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| 1 | BENDING OF FUNCTIONALLY GRADED PIEZOELECTRIC RECTANGULAR PLATES显示文摘By introducing two displacement functions as well as two stress functions,two independentstate equations with variable coefficients are derived from the three-dimensional theory equations of piezo-elasticity for transverse isotropy.A laminated approximation is used to transform the state equations to thosewith constant coefficients in each sub-layer.The bending problem of a functionally graded rectangular plate isthen analyzed based on the state equations.Numerical results are presented and the effect of material gradi-ent index is discussed. | Chen Weiqiu Ding Haojiang | 2000 | Acta Mechanica Solida Sinica2000，13，4： | 37 |
| 2 | Three-dimensional analytical solution for a transversely isotropic functionally graded piezoelectric circular plate subject to a uniform electric potential difference显示文摘This paper studies the problem of a functionally graded piezoelectric circular plate subjected to a uniform electric potential difference between the upper and lower surfaces. By assuming the generalized displacements in appropriate forms,five differential equations governing the generalized displacement functions are derived from the equilibrium equations. These displacement functions are then obtained in an explicit form,which still involve four undetermined integral constants,through a step-by-step integration which properly incorporates the boundary conditions at the upper and lower surfaces. The boundary conditions at the cylindrical surface are then used to determine the integral constants. Hence,three-dimen sional analytical solutions for electrically loaded functionally graded piezoelectric circular plates with free or simply-supported edge are completely determined. These solutions can account for an arbitrary material variation along the thickness,and thus can be readily degenerated into those for a homogenous plate. A numerical example is finally given to show the validity of the analysis,and the effect of material inhomogeneity on the elastic and electric fields is discussed. | LI XiangYu DING HaoJiang CHEN WeiQiu | 2008 | Science China(Physics,Mechanics & Astronomy)2008，51，8： | 13 |
| 3 | THREE-DIMENSIONAL INTERACTIONS OF A HALF-PLANE CRACK IN A TRANSVERSELY ISOTROPIC PIEZOELECTRIC SPACE WITH RESULTANT SOURCES显示文摘Exact solutions in elementary functions are derived for the stress and electric dis-placement intensity factors of a half-plane crack in a transversely isotropic piezoelectric spaceinteracting with various resultant sources, including force dipole, electric dipole, moment, forcedilatation and rotation. Such force and charge sources may model defects like vacancies, foreignparticles and dislocations. The locations and orientations of the stress and charge sources withrespect to the crack are arbitrary. | Hou Pengfei Pan Xiaoping Ding Haojiang | 2005 | Acta Mechanica Solida Sinica2005，18，3： | 3 |
| 4 | INDENTATION OF A TRANSVERSELY ISOTROPIC PIEZOELECTRIC HALF-SPACE BY A RIGID SPHERE显示文摘This paper exactly analyzes the problem of a rigid sphere indenting a transversely isotropicpiezoelectric half-space.The potential theory method is employed and generalized to include the piezoelec-tric effect.By using the previous results of elasticity,an exact solution is derived.It is found that all theelastoelectric variables can be expressed in terms of elementary functions. | Chen Weiqiu Ding Haojiang | 1999 | Acta Mechanica Solida Sinica1999，12，2： | 3 |
