• ICALEO 2010 Paper #708 (Laser Triming of Hot Formed Steels: a Comparison Between 10,6 and 1µM Laser Light)

    Laser Triming of Hot Formed Steels: a Comparison Between 10,6 and 1µM Laser Light
    Authors:
    Ivo Gasner, TRUMPF Laser- und Systemtechnik GmbH; Ditzingen USA
    Presented at ICALEO 2010

    Modern cars have to satisfy low fuel economy at an uncompromised safety level. The use of martensitic boron steels like 22MnB5 in safety relevant components allows to reduce the weight of a car while increasing the passenger safety. Since many years LASERs are the first choice for the trimming process of this material after it has received its final shape. Since the worldwide demand for components made in this process is still on the rise, the need for technological innovations to get more production output is unbrok...

    $28.00

  • ICALEO 2010 Paper #707 (Single-Sided Laser Tube Cutting For Nuclear Decommissioning Applications)

    Single-Sided Laser Tube Cutting For Nuclear Decommissioning Applications
    Authors:
    Ali Khan, The Welding Institute (TWI Ltd); Cambridge Great Britain
    Paul Hilton, The Welding Institute (TWI Ltd); Cambridge Great Britain
    Presented at ICALEO 2010

    An essential part of nuclear decommissioning is to ensure that all the radioactive waste arising during the dismantling process is safely, effectively and economically managed. Although 99% of the radioactivity is associated with the fuel which is removed following permanent shutdown, significantly large infrastructures remain, consisting of various materials, of which a significant portion is metallic tubing of various diameters. These tubes...

    $28.00

  • ICALEO 2010 Paper #706 (Energy Balance of Laser-Oxygen Cutting of Thick Steel Sheets with Minimal Roughness)

    Energy Balance of Laser-Oxygen Cutting of Thick Steel Sheets with Minimal Roughness
    Authors:
    Vasily Fomin, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Alexandr Malikov, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Anatoly Orishich, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Victor Shulyatyev, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Presented at ICALEO 2010

    In our previous work we found experimentally the scaling laws for the oxygen-assisted laser cutting of lo...

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  • ICALEO 2010 Paper #705 (Relationships Between the Melt Dynamics and Cut Finishing in Laser Cutting)

    Relationships Between the Melt Dynamics and Cut Finishing in Laser Cutting
    Authors:
    A. Riveiro, Applied Physics Department, ETSII, University of Vigo; Vigo Spain
    F. Quintero, Applied Physics Department, ETSII, University of Vigo; Vigo Spain
    F. Lusquinos, Applied Physics Department, ETSII, University of Vigo; Vigo Spain
    M. Boutinguiza, Applied Physics Department, ETSII, University of Vigo; Vigo Spain
    R. Comesana, Applied Physics Department, ETSII, University of Vigo; Vigo Spain
    J. Pou, University of Vigo; Vigo Spain
    Presented at ICALEO 2010

    Generally speaking, laser cutting offers the possibility to obtain cuts with high quality. N...

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  • ICALEO 2010 Paper #704 (A Comparative Study on Fusion Cutting with Disk and CO2 Lasers)

    A Comparative Study on Fusion Cutting with Disk and CO2 Lasers
    Authors:
    Leonardo Daniele Scintilla, Politecnico di Bari, Department of Mechanical and Management Engineering (DIMeG); Bari Italy
    Luigi Tricarico, Politecnico di Bari, Department of Mechanical and Management Engineering (DIMeG); Bari Italy
    Achim Mahrle, University of Technology Dresden, Institute for Surface and Production Technology, IOF Dresden; Dresden Germany
    Andreas Wetzig, Fraunhofer Institute for Material and Beam Technology, IWS Dresden; Dresden Germany
    Thomas Himmer, Fraunhofer Institute for Material and Beam Technology, IWS Dresden; Dresden Germany
    Eckhard Beyer, University of...

