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  • ICALEO 2008 Paper #2001 (Determination of Optimal Focal Position during CO2 Laser Cutting of Mdfb Thick Sheets to Reduce Side Kerf Curvature)

    Determination of Optimal Focal Position during CO2 Laser Cutting of Mdfb Thick Sheets to Reduce Side Kerf Curvature
    Authors:
    Francisco Letellier, Pontificia Universidad Católica de Chile; Santiago Chile
    Jorge Ramos-Grez, Pontificia Universidad Católica de Chil; Santiago Chile
    Presented at ICALEO 2008

    Wood products such as MDFB (medium density fiberboard) have become extensively used today in the furniture and sign industries among other applications. CO2 laser cutting of MDFB has also been successfully applied due to the fast cut speed response of the process. Nonetheless, laser cutting of MDFB having thickness greater than 8 mm, keeping focal position fixed at the surface of th...

    $28.00

  • ICALEO 2008 Paper #1909 (Computer Simulation of Laser Material Removal: Measuring the Depth of Penetration in Laser Engraving)

    Computer Simulation of Laser Material Removal: Measuring the Depth of Penetration in Laser Engraving
    Authors:
    Hamidreza Karbasi, Conestoga College; Kitchener ON Canada
    Presented at ICALEO 2008

    Laser engraving is becoming an appealing option for those applications where previously Electrical Discharge Machining (EDM) was the only choice because of its advantages with practicability, time and cost. Laser engraving technology removes material in a layer-by-layer fashion and the thickness of layers is usually in the range of a few microns and it is depending on several parameters such as the specimen material, laser power, Transverse Electromagnetic Mode (TEM), and beam traverse speed. The crucial ...

    $28.00

  • ICALEO 2008 Paper #1907 (Effect of Laser Beam on the Chip Formation in Machining of Titanium Alloys)

    Effect of Laser Beam on the Chip Formation in Machining of Titanium Alloys
    Authors:
    Shoujin Sun, Swinburne University of Technology; Melbourne Australia
    Matthew Dargusch, University of Queensland; Queensland Australia
    Milan Brandt, Swinburne University of Technology; Melbourne Australia
    Presented at ICALEO 2008

    The effect of laser beam on the chip formation in machining of both Ti6Al4V alloy and commercially pure titanium has been investigated at different cutting speeds, laser powers and tool-beam distances. The characteristics of the segmented chip by LAM in terms of depth of tooth and tooth spacing are strongly dependent on the cutting speed and tool-beam distance....

    $28.00

  • ICALEO 2008 Paper #1903 (Development of Indirect Laser Peening for Forming a Micro-dimple and Making Powder Deposition on the Substrate)

    Development of Indirect Laser Peening for Forming a Micro-dimple and Making Powder Deposition on the Substrate
    Authors:
    Muneharu Kutsuna, Retired; Aichi-ken Japan
    Haruki Mizutani, Nagoya University; Nagoya Japan
    Hiroki Inoue, Nagoya University; Nagoya Japan
    Presented at ICALEO 2008

    A modification of laser peening has been carried out for forming a micro-dimple and introducing compressive residual stress in the materials and making powder deposition on the surface of substrates such as metal, wood and polymer using a metal foil. In the present work, Q-switch YAG laser with a max. pulse energy of 650mJ as a wave length of 532nm was used to generate high plasma pressure ...

    $28.00

  • ICALEO 2008 Paper #1902 (Laser Shock Processing of 6056 Aluminium Alloy and Influence of the Overlapping Rate: 3D Modelling and Experimental Validation)

    Laser Shock Processing of 6056 Aluminium Alloy and Influence of the Overlapping Rate: 3D Modelling and Experimental Validation
    Authors:
    Hongbin Song, Lim-Ensam, Umr 8006 Cnrs; Paris France
    Patrice Peyre, Lalp-Gerailp, Upr 1578 Cnrs; Arcueil France
    Herve Pelletier, Lgeco, Ea 3938, Insa De Strasbourg; Strasbourg France
    Vincent Ji, Icmmo/Lemhe, Umr Cnrs 8182; Orsay France
    Vincent Vignal, ICB, UMR5209, Cnrs; Dijon France
    Olivier Heintz, ICB, UMR5209, Cnrs; Dijon France
    Presented at ICALEO 2008

    6056 aluminium alloy is a well-known aeronautical alloys with numerous applications such as fuselage of civil aircrafts. To preserve its surfa...

