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Title of Journal: Weld World

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Abbravation: Welding in the World

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Springer-Verlag

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10.1016/0022-0728(91)85219-f

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1878-6669

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Spatter And Fume Reduction In CoSubscript2/Subs

Authors: Kei Yamazaki Reiichi Suzuki Hiroyuki Shimizu Fusaki Koshiishi
Publish Date: 2013/03/19
Volume: 56, Issue: 9-10, Pages: 12-19
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Abstract

The CO2 gasshielded arc welding process with solid wire is widely used in Japan due to its good weld quality high efficiency and reasonable wire and shielding gas costs However this process has its drawbacks especially in the globular transfer mode at a high welding current where significant amounts of spatter and fume are generated To solve this problem the author has investigated how to control globular transfer with a special pulsed current and has developed a regulated method and power source for practical use The present report discusses the mechanism of this new method of regulating the globular transfer of molten droplets in which each droplet is squeezed at its upper part in peak current duration and is detached silently in base current duration Also various effects are reported concerning this new method and its application in the welding robot system for fabricating steel frames for buildings

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Other Papers In This Journal:
  1. Effects of Surface Treatments of Galvanized Steels on Process Properties of Projection Welding
  2. Development of SnAgCu solders with Bi and In additions and microstructural characterization of joint interface
  3. Impact of the Qualification of Personnel in the Manufacturing Industry
  4. Welder-optimized CJP-equivalency welds for tubular connections
  5. In situ strain evaluation during TIG welding determined by backside digital image correlation
  6. Economic Orthogonally Welded Stiffening of an Uniaxially Compressed Steel Plate
  7. Henry Granjon Prize Competition 2006 Winner, Category B “Materials behaviour and weldability” The Influence of Molybdenum on the Microstructure of Stainless Steel Welds
  8. Henry Granjon Prize Competition 2010 Winner Category a: “joining and Fabrication Technology” Study On Friction Stir Spot Welding Of Dual-Phase High-Strength Steel Sheets
  9. Metallurgical characterization of the 5083H116 aluminum alloy welded with the cold metal transfer process and two different wire-electrodes (5183 and 5087)
  10. The Influence of Ultrasonic Impact Treatment on Fatigue Behaviour of Welded Joints in High-Strength Steel
  11. Mechanical-Technological and Fracture Mechanical Properties of the high Grade Pipeline-Steel X80 with Results of Different Pipeline-Projects
  12. Development and Application of the 3-Electrode MAG High-Speed Horizontal Fillet Welding Process
  13. Feasibility study of laser welding assisted by filler wire for narrow-gap butt-jointed plates of high-strength steel
  14. Laser brazing of TiAl intermetallic compound using precious brazing filler metals
  15. An Investigation of Failure Types in High-Strength Steel Resistance Spot Welds
  16. Elastic Plastic Fe Analyses of Sub Models of Connections in Steel Framed Moment Resisting Buildings Under Earthquake Loading
  17. Development of a Welding Monitoring System for In-Process Quality Control of Thick Walled Pipe
  18. A new approach for MIG/MAG cladding with Inconel 625
  19. Four Decades of Electron Beam Development at TWI
  20. Three-dimensional finite element simulation of welding residual stress in RPV with two J-groove welds
  21. Investigation of Watergas Welded Joints for Future Decisions Concerning Old Hydropower Stations
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