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  • ICALEO 2010 Paper #703 (The Numerical Studies of the Laser Processing Parameters on Copper and Aluminum during Laser Cutting)

    The Numerical Studies of the Laser Processing Parameters on Copper and Aluminum during Laser Cutting
    Authors:
    DONGKYOUNG LEE, Center for Laser Aided Intelligen Manufacturing, University of Michigan; Ann Arbor MI USA
    Jyotirmoy Mzaumder, Center for Laser Aided Intelligen Manufacturing, University of Michigan; Ann Arbor MI USA
    Presented at ICALEO 2010

    Laser beam power and scanning speed are two of the most important factors affecting the behavior of a melt pool and deep penetration hole. The quality of laser cutting, thus, is highly influenced by the operating laser parameters. To satisfy cutting edge quality, the University of Michigan and Franhofer Institute are collaborating on t...

    $28.00

  • ICALEO 2010 Paper #702 (Self-Optimizing Focus Technique (SOFT) - A New Approach on the Way to Next Generation Cognitive Laser Cutting Machines)

    Self-Optimizing Focus Technique (SOFT) – A New Approach on the Way to Next Generation Cognitive Laser Cutting Machines
    Authors:
    T. Molitor, Fraunhofer-Institute for Laser Technology (ILT); Aachen Germany
    F. Schneider, Fraunhofer-Institute for Laser Technology (ILT); Aachen Germany
    T. Buβkamp, Fraunhofer-Institute for Laser Technology (ILT); Aachen Germany
    U. Thombansen, Fraunhofer-Institute for Laser Technology (ILT); Aachen Germany
    U. Eppelt, Department Nonlinear Dynamics of Laser Processing (NLD), RWTH Aachen University; Aachen Germany
    D. Petring, Fraunhofer-Institute for Laser Technology (ILT); Aachen Germany
    W. Schulz, Fraunhofe...

    $28.00

  • ICALEO 2010 Paper #509 (Hot Cracking by High Power Laser Beam Welding of Thick High Strength Structural Steels Under Restraint Conditions)

    Hot Cracking by High Power Laser Beam Welding of Thick High Strength Structural Steels Under Restraint Conditions
    Authors:
    Vanessa Quiroz, BAM Federal Institute for Materials Research and Testing; Berlin Germany
    Moritz Gebhardt, BAM Federal Institute for Materials Research and Testing; Berlin Germany
    Sergej Gook, BAM Federal Institute for Materials Research and Testing; Berlin Germany
    Andrey Gumenyuk, BAM Federal Institute for Materials Research and Testing; Berlin Germany
    Michael Rethmeier, BAM Federal Institute for Materials Research and Testing; Berlin Germany
    Presented at ICALEO 2010

    High power laser beam welding represents a cost-effectiv...

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  • ICALEO 2010 Paper #507 (Laser Power Modulation at the Threshold from Heat Conduction to Deep-Penetration Welding)

    Laser Power Modulation at the Threshold from Heat Conduction to Deep-Penetration Welding
    Authors:
    Peter Stritt, GSaME Graduate School of Excellence advanced Manufacturing Engineering; Stuttgart Germany
    Rudolf Weber, Ifsw Institut Fuer Strahlwerkzeuge; Stuttgart Germany
    Thomas Graf, Ifsw Institut Fuer Strahlwerkzeuge; Stuttgart Germany
    Steffen Mueller, Audi AG; Neckarsulm Germany
    Christian Ebert, Audi AG; Neckarsulm Germany
    Presented at ICALEO 2010

    Today, lasers are operated either in pulsed or cw (continuous wave) mode for laser welding applications. While the cw mode is common for larger structural welds, pulsed welding is mainly used for sma...

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  • ICALEO 2010 Paper #506 (Interaction Time Effects on the Transition Between Conduction and Keyhole Laser Welding)

    Interaction Time Effects on the Transition Between Conduction and Keyhole Laser Welding
    Authors:
    Eurico Assuncao, Welding Engineering Research Centre, Cranfield University; Cranfield Great Britain
    Stewart Williams, Welding Engineering Research Centre, Cranfield University; -
    David Yapp, Welding Engineering Research Centre, Cranfield University; -
    Presented at ICALEO 2010

    Welding with a laser in keyhole mode provides deep penetration and/or high process speeds. On the other hand welding in the conduction provides much higher quality with no defects or spatter. When welding in conduction mode it is essentially to avoid keyhole effect in order to maintain this quality. ...

    $28.00

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