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  • ICALEO 2013 Paper #905 (Hybrid Laser Welding of Single Sided Fully Penetrated Fillet Welds)

    Hybrid Laser Welding of Single Sided Fully Penetrated Fillet Welds
    Authors:
    Wojciech Suder, Cranfield University; Cranfield Great Britain
    Josef Camilleri, Cranfield University; Cranfield Great Britain
    Stewart Williams, Cranfield University; Cranfield Great Britain
    Presented at ICALEO 2013

    Fillet welds are inherent part of large structures in shipbuilding industry, where distortion is a major issue. Hybrid laser welding enables fully penetrated fillet welds to be achieved with a lower energy than arc-based welding processes. This has significant effect on increase of productivity, decrease of distortion and reduction of weight. To achieve defects-free welds with good fa...

    $28.00

  • ICALEO 2013 Paper #904 (Hybrid Laser Welding of Cladded Tubes.)

    Hybrid Laser Welding of Cladded Tubes.
    Authors:
    Frederic Coste, PIMM-UMR 8006; Paris France
    Presented at ICALEO 2013

    The use of cladded pipe-lines with an inner layer of stainless steel or Nickel base alloys tends to increase for deep offshore pipe line applications. End users and certification code generally ask for conventional welding. This ensures an optimum quality on the inner side of the root pass and preserves the anti-corrosion property of the inner clad. However, this is obtained with a small thickness of the first pass and a low welding speed. Laser hybrid welding seems to be an attractive technique for increasing both the thickness of the root pass and the welding speed. Combinati...

    $28.00

  • ICALEO 2013 Paper #902 (Induction Assisted Gma-Laser Hybrid Welding of High-Strength Fine-Grain Structural Steels)

    Induction Assisted Gma-Laser Hybrid Welding of High-Strength Fine-Grain Structural Steels
    Authors:
    Rabi Lahdo, Laser Zentrum Hannover e.V.; Braunschweig USA
    Oliver Seffer, Laser Zentrum Hannover E.V.; Hannover Germany
    Andre Springer, Laser Zentrum Hannover E.V.; Hannover Germany
    Stefan Kaierle, Laser Zentrum Hannover E.V.; Hannover Germany
    Ludger Overmeyer, Laser Zentrum Hannover E.V.; Hanover Germany
    Mareike Collmann, Institut FüR Stahlbau; Hannover Germany
    Peter Schaumann, Institut FüR Stahlbau; Hannover Germany
    JöRg Neumeyer, Institut FüR Elektroprozesstechnik; Hannover Germany
    Holger Schulbe, Institut ...

    $28.00

  • ICALEO 2013 Paper #901 (A Study of High Power Fiber-Laser-TIG-Hybrid Welding of Low Alloyed Steel)

    A Study of High Power Fiber-Laser-TIG-Hybrid Welding of Low Alloyed Steel
    Authors:
    Antti Salminen, Lappeenranta University of Technology; Lappeenranta Finland
    Seppo Leppanen, La; Imatra Finland
    Presented at ICALEO 2013

    The use of laser welding is enlarging to new applications partly via various technological advancements. These include development of lasers and laser system components together with development in process techniques. The first studied and reported of so called laser-hybrid welding processes was laser-TIG-hybrid welding. This process has advantages over the laser-MIG-hybrid process due to the fact that wire feeding and arc parameters can really be controlled separate...

    $28.00

  • ICALEO 2013 Paper #804 (Non-Disruptive, Low Loss In-Line Laser Beam Monitoring System for Industrial Laser Processing)

    Non-Disruptive, Low Loss In-Line Laser Beam Monitoring System for Industrial Laser Processing
    Authors:
    Michael Scaggs, HAAS Laser Technologies; Flanders NJ USA
    Gilbert Haas, Haas Laser Technologies, Inc.; Flanders NJ USA
    Presented at ICALEO 2013

    Monitoring both near and far field laser beam parameters is extremely helpful in understanding the quality of a laser process. The measurement of such parameters has not been practical to date due to the required disruption of the process beam in order to make the measurement. A significant quality control enhancement could be realized if one could monitor both near and far field patterns of the laser system during the process if it could...

