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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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10.1007/978-3-642-02391-0_16

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1878-6669

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An Investigation of Failure Types in HighStrength

Authors: Mohamed Bouzekri Sylvain Dancette Thomas Dupuy Arnaud Lens Bouchra Nait Oultit Véronique Massardier Damien FabrÈgue Helmut Klocker
Publish Date: 2013/01/16
Volume: 54, Issue: 3-4, Pages: 3-14
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Abstract

On the shop floor as in laboratories destructive testing remains the main means of quality control of spot welds After hand or mechanized weld destruction the socalled “plug diameter” is measured and is usually considered a good indicator of the weld quality However it turns out that the “plug” failure of spot welds is far from being the rule Moreover fracture may occur in different zones of the weld leading to very different meanings of the plug diameter Therefore the plug diameter is most of the time not wellcorrelated with the weld strength which is the main value of the spot weld Partial or full interfacial failures through the weld nugget exhibit equivalent mechanical strengths and therefore should not be rejected Through this work it is shown that the failure type depends on various parameters nugget diameter sheet thickness loading mode … and consequently it is not an intrinsic property of the steel grade In this way recommended quality criteria are based on weld strength weld diameter including the interfacial fracture area if any or absorbed energy independently of failure occurrence In addition nondestructive techniques might be key investigation methods and have to be developed further


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  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. 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
  5. Welder-optimized CJP-equivalency welds for tubular connections
  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
  9. 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
  10. Metallurgical characterization of the 5083H116 aluminum alloy welded with the cold metal transfer process and two different wire-electrodes (5183 and 5087)
  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
  14. Feasibility study of laser welding assisted by filler wire for narrow-gap butt-jointed plates of high-strength steel
  15. Laser brazing of TiAl intermetallic compound using precious brazing filler metals
  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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