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| 1 | Influence of Heat Input in Pulsed Current GTAW Process on Microstructure and Corrosion Resistance of Duplex Stainless Steel Welds显示文摘The high corrosion resistance of duplex stainless steel(DSS)is due to elements such as Cr,Mo and N,but also depends on the microstructure.The best general properties are obtained with approximately equal amounts of austenite and ferrite and the absence of third phases such as σ(sigma)and Cr2N.In the present work the effect of heat input variations on the microstructure and corrosion resistance of a DSS UNS S32760 in artificial sea water media were studied.The corrosion resistance in 3.5% of NaCl solution was evaluated by potentiostatic polarization tests at room temperature.It is found that the presence of sigma phase and Cr2N decreases the corrosion potential.The specimen with heat input of approximately 0.95 kJ/mm have the best corrosion characteristics,which is the result for the lack of deleterious phases such as sigma and Cr2N and balanced ferrite-austenite proportion. | M Yousefieh M Shamanian A Saatchi | 2011 | Journal of Iron and Steel Research(International)2011，18，9： | 9 |
| 2 | Weldability of Ferritic Ductile Cast Iron Using Full Factorial Design of Experiment显示文摘The weldability of a ferritic ductile cast iron was investigated as a function of different consumables and welding conditions.A 23 full factorial experimental design was used to analyze the effect of factors and their interactions on ultimate tensile strength of weldments.The shielded metal arc welding(SMAW)process was used with two types of consumables(E7018and ENi-CI)under eight different conditions using as-cast samples.The microstructural evolution and fracture mechanisms were investigated by optical microscopy and scanning electron microscopy(SEM),respectively.The hardness,tensile and impact tests were also performed to determine the weld quality.Based on experiment design,preheat,consumable,cooling condition,preheat-cooling and preheat-consumable interactions were significant factors.Preheat is the most effective factor and in the case of E7018,preheat and cooling conditions were the most sensible factors.It was found that buttering was the most appropriate welding method for ferritic ductile cast iron. | Mohsen Askari-Paykani Mehrdad Shayan Morteza Shamanian | 2014 | Journal of Iron and Steel Research(International)2014，21，2： | 5 |
| 3 | 异种搅拌摩擦焊Incoloy 825镍基超合金和2507超级双相不锈钢的显微组织和力学性能(英文)显示文摘研究SAF 2507超级双相不锈钢和Incoloy 825镍基超合金间使用异种搅拌摩擦焊(FSW)的可行性,检测焊缝的显微组织和力学行为。结果表明,通过将SAF 2507定位在前进侧,可以将两种合金成功焊接在一起。由于熔核发生动态再结晶,以及熔核显微结构的细化,熔核的硬度高于基体硬度;所得焊接样品具有与Incoloy 825母合金相近的强度;SEM观察拉伸测试后的样品显示,其断裂模式为韧性断裂,焊缝区的断裂韧性(31 J)比Incoloy825母合金的(23 J)高,而比SAF 2507母合金的(42 J)低。基于以上结果可知,FSW方法适用于焊接超级双相不锈钢/镍基超级合金接头。 | Jalal KANGAZIAN Morteza SHAMANIAN | 2019 | Transactions of Nonferrous Metals Society of China2019，29，8： | 3 |
| 4 | CoCuFeMnNi高熵合金瞬态液相连接的显微组织与力学性能评价显示文摘研究CoCuFeMnNi高熵合金(HEA)的瞬时液相(TLP)连接。TLP连接使用AWS BNi-2夹层,温度为1050℃,时间分别为20、60、180、和240 min。采用扫描电镜和能谱仪表征连接时间对接头显微组织的影响。显微组织结果证实,约240 min时发生完全等温凝固。而连接时间为20、60和180 min的样品其连接区形成非热凝固区,含有富铬硼化物和Mn3Si金属间化合物。所有样品接头的等温凝固区中均形成γ-Ni固溶体。为了研究TLP连接时间对接头力学性能的影响,测量接头的剪切强度和显微硬度。结果表明,接头显微硬度值较小,相邻区显微硬度值较大。连接时间为20 min的样品接头具有最低的剪切强度100 MPa,而连接时间为240 min的样品具有最大的剪切强度180 MPa。 | Mohammad Ali KARIMI Morteza SHAMANIAN Mohammad Hossein ENAYATI | 2021 | Transactions of Nonferrous Metals Society of China2021，31，10： | 2 |