| 5 | A novel-green adsorbent based on betaine-modified magnetic nanoparticles for removal of methyl blue显示文摘A potential adsorbent based on betaine-modified magnetic iron oxide nanoparticles(BMNPs) was successfully synthesized by facile method, characterized and applied for methyl blue(MB) removal from aqueous solution. The characterization results of FTIR, transmission electron microscopy(TEM), X-ray diffraction(XRD) and vibrating sample magnetometer(VSM) showed that the prepared nanoparticles could be well dispersed in water and exhibited excellent superparamagnetism. These properties imply the potential to recycle BMNPs from wastewater through magnetic field. In the adsorption process, the effects of main experimental parameters such as p H of MB solution, initial concentration of MB, contact time, and adsorption capacity for MB were studied and optimized. These results demonstrated that large amounts of quaternary ammonium groups existing on the surface of BMNPs could promote absorption of MB via electrostatic forces. Additionally, the adsorption kinetics of MB was found to follow a pseudosecond-order kinetic model and the adsorption equilibrium data fitted very closely to the Langmuir adsorption isotherm model. The maximum adsorption capacity for MB was calculated to be 136 mg g 1at room temperature. Moreover, the BMNPs showed good reusability with 73.33% MB adsorption in the5 th cycle. | Haowei Wang Shangning Jia Haojiang Wang Bo Li Wen Liu Ningbo Li Jie Qiao Chen-Zhong Li | 2017 | Science Bulletin2017，62，5： | 3 |
| 6 | A THEORETICAL SOLUTION OF CYLINDRICALLY ISOTROPIC CYLINDRICAL TUBE FOR AXISYMMETRIC PLANE STRAIN DYNAMIC THERMOELASTIC PROBLEM显示文摘A dynamic thermoelastic solution of a cylindrically isotropic cylindrical tube or solid cylinderwith axisymmetric plane deformations is developed.Since there exist thermal boundary conditions and trac-tions on the two surfaces of a cylindrical tube,the problem under consideration is with inhomogeneous bound-ary conditions.Therefore we introduce a special function to transform the inhomogeneous boundary conditionsto homogeneous ones for an unknown function.Then by using the method of separation of variables,the un-known function can be expressed as the multiplication series of Bessel functions and unknown time functions.Thirdly,by virtue of the orthogonal properties of Bessel functions,the equations about these unknown timefunctions are derived and the solutions are obtained.Finally,the displacement is obtained by adding the twoparts mentioned above.By means of the present method,integral transform can be avoided.It is suitable forarbitrary thermal loads and mechanical loads.Numerical results are also presented for thermal shocked,cy-lindrically isotropic cylindrical tube and solid cylinder. | Ding Haojiang Wang Huiming Chen Weiqiu | 2001 | Acta Mechanica Solida Sinica2001，14，4： | 3 |
| 7 | FREE AXISYMMETRIC VIBRATION OF TRANSVERSELY ISOTROPIC LAMINATED CIRCULAR PLATES显示文摘Based on the three dimensionai elastic theory,the state equation of the axisymmetricfree vibration of transversely isotropic circular plates is established.Taking the advantage of finiteHankel transform,two exact solutions are derived for two boundary conditions,i.e.the rigid-slippingboundary and elastic simply supported boundary.Finally,numerical results are presented and com-pared with those of FEM. | Ding Haojiang Xu Rongqiao Chen Weiqiu | 1998 | Acta Mechanica Solida Sinica1998，11，3： | 2 |
| 8 | EXACT SOLUTION TO THE PROBLEM OF A HALF-PLANE CRACK IN A TRANSVERSELY ISOTROPIC PIEZOELECTRIC BODY SUBJECTED TO ANTISYMMETRIC TANGENTIAL POINT FORCES显示文摘An exact and complete solution of the problem of a half-plane crack in an infinite transversely isotropic piezoelectric body is presented. The upper and lower crack faces are assumed to be loaded antisymmetrically by a couple of tangential point forces in opposite directions. The solution is derived through a limiting procedure from that of a penny-shaped crack. The expressions for the electroelastic field are given in terms of elementary functions. Finally, the numerical results of the second and third mode stress intensity factors k2 and k3 of piezoelectric materials and elastic materials are compared in figures. | Hou Pengfei Ding Haojiang Guan Fuling (Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China) | 2001 | Acta Mechanica Solida Sinica2001，14，2： | 2 |
