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| 1 | Microstructure,Tensile and Impact Toughness Properties of Friction Stir Welded Mild Steel显示文摘Microstructure,tensile and impact toughness properties and fracture location of friction stir welded AISI 1018 mild steel were revealed.The AISI 1018 mild steel plates with thickness of 5 mm were friction stir welded by tungsten based alloy tool with tool rotational speed of 1000 r/min and welding speed of 50 mm/min.Tensile strength of stir zone is higher(8%)compared to that of the base metal.This may be due to the formation of finer grains in the weld nugget region under the stirring action of the rotating tool.The ductility and impact toughness of the joints are decreased compared to those of the base metal owing to the inclusion of tungsten particles in the weld region. | A K Lakshminarayanan V Balasubramanian M Salahuddin | 2010 | Journal of Iron and Steel Research(International)2010，17，10： | 10 |
| 2 | Evaluation of Microstructure and Mechanical Properties of Laser Beam Welded AISI 409M Grade Ferritic Stainless Steel显示文摘The microstructure analysis and mechanical properties evaluation of laser beam welded AISI 409M ferritic stainless steel joints are investigated.Single pass autogeneous welds free of volumetric defects were produced at a welding speed of 3 000 mm/min.The joints were subjected to optical microscope,scanning electron fractographe,microhardness,transverse and longitudinal tensile,bend and charpy impact toughness testing.The coarse ferrite grains in the base metal were changed into dendritic grains as a result of rapid solidification of laser beam welds.Tensile testing indicates overmatching of the weld metal is relative to the base metal.The joints also exhibited acceptable impact toughness and bend strength properties. | A K Lakshminarayanan V Balasubramanian | 2012 | Journal of Iron and Steel Research(International)2012，19，1： | 9 |
| 3 | Application of Response Surface Methodolody to Prediction of Dilution in Plasma Transferred Arc Hardfacing of Stainless Steel on Carbon Steel显示文摘The application of response surface methodology was highlighted to predict and optimize the percentage of dilution of iron-based hardfaced surface produced by the PTA (plasma transferred arc welding) process.The experi- ments were conducted based on five-factor five-level central composite rotatable design with full replication technique and a mathematical model was developed using response surface methodology.Furthermore,the response surface methodology was also used to optimize the process parameters that yielded the lowest percentage of dilution. | V Balasubramanian A K Lakshminarayanan R Varahamoorthy S Babu | 2009 | Journal of Iron and Steel Research(International)2009，16，1： | 8 |
| 4 | Effect of Autogenous Arc Welding Processes on Tensile and Impact Properties of Ferritic Stainless Steel Joints显示文摘The effect of autogeneous arc welding processes on tensile and impact properties of ferritic stainless steel conformed to AISI 409M grade is studied.Roiled plates of 4 mm thickness have been used as the base material for preparing single pass butt welded joints.Tensile and impact properties,microhardness,microstructure,and fracture surface morphology of continuous current gas tungsten arc welding (CCGTAW),pulsed current gas tungsten arc welding (PCGTAW),and plasma arc welding (PAW) joints are evaluated and the results are compared.It is found that the PAW joints of ferritic stainless steel show superior tensile and impact properties when compared with CCG- TAW and PCGTAW joints,and this is mainly due to lower heat input,finer fusion zone grain diameter,and higher fusion zone hardness. | A K Lakshminarayanan K Shanmugam V Balasubramanian | 2009 | Journal of Iron and Steel Research(International)2009，16，1： | 5 |
| 5 | Dynamic Fracture Toughness of Armour Grade Quenched and Tempered Steel Joints Fabricated Using Low Hydrogen Ferritic Fillers显示文摘The armour grade quenched and tempered steel joints fabricated using low hydrogen ferritic steel (LHF) filler exhibited superior joint efficiency owing to preferential ferrite microstructure in the welds and also they offered required resistance to HIC. However, the combat vehicles used in military operations will be required to operate under a wide range of road conditions ranging from first class to cross country. Structural components in combat vehicles are subjected to dynamic loading with high strain rates during operation. Stress loadings within