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  • ICALEO 2008 Paper #1901 (Laser Peen Forming for Non-thermal 2D Shaping and Micro Adjustment of Sensitive Metallic Components)

    Laser Peen Forming for Non-thermal 2D Shaping and Micro Adjustment of Sensitive Metallic Components
    Authors:
    Kenneth Edwards, The University of Liverpool; Liverpool Great Britain
    Stuart Edwardson, The University of Liverpool; Liverpool Great Britain
    Christian Carey, The University of Liverpool; Liverpool Great Britain
    Geoff Dearden, The University of Liverpool; Liverpool Great Britain
    Ken Watkins, The University of Liverpool; Liverpool Great Britain
    Craig Williams, University of Liverpool; Liverpool Great Britain
    Presented at ICALEO 2008

    Laser peen forming has been carried out on steel, stainless steel, copper and brass samples, w...

    $28.00

  • ICALEO 2008 Paper #1804 (Progress in Laser Beam Welding of Aircraft Fuselage Panels)

    Progress in Laser Beam Welding of Aircraft Fuselage Panels
    Authors:
    Dirk Dittrich, Fraunhofer Institute - Material and Beam Technology; Dresden Germany
    Bernd Winderlich, Fraunhofer Institute - Material and Beam Technology; Dresden Germany
    Berndt Brenner, Fraunhofer Institute - Material and Beam Technology; Dresden Germany
    Eckhard Beyer, Fraunhofer Institute - Material and Beam Technology; Dresden Germany
    Jens Hackius, Airbus Deutschland Gmbh; Bremen Germany
    Presented at ICALEO 2008

    The most challenging objective for future metallic fuselages is to reduce weight and to obtain lower production costs in comparison to CFRP-Materials. On the metall...

    $28.00

  • ICALEO 2008 Paper #1803 (Welding of Aerospace Aluminium Alloys using FSW and LBW)

    Welding of Aerospace Aluminium Alloys using FSW and LBW
    Authors:
    Joaquín Vázquez, Aimen; Porrino Spain
    Ambroise Vandewynckèle, Aimen; Porrino Spain
    Eva Vaamonde, Aimen; Porri Spain
    Daniel Gesto, Aimen; Porri Spain
    Presented at ICALEO 2008

    The important joint requirements in the aeronautical sector has encouraged companies to investigate new approaches for aircraft design, in the fields of materials and joining technologies. However aluminium alloys still have a wide range of use in the aerospace industry due to its high strength to weight ratio. As a consequence nowadays interest is focused on new welding technologies as an alternative to mechanic...

    $28.00

  • ICALEO 2008 Paper #1802 (Laser Beam Welding of Titanium - A Comparison of CO2 and Fiber Laser for Potential Aerospace Applications)

    Laser Beam Welding of Titanium – A Comparison of CO2 and Fiber Laser for Potential Aerospace Applications
    Authors:
    Steffen Mueller, Fraunhofer Usa, Center for Coatings & Laser Applications; Plymouth MI USA
    Craig Bratt, Fraunhofer Usa; Plymouth MI USA
    Peter Mueller, Fraunhofer Usa; Plymouth MI USA
    Jonathan Cuddy, Standard Aero; Winnipeg MB Canada
    Kartik Shanker, Standard Aero; Winnipeg MB Canada
    Presented at ICALEO 2008

    The Laser welding process is increasingly being considered for joining titanium alloy airplane structures and also for manufacture, repair and overhaul of titanium aeroengine components. Recent advancement in gas and solid sta...

    $28.00

  • ICALEO 2008 Paper #1801 (Laser Beam Welding of Aircraft Fuselage Structures)

    Laser Beam Welding of Aircraft Fuselage Structures
    Authors:
    Berndt Brenner, Fraunhofer Iws; Dresden Germany
    Jens Standfuss, Fraunhofer Iws; Dresden Germany
    Dirk Dittrich, Fraunhofer Iws; Dresden Germany
    Bernd Winderlich, Fraunhofer Iws; Dresden Germany
    Jens Liebscher, Fraunhofer Iws; Dresden Germany
    Jens Hackius, Airbus Deutschland Gmbh; Bremen Germany
    Presented at ICALEO 2008

    Laser beam welding of stiffener elements with the skin is one of the key technologies to improve concurrently both the production efficiency and lowering weight of metallic fuselages for current and future aircrafts.
    As a pioneer of this technology, Airbus...

    $28.00

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