    $28.00

  • ICALEO 2013 Paper #801 (The Full Spectrum Absorptance of Engineering Grade Metals with Diverse Surface Appearances)

    The Full Spectrum Absorptance of Engineering Grade Metals with Diverse Surface Appearances
    Authors:
    Heng Zhao, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
    Dongyun Zhang, Institute of Laser Engineering, Beijing University of Technology; Beijing
    Rui Wu, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
    Congyang Li, Institute of Laser Engineering, Beijing University of Technology; Beijing Peoples Republic of China
    Presented at ICALEO 2013

    Acquisition of the as-received industrial material absorptance of light is important for guiding the laser machining...

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  • ICALEO 2013 Paper #703 (Research on Laser Drilling in Diverse Modes by Ns Pulse Laser)

    Research on Laser Drilling in Diverse Modes by Ns Pulse Laser
    Authors:
    Xiaobing Zhang, Beijing Aeronautical Manufacturing Technology Research Insitutte; Beijing Peoples Republic of China
    Presented at ICALEO 2013

    The paper reports the research of laser drilling technology by ns pulse laser for purpose of making cooling holes with thinner recast layer or even without recast in aero-engine. In research we employ diverse modes in making holes in nickel-based alloy samples. The first way is making holes with low power high frequency ns pulse laser in scanning mode of removing the material layer by layer, the second one is making holes with ns width pulse train laser in percussion mode, the third is ...

    $28.00

  • ICALEO 2013 Paper #702 (Cax Process Chain for Laser Drilling of Tool Molds)

    Cax Process Chain for Laser Drilling of Tool Molds
    Authors:
    Hermann Uchtmann, Chair for Laser Technology of the Rwth Aachen University; Aachen Germany
    Ingomar Kelbassa, Chair for Laser Technology of the Rwth Aachen University; Aachen Germany
    Presented at ICALEO 2013

    Rotation sintering, also known as slush molding, is used to manufacture molded skins, such as cockpit or door interior panels for cars. At present, approx. 80 percent of molded skins are manufactured using electroforms due to the complex free-form surfaces, and surface structures such as leather graining. The manufacture of these electroforms is time-consuming and expensive. The aim is to replace conventional electrofor...

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  • ICALEO 2013 Paper #701 (Determination of the Bore Hole Diameter by Analyzing Process Emissions)

    Determination of the Bore Hole Diameter by Analyzing Process Emissions
    Authors:
    Stefan Janssen, Chair for Laser Technology, RWTH Aachen University; Aachen Germany
    Hermann Uchtmann, Chair for Laser Technology, Rwth Aachen University; Aachen Germany
    Ingomar Kelbassa, Chair for Laser Technology, Rwth Aachen University; Aachen Germany
    Presented at ICALEO 2013

    In order to guide cooling air through turbine blades, bore holes with 500-800 microns diameter need to be drilled into the blades. The tolerance of the bore hole diameter must not exceed a range of about 10-30 microns so that a constant air flow capacity can be guaranteed. For the determination of the bore hole diamet...

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  • ICALEO 2013 Paper #605 (Butt Welding of Transparent Polyamide (Pa11) with 1.94 Micron Fiber Laser)

    Butt Welding of Transparent Polyamide (Pa11) with 1.94 Micron Fiber Laser
    Authors:
    Petri Laakso, VTT; Lappeenranta Finland
    Saara Ruotsalainen, Vtt; Lappeenranta Finland
    Veli Kujanpaa, Vtt; Lappeenranta Finland
    Gerhard Otto, Fhg Ilt; Aachen Germany
    Alexander Olowinsky, Fhg Ilt; Aachen Germany
    Presented at ICALEO 2013

    Laser welding of polymeric products has been manufactured for more than 20 years. During that time polymer welding has developed a lot. In spite of that, there are still some limitations in applying the process to the industry. Typically welding has been made in lap joint configuration with black and clear parts because of optical ...

    $28.00

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