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| 1 | Effect of intermetallic compounds on the fracture behavior of dissimilar friction stir welding joints of Mg and Al alloys显示文摘Joining Mg to Al is challenging because of the deterioration of mechanical properties caused by the formation of intermetallic compounds(IMCs) at the Mg/Al interface. This study aims to improve the mechanical properties of welded samples by preventing the fracture location at the Mg/Al interface. Friction stir welding was performed to join Mg to Al at different rotational and travel speeds. The microstructure of the welded samples showed the IMCs layers containing Al12Mg17(γ) and Al3Mg2(β) at the welding zone with a thickness(< 3.5 μm). Mechanical properties were mainly affected by the thickness of the IMCs, which was governed by welding parameters. The highest tensile strength was obtained at 600 r/min and 40 mm/min with a welding efficiency of 80%. The specimens could fracture along the boundary at the thermo-mechanically affected zone in the Mg side of the welded joint. | Amir Hossein Baghdadi Zainuddin Sajuri Nor Fazilah Mohamad Selamat Mohd Zaidi Omar Yukio Miyashita Amir Hossein Kokabi | 2019 | International Journal of Minerals,Metallurgy and Materials2019，26，10： | 5 |
| 2 | AZ91镁合金的半固态搅拌摩擦焊接连接形成机理(英文)显示文摘半固态连接被认为是一种连接合金的可能的方法。研究了AZ91镁合金半固态搅拌摩擦焊接的机理。将2块7.5 mm厚的AZ91镁合金试件和1块2 mm厚的Mg 25%Zn中间层放在加热板上,加热到所需温度并保温3min后,采用旋转搅拌头搅拌焊缝。将加热板在台车上以4.6 cm/min的恒定速度运动。同时,对一个样品进行无中间层焊接。使用扫描电子显微镜和光学显微镜研究焊接过程中搅拌速度、搅拌头形状和温度的影响。结果表明,中间层降低了焊接温度;升高温度、加快搅拌速度、采用圆形搅拌头代替槽形搅拌头都能增大搅拌区的宽度。在焊接过程中,可能存在某些机理,从而有助于获得良好的的冶金结合,例如氧化层消失、液相混合、液球连接、液体渗入基体、从大量液球基体金属进入焊缝区。 | V. A. HOSSEINI H. AASHURI A. KOKABI | 2013 | Transactions of Nonferrous Metals Society of China2013，23，9： | 3 |
| 3 | Constrained groove pressing of low carbon steel: Nano-structure and mechanical properties显示文摘 | F. Khodabakhshi M. Kazeminezhad A.H. Kokabi | 2010 | Materials Science & Engineering A2010，，16： | 3 |
| 4 | Nonlinear microwave properties of YBaCuO thin films studied with the coplanar resonator technique显示文摘 | KOKABI H LADAN F R MARTINET C | 2002 | Physica C2002，，： | 1 |
| 5 | Role of tandem submerged arc welding thermal cycles on properties of the heat affected zone in X80 microalloyed pipe line steel显示文摘 | S. Moeinifar A.H. Kokabi H.R. Madaah Hosseini | 2010 | Journal of Materials Processing Tech2010，，3： | 1 |
| 6 | Modeling of heat transfer and fluid flow during gas tungsten arc welding of commercial pure aluminum 显示文摘 | Farzadi A Serajzadeh S Kokabi A H | 2008 | The International Journal of Advanced Manufacturing Technology2008，38，34： | 1 |
| 7 | Constrained groove pressing of low carbon steel: Nano-structure and mechanical properties显示文摘 | KHODABAKHSHI F KAZEMINEZHAD M KOKABI A H | 2010 | Materials Science and Engineering A2010，527，： | 1 |
| 8 | High temperature ablation of kaolinite layered silicate/phenolic resin/asbestos cloth nanocomposite显示文摘 | Bahramian A R Kokabi M Famili M H N | 2008 | Journal of Hazardous Materials2008，150，1： | 1 |
| 9 | Evolution of microstructures and mechanical properties in similar and dissimilar friction stir welding of AA5086 and AA6061显示文摘 | AVAL H J SERAIZADEH S KOKABI A H | 2011 | Materials Science and Engineering A2011，528，： | 1 |
| 10 | Influence of peak temperature during simulation and real ththermal cycles on microstructure and fracture properties of the reheated zones 显示文摘 | Moeinifar S Kokabi A H Madaah H R | 2010 | Mater Design2010，31，： | 1 |
| 11 | Microstructural studies and wear assessments of Ti/TiC surface composite coatings on commercial pure Ti produced by titanium cored wires and TIG process 显示文摘 | Monfarcd A Kokabi A I-I Asgari S | 2013 | Materials Chemistry and Physics2013，137，3： | 1 |
| 12 | An investigation of the densifieation and micro structural evolution of M2/316 L stepwise graded composite during co-sintering 显示文摘 | FIROUZDOR V S1MCHI A KOKABI H | 2008 | Journal of materials science2008，43，1： | 1 |
| 13 | Sinistral portal hypertension: presentation, radiological findings, and treatment options-a case report显示文摘 | Kokabi N Lee E Echevarria C | 2010 | J Radio Case Rep2010，4，10： | 1 |
| 14 | Sinistral portal hypertension: presentation, radiological findings, and treat- ment options-a case report 显示文摘 | Kokabi N Lee E Echevarria C Loh C | 2010 | J Radiol Case Rep2010，4，： | 1 |
| 15 | Microstructure development during transient liquid phase bonding of GTD-111 nickel-based superalloy 显示文摘 | Ekrami A Kokabi A H | 2007 | Journal of Alloys and Compounds2007，461，： | 1 |
| 16 | Ablation and thermal degradation behaviour of a composite based on resol type phenolic resin: process modeling and experimental显示文摘 | Ahmad Reza Bahramian Mehrdad Kokabi | 2006 | Polymer2006，47，10： | 1 |
| 17 | Sulfide stress corrosion cracking and hydrogen induced cracking of A216-WCC wellhead flow control valve body 显示文摘 | ZIAEI S M R KOKABI A H NASR-ESFEHANI M | 2013 | Case Studies in Engineering Failure Analysis2013，1，22： | 1 |
| 18 | Pva-Clay Nanocomposite Hydrogels for Wound Dressing 显示文摘 | Kokabi M Sirousazar M Hassan Z M | 2007 | Euro Polymer J2007，43，3： | 1 |
| 19 | Gelation Process in Low-toxic Gelcasting Systems 显示文摘 | KOKABI M BABALUO A A BARATI A | 2006 | Journal of the European Ce- ramics Society2006，26，15： | 1 |
| 20 | Structural effects of eofilin on longitudinal contacts in F-actin 显示文摘 | Bobkov AA Muhlrad A Kokabi K | 2002 | J Mol Biol2002，323，4： | 1 |
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