| 5 | Effects of surface alloying on microstructure and wear be- havior of ductile iron surface-modi? ed with anickel-based alloy using shielded metal arc welding 显示文摘 | JESHVAGHANI R A HARATI E SHAMANIAN M | 2011 | Materials and Design2011，32，： | 1 |
| 6 | Synthesis of α-Mo-Mo5SiB2- Mo3Si nanocomposite powders by two-step mechanical alloying and subsequent heat treatment显示文摘 | ABBASI A R SHAMANIAN M | 2011 | Journal of Alloys and Compounds2011，509，： | 1 |
| 7 | Characterization of in situ α-Mo/Mo5SiB2 nanocomposite produced by mechanical alloying 显示文摘 | ABBASI A R SHAMANIAN M | 2010 | Journal of Alloys and Compounds2010，508，： | 1 |
| 8 | Characterization of boride-rich hardfacing on carbon steel by arc spray and GMAW processes显示文摘 | Amushahi M H Ashrafizadeh F Shamanian M | | 0，，204： | 1 |
| 9 | Optimi- zation of Pulsed TIG Cladding Process of Stellite Alloy on Carbon Steel Using RSM 显示文摘 | MADADI F ASHRAFIZADEH F SHAMANIAN M | 2012 | Journal of Alloys and Com- pounds2012，510，1： | 1 |
| 10 | Numerical simula- tion and experimental investigation of residual stresses in the circum- ferential butt GTAW ofincoloy 800H pipes显示文摘 | PurmohamadH KermanpurA Shamanian M | 2010 | Journal of MaterialsEngineeringandPerformance2010，19，1： | 1 |
| 11 | Microstructural changes and mechanical properties of incoloy 800 after 15 years service 显示文摘 | Dehmolari R Shamanian M Kermanpur A | 2009 | Materials Characterization2009，60，3： | 1 |
| 12 | Thermo-vis- coplastic constitutive equation of austenitic stainless steel 310s显示文摘 | Safari A R Forouzan M R Shamanian M | 2013 | Computational Materials Science2013，68，： | 1 |
| 13 | Enhancement ofwear resistance of ductile iron surface alloyed by stellite 6 显示文摘 | Arabi Jeshvaghani Shamanian R M Jaberzadeh M | 2011 | Materials & Design2011，32，4： | 1 |
| 14 | Effect of tool rotation rate on microstructure and mechanical behavior of friction stir spot-welded Al/Cu composite 显示文摘 | SHIRALY M SHAMANIAN M TOROGHINEJAD M R AHMADI JAZANI M | 2014 | Journal of Materials Engineering and Performance2014，23，2： | 1 |
| 15 | Effects of surface alloying on microstructure and wear behavior of ductile iron surface-modified with a nickel-based alloy using shielded metal arc welding显示文摘 | R. Arabi Jeshvaghani E. Harati M. Shamanian | 2010 | Materials and Design2010，，3： | 1 |
| 16 | Influence of Ni interlayers on the mechanical properties of Ti6Al4V/ (WC-Co) friction welds 显示文摘 | Shamanian M Salehi M Saatehi A | 2003 | Materials and Manufacturing Processes2003，18，： | 1 |
| 17 | Optimization of pulsed TIG cladding process of stellite alloy on carbon steel using RSM显示文摘 | F. Madadi F. Ashrafizadeh M. Shamanian | 2011 | Journal of Alloys and Compounds2011，，1： | 1 |
| 18 | Numerical simulation and experimental investigation of temperature and residual stresses in GTAW with a heat sink process of Monel 400 plates显示文摘 | Yegaie Y S Kermanpur A Shamanian M | | 0，，13： | 1 |
| 19 | Microstructural characterization of dissimilar welds between alloy 800 and HP heat-resistant steel 显示文摘 | DEHMOLAEI R SHAMANIAN M | 2008 | Materials Characterization2008，58，： | 1 |
| 20 | Laser cladding of CoWSI/WSi2 on Ni substrate and evaluation of its high temperature oxidation behavior 显示文摘 | ZAREZADEH M M SHAMANIAN M SAIDI A | 2014 | Ceramics International2014，40，13： | 1 |
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