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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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DOI

10.1007/s12024-011-9310-1

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1878-6669

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Development of a Welding Monitoring System for In

Authors: Yoshihiro Fujita Tsuyoshi Ogawa Satoru Asai Setsu Yamamoto Tatsuya Ohdake Makoto Ochiai
Publish Date: 2013/03/19
Volume: 56, Issue: 11-12, Pages: 15-25
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Abstract

The authors have developed a systematized inprocess quality control system for arc welding of thick walled pipe utilizing visual sensors and computers This system consisted of four main subsystems that monitor the welding conditions monitor the weld pool shape visualize the weld bead shape and visualize inner defects respectively The welding condition monitoring system detects abnormal welding conditions using an electric signal The weld pool shape monitoring system assesses the position among weld pool the electrode wire and groove using a charge coupled device CCD camera and filters The weld bead shape visualization system detects abnormal bead surface conditions using a threedimensional 3D visual technique The inner defect visualization system was achieved using a laserultrasonic inprocess testing LUT technique and synthesis aperture focus technique SAFT Each subsystem informs workers of unsuitable welding conditions to allow them to reestablish the suitable conditions Furthermore the inprocess quality control system was applied to thick walled pipe welding to verify the practicality of this system for improving the quality and efficiency of welding operations


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  2. Development of SnAgCu solders with Bi and In additions and microstructural characterization of joint interface
  3. Spatter And Fume Reduction In Co 2 Gas- Shielded Arc Welding By Regulated Globular Transfer
  4. Impact of the Qualification of Personnel in the Manufacturing Industry
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  6. In situ strain evaluation during TIG welding determined by backside digital image correlation
  7. Economic Orthogonally Welded Stiffening of an Uniaxially Compressed Steel Plate
  8. Henry Granjon Prize Competition 2006 Winner, Category B “Materials behaviour and weldability” The Influence of Molybdenum on the Microstructure of Stainless Steel Welds
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  11. The Influence of Ultrasonic Impact Treatment on Fatigue Behaviour of Welded Joints in High-Strength Steel
  12. Mechanical-Technological and Fracture Mechanical Properties of the high Grade Pipeline-Steel X80 with Results of Different Pipeline-Projects
  13. Development and Application of the 3-Electrode MAG High-Speed Horizontal Fillet Welding Process
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  19. Four Decades of Electron Beam Development at TWI
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