the vehicle hull of these vehicles are expected to fluctuate considerably and structural cracking especially in welds during the service life of these vehicles can lead to catastrophic failures. Under these conditions, fracture behaviour of high strain rate sensitive structural steels can be better understood by dynamic fracture toughness (K1d). Hence, an attempt was made to study dynamic fracture toughness of the armour grade quenched and tempered steel and their welds fabricated using LHF consumables. The experimental results indicate that the K1d values of the joints fabricated by shielded metal arc welding (SMAW) are higher than those of the joints fabricated using flux cored arc welding (FCAW) process. | G Magudeeswaran V Balasubramanian S Sathyanarayanan G Madhusudhan Reddy A Moitra S Venugopal G Sasikala | 2010 | Journal of Iron and Steel Research(International)2010，17，5： | 2 |
| 6 | Effect of Welding Processes on Tensile and Impact Properties,Hardness and Microstructure of AISI 409M Ferritic Stainless Joints Fabricated by Duplex Stainless Steel Filler Metal显示文摘The effect of welding processes such as shielded metal arc welding,gas metal arc welding and gas tungsten arc welding on tensile and impact properties of the ferritic stainless steel conforming to AISI 409M grade is studied.Rolled plates of 4 mm thickness were used as the base material for preparing single pass butt welded joints.Tensile and impact properties,microhardness,microstructure and fracture surface morphology of the welded joints have been evaluated and the results are compared.From this investigation,it is found that gas tungsten arc welded joints of ferritic stainless steel have superior tensile and impact properties compared with shielded metal arc and gas metal arc welded joints and this is mainly due to the presence of finer grains in fusion zone and heat affected zone. | A K Lakshminarayanan K Shanmugam V Balasubramanian | 2009 | Journal of Iron and Steel Research(International)2009，16，5： | 2 |
| 7 | Effect of Welding Processes on Tensile Properties of AA6061 Aluminium Alloy Joints 显示文摘 | Lakshminarayanan A K Balasubramanian V Elangovan K | 2009 | Int J Adv Manuf Technol2009，40，34： | 1 |
| 8 | A new twist on an old model for vortex-excited vibrations显示文摘 | SKOP R A BALASUBRAMANIAN S | | 0，，： | 1 |
| 9 | Arsenic removal through electrocoagulation:kinetic and statistical modeling显示文摘 | BALASUBRAMANIAN N KOJIMA T SRINIVASAKANNAN A | 2009 | Chemical Engineering Journal2009，155，12： | 1 |
| 10 | Reactions in high-temperature aqueous media显示文摘 | KATRITZKY A R NICHAEL D A SISKIN M HURUGAN R BALASUBRAMANIAN M | 2001 | Chem Rev2001，101，4： | 1 |
| 11 | RMM:a methodology for structured hypermedia design显示文摘 | Edward A Stohr P Balasubramanian | 1995 | Communications of the ACM1995，38，8： | 1 |
| 12 | A nonlinear oscillator model for vortex shedding from cylinders and cones in uniform and shear flows显示文摘 | Balasubramanian S Skop R A | 1996 | Journal of Fluids and Structures1996，10，： | 1 |
| 13 | Hydrogen from Methane in a Single Step Process显示文摘 | Balasubramanian B Lopez A Kaytakoglu S | | 0，，15： | 1 |
| 14 | How motivation,opportunity,and ability drive knowledge sharing:The constraining-factormodel显示文摘 | Siemsen E Roth A V Balasubramanian S | 2008 | Journal of Operations Management2008，26，3： | 1 |
| 15 | Electrochemical characterization of Magnesium/silver chloride battery显示文摘 | Balasubramanian R Veluchamy A Venkatarishnan N | 1995 | J Power Sources1995，56，1： | 1 |
| 16 | Corrosion product analysis of corrosion resistant ancient indian iron显示文摘 | Ramesh Kumar A V Balasubramanian R | 1998 | Corrosion Science1998，40，7： | 1 |
| 17 | Early Nephrologist Involvement in Hospital-Acquired Acute Kidney Injury :a Pilot Study显示文摘 | Balasubramanian G Al-Aly Z Moiz A | 2011 | Am J Kidney Dis2011，57，2： | 1 |
| 18 | Influence of the type of interface on the tribo- logical characteristics of ICVI generated SiCf/SiC composites 显示文摘 | UDAYAKUMAR A BALASUBRAMANIAN M GO- PALA H B | 2011 | Wear2011，271，56： | 1 |
| 19 | How Motivation,Opportunity and Ability Drive Knowledge Sharing: The Constraining- factor Model显示文摘 | Siemsen E Roth A V Balasubramanian S | 2007 | Journal of Operations Management2007，，9： | 1 |
| 20 | Effect of welding processes on tensile properties of AA6061 aluminium alloy joints 显示文摘 | Lakshminarayanan A K Balasubramanian V Elangovan K | 2009 | The International Journal of Advanced Manufacturing Technology2009，，： | 1 |
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