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| 1 | Al 7075和Mg AZ31合金扩散连接:工艺参数、显微组织分析和力学性能(英文)显示文摘采用扩散连接方法在压力范围10~35 MPa、温度430~450°C、时间60 min,真空13.3 mPa条件下连接Al 7075和Mg AZ31合金。采用扫描电子显微镜、X射线能谱和X射线衍射分析合金的显微组织演变、相分析和元素分布。结果表明:25 MPa为最佳的压力条件,在此条件下接头发生最小的塑性变形;在界面过渡区可观察到含不同金属间化合物如Al_(12)Mg_(17),Al_3Mg_2和α(Al)的固溶体反应层;随着温度的升高,反应层的厚度增大,更多的铝原子扩散进入镁合金,且界面朝着铝合金移动;在温度440°C、压力25 MPa下得到最大的结合强度38 MPa。断口形貌研究表明,脆性断裂来自于Al_3Mg_2相。 | Seyyed Salman SEYYED AFGHAHI Mojtaba JAFARIAN Moslem PAIDAR Morteza JAFARIAN | 2016 | Transactions of Nonferrous Metals Society of China2016，26，7： | 3 |
| 2 | Simplifi ed dynamic analysis to evaluate liquefaction-inducedlateral deformation of earth slopes: a computational fluid dynamics approach显示文摘Lateral deformation of liquefiable soil is a cause of much damage during earthquakes, reportedly more than other forms of liquefaction-induced ground failures. Researchers have presented studies in which the liquefied soil is considered as viscous fluid. In this manner, the liquefi ed soil behaves as non-Newtonian fl uid, whose viscosity decreases as the shear strain rate increases. The current study incorporates computational fl uid dynamics to propose a simplified dynamic analysis for the liquefaction-induced lateral deformation of earth slopes. The numerical procedure involves a quasi-linear elastic model for small to moderate strains and a Bingham fluid model for large strain states during liquefaction. An iterative procedure is considered to estimate the strain-compatible shear stiffness of soil. The post-liquefaction residual strength of soil is considered as the initial Bingham viscosity. Performance of the numerical procedure is examined by using the results of centrifuge model and shaking table tests together with some field observations of lateral ground deformation. The results demonstrate that the proposed procedure predicts the time history of lateral ground deformation with a reasonable degree of precision. | Yaser Jafarian Ali Ghorbani Omid Ahmadi | 2014 | Earthquake Engineering and Engineering Vibration2014，13，3： | 2 |
| 3 | Two-time scale control and observer design for trajectory tracking of two cooperating robot manipulators moving a flexible beam显示文摘 | Ali Tavasoli Mohammad Eghtesad Hamed Jafarian | 2009 | Robotics and Autonomous Systems2009，57，2： | 1 |
| 4 | Two-time scale control and observer design for trajectory tracking of two cooperating robot manipulators moving a flexible beam显示文摘 | Tavasoli A Eghtesad M Jafarian H | 2009 | Robotics and Autonomous Systems2009，57，2： | 1 |
| 5 | Kinetic Interpre- tation of a Negative Time Constant Impedance of Glucose Elec- trooxidation 显示文摘 | Danaee I Jafarian M Forouzandeh F | 2008 | J Phys Chem2008，112，15： | 1 |
| 6 | A traveling-wave-basedprotection technique using wavelet/PC A analysis显示文摘 | JAFARIAN P SANAYE-PASAND M | 2010 | IEEE Tran-sactions on Power Delivery2010，25，10： | 1 |
| 7 | Evaluation of diffusion welding of 6061 aluminum and AZ31 magnesium alloys without using an interlayer 显示文摘 | JAFARIAN M KHODABANDEH A MANAFI S | 2015 | Materials and Design2015，65，： | 1 |
| 8 | Electrooxidation of Methanol on NiMn Alloy Modified Graphite Electrode 显示文摘 | Danaee I Jafarian M Mirzapoor A | 2010 | Electrochimica Acta2010，55，6： | 1 |
| 9 | Site Selection of Municipal Solid Waste Landfills Using Analytical Hierarchy Process Method in a Geographical Information Technology Environment in Giroft 显示文摘 | Javahefi H Nasrabadi T Jafarian M H | 2006 | Iranian J Environ HealthSei Eng2006，3，3： | 1 |
| 10 | Recursive Channel Estimation for Wireless Communication Via the EM Algorithm显示文摘 | ZAMIRI JAFARIAN H PASUPATHY S | 1997 | IEEE Conference on Personal Wireless Communications1997，，1719： | 1 |
| 11 | The stromal overexpression of CD10 in invasive breast canc- er and its association with clincophathologic factors显示文摘 | Taghizadeh - Kermani A Jafarian AH Ashabyamin R | 2014 | Iran J Cancer Prey2014，7，1： | 1 |
| 12 | Electrode positing of aluminum from molten AlCl3 NaCl--KCl mix- ture显示文摘 | JAFARIAN M MAHJANIM G DANAEEI F | 2006 | Journal of Applied Electrochemistry2006，36，10： | 1 |
| 13 | Clinical presentations, diagnosis and treatment of adult intussusception, a 20 years survey显示文摘 | Hamid Ghaderi Ali Jafarian Ali Aminian Seyedeh Adeleh Mirjafari Daryasari | 2010 | International Journal of Surgery2010，，4： | 1 |
| 14 | Kinetics and electro- catalytic behavior of nanocrystalline CoNiFe alloy in hy- drogen evolution reaction 显示文摘 | Jafarian M Azizi O Gobal F | 2006 | International Journal of Hy- drogen Energy2006，32，12： | 1 |
| 15 | Acute and chronic effects of nitrendipine on naloxone precipitated morphine withdrawal in mice 显示文摘 | Rabbani M Jafarian - Dehkordi A Ahmadi A | 2004 | Iran J Pharmaceut Res2004，2，8： | 1 |
| 16 | Spectrum-preserving linear maps显示文摘 | Jafarian A A Sourour A R | 1986 | J Funct Anal1986，66，： | 1 |
| 17 | A study of the electro-catalytic oxidation of methanol on a cobalt hydroxide modified glassy carbon electrode显示文摘 | Jafarian M Mahjani M G Heli H | | 0，，23： | 1 |
| 18 | ,Heetrocatalylic oxidation of methane at nickd hydroxide modified nickel dectrode in alkaline solution显示文摘 | Jafarian M Mshjani M G Heli H | 2003 | Eleetrochemistry Communications2003，5，： | 1 |
| 19 | Evaluation of diffusion welding of 6061 aluminum and AZ31 magnesium alloys without using an interJayer显示文摘 | JAFARIAN M KHODABANDEH A MANAFI S | 2015 | Materials and Design2015，65，： | 1 |
| 20 | Linear maps preserving commutativity显示文摘 | Choi M D Jafarian A A Radjavi H | 1987 | Linear Algebra Appl1987，87，： | 1 |
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