liquid crystal elastomers (LCEs) hold great promise in applications of soft robots and actuators because of the induced size and shape change with temperature. Experiments have successfully demons...
Project supported by the National Natural Science Foundation of China(Nos.11403109,11190014,10921063,and 11373073);the Natural Science Foundation of Jiangsu Province(No.BK20141042)
A theoretical model of a circular flexure-mode piezoelectric bimorph ac- tuator is established. The circular bimorph structure, consisting of two flexible layers of piezoelectric material and a layer of metallic mater...