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| 1 | TRANSVERSE VIBRATION OF A HANGING NONUNIFORM NANOSCALE TUBE BASED ON NONLOCAL ELASTICITY THEORY WITH SURFACE EFFECTS显示文摘The aim of this paper is to study the free transverse vibration of a hanging nonuniform nanoscale tube. The analysis procedure is based on nonlocal elasticity theory with surface effects. The nonlocal elasticity theory states that the stress at a point is a function of strains at all points in the continuum. This theory becomes significant for small-length scale objects such as micro- and nanostructures. The effects of nonlocality, surface energy and axial force on the natural frequencies of the nanotube are investigated. In this study, analytical solutions are formulated for a clamped-free Euler-Bernoulli beam to study the free vibration of nanoscale tubes. | Hossein Roostai Mohammad Haghpanahi | 2014 | Acta Mechanica Solida Sinica2014，27，2： | 3 |
| 2 | Generating a finite element model of the cervical spine: Estimating muscle forces and internal loads 显示文摘 | Toosizadeh N Haghpanahi M | 2011 | Scientia Iranica2011，18，6： | 1 |
| 3 | Prediction of welding-induced angular distortions in thin butt-welded plates using artificial neural networks 显示文摘 | Choobi M S Haghpanahi M | 2012 | Computational Materials Science2012，62，： | 1 |
| 4 | Determination of crack tip parameters for ASCB specimen under mixed mode loading using finite element method显示文摘 | DARBAN H HAGHPANAHI M ASSADI A | | 0，，： | 1 |
| 5 | Generating a finite ele- ment model of the cervical spine:Estimating muscle forces and internal loads 显示文摘 | Toosizadeh N Haghpanahi M | 2011 | Scientia Iranica2011，18，6： | 1 |
| 6 | Study on dissimilar friction stir butt welding of AA7075-O and AA2024-T4 considering the manufacturing limitation显示文摘 | Pouya Bahemmat Mohammad Haghpanahi Mohammad Besharati Givi Kambiz Reshad Seighalani | 2012 | The International Journal of Advanced Manufacturing Technology2012，，9： | 1 |
| 7 | Study on dissimilar friction stir butt welding of AA7075-O and AA2024-T4 considering the manufacturing limitation显示文摘 | BAHEMMAT P HAGHPANAHI M BESHARATI GIVI M K RESHAD SEIGHALANI K | 2012 | The International Journal of Advanced Manufacturing Technology2012，59，912： | 1 |
| 8 | Vibration of nanobeams of different boundary conditions with multiple cracks based on nonlocal elasticity theory 显示文摘 | Roostai H Haghpanahi M | 2014 | Applied Mathematical Modelling2014，38，3： | 1 |
| 9 | Generating a finite element model of the cervical spine: Estimating muscle forces and internal loads显示文摘 | Toosizadeh N Haghpanahi M | 2011 | Sci Iran2011，18，6： | 1 |
| 10 | Study on mechanical,micro-,and macrostructural characteristics of dissimilar friction stir welding of AA6061T6 and AA7075-T6显示文摘 | BAHEMMAT P HAGHPANAHI M BESHARATI M K | 2010 | Proceedings of the Institution of Mechanical Engineers Part B:Journal of Engineering Manufacture2010，224，12： | 1 |
| 11 | A three dimensional parametric model of whole lower cervical spine(C3-C7) under flexion, extension, tor-sion and lateral bending显示文摘 | Haghpanahi M Javadi M | 2012 | Scientia Iranica2012，19，1： | 1 |
| 12 | Generating a finite elementmodel of the cervical spine: Estimating muscle forces andinternal loads 显示文摘 | Toosizadeh N Haghpanahi M | 2011 | Scientia Iranica2011，18，6： | 1 |
| 13 | Investigation of Microstructure and Corrosion of TiNbTaZrMo High-Entropy Alloy in the Simulated Body Fluid显示文摘Microstructures and corrosion of TiNbTaZrMo(Ti_(20)Nb_(20)Ta_(20)Zr_(20)Mo_(20))High-Entropy Alloy(HEA)were investigated in the Simu-lated Body Fluid(SBF).Microstructure of this alloy was investigated by X-Ray Difiraction(XRD)and Scanning Electron Microscopy(SEM)techniques.Our observations confirmed the presence of two bcc phases as the major matrix as well as another minor phase in themicrostructure of the alloy.Concentration of some elements,such as tantalum,niobium,and molybdenum in the dendritic branches and thepresence of zirconium and titanium in the inter-dendritic branches were clearly evidenced by Energy Dispersive X-ray(EDX)analysis.Given importance of corrosion of implant alloys in the human's body,elctrochemical impedance and cyclic polarization tests werepcerformed on the alloy in SBF.Through the corrosion tests,corrosion potential,current,and resistance were obtained as E_(corr)=-0.42 V,i_(corr)=0.34μA·cm^(-2),and R_(p)=27.44 k ohm·cm^(2),respectively.The results revealed that the rate of corrosion in TiNbTaZrMo HEA is about 26 times better than that of Ti_(6)Al_(4)V alloy.Also,both alloys had no pitting corrosion in the SBF solution. | Arash Shokrgozar Navi Shahram Etemadi Haghighi Mohammad Haghpanahi Amir Momeni | 2021 | Journal of Bionic Engineering2021，18，1： | 0 |
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