| 9 | Intelligent identification system of flow regime of oil-gas-water multiphase flow显示文摘 | WU Haojiang ZHOU Fangde WU Yuyuan | 2001 | International Journal of Multiphase Flow2001，27，3： | 1 |
| 10 | New state space formulations for transversely isotropic piezoelasticity with application显示文摘 | Ding Haojiang Chen Weiqiu Xu Rongqiao | 2000 | Mechanics Research Communications2000，27，3： | 1 |
| 11 | Theredimension static analysis of multi-layered piezoelectric spheres hollow via state space method显示文摘 | Chen Weiqiu Ding Haojiang Xu Rongqiao | 2001 | International Journal of Solids and Structures2001，38，2829： | 1 |
| 12 | Grain boundary character and stress corrosion cracking behavior of Co-Cr alloy fabricated by selective laser melting显示文摘In this work,we used the selective laser melting(SLM)fabricated Co-Cr alloy with prominent residual strain,extremely non-equilibrium microstructures,and low stacking fault energy as a precursor to fabricate materials with the optimal grain boundary character distribution.The grain boundary engineering(GBE)of the Co-Cr alloy was achieved by a simple heat treatment of the SLM-fabricated Co-Cr alloy.The obtained GBE Co-Cr alloy exhibited 81.47%of special grain boundaries(∑3^(n)n=1,2,3),while it substantially disrupted the connectivity of the random high-angle boundaries,successfully reducing the propensity of intergranular degradation.Slow strain rate tests(SSRTs)showed that the GBE Co-Cr alloy possessed lower stress corrosion cracking(SCC)susceptibility and higher ductility in the corrosive environment(0.9%Na Cl solution)than in the air.The high fraction of special boundaries,coupled with the stress-induced martensitic transformation(SIMT)in the GBE Co-Cr alloy yielded these results,which unique and rarely simultaneously satisfied for common structural materials.The current'SLM induced GBE strategy'offers a novel approach towards customized GBE materials with high SCC resistance and ductility in the corrosive environment,shedding new light on developing high-performance structural materials. | Xin Dong Ning Li Yanan Zhou Huabei Peng Yuntao Qu Qi Sun Haojiang Shi Rui Li Sheng Xu Jiazhen Yan | 2021 | Journal of Materials Science & Technology2021，，34： | 1 |
| 13 | Intelligent Identification System of Flow Regime of Oil/gas/water Multiphase Flow显示文摘 | Wu Haojiang Zhou Fangde Wu Yuyuan | 2001 | International Journal of Multiphase Flow2001，27，： | 1 |
| 14 | A new filtering algorithm based on extremum and median val- ue显示文摘 | Xing Cangju Wmlg Shoujue Deng Haojiang | 2001 | Journal of Image and Graphics2001，6，6： | 1 |
| 15 | General solutions for coupled equations for piezoelectric media显示文摘 | Ding Haojiang Chen Buo Liang Jian | | 0，，16： | 1 |
| 16 | A Boundary Integral Formulation and 2D Fundarmntal Solution for Piezoelectric Media显示文摘 | Divg Haojiang Wang Guoqing Chen Weiqitt | | 0，，1： | 1 |
| 17 | Analytical solution for fixed-end beamsubjected touni- form load显示文摘 | DING Haojiang HUANG Dejin WANG Huiming | 2005 | Journal of Zhejiang University Science2005，6，8： | 1 |
| 18 | Free axisymmetric vibration of laminated transversely isotropic annular plates显示文摘 | Ding Haojiang Xu Rongqiao | 2000 | Journal of Sound and Vibration2000，230，5： | 1 |
| 19 | Using BAC for HAA Removal,part 1: Batch study 显示文摘 | Zhou Haojiang Xie Yuefeng | 2002 | American Water Works Association Journal2002，94，4： | 1 |
| 20 | Use of BAC for HAA removal part 2, column study 显示文摘 | Xie Yuefeng Haojiang Zhou | 2002 | American Water Works Association Journal2002，92，5： | 1 |
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