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  • ICALEO 2005 Paper #P559 (Gas Investigation in Percussionnal Laser Drilling)

    Gas Investigation in Percussionnal Laser Drilling
    Authors:
    Matthieu Schneider, GIP/GERAILP; Arcueil France
    Laurent Berthe, GIP/LALP (CNRS); Arcueil France
    Maryse Muller, GIP/LALP (CNRS); Arcueil France
    Remy Fabbro, GIP/LALP (CNRS); Arcueil France
    Mariette Nivard, GIP/LALP (CNRS); Arcueil France
    Presented at ICALEO 2005

    This paper concerns the study of the laser drilling in percussion regime which is used extensively in aeronautical industries. In this case, the drilling is dominated by melt ejection induced by recoil pressure. Experimental understanding study of such process is complicated due to the number of parameters and the laser sources ...

    $28.00

  • ICALEO 2005 Paper #P556 (2D Effects During the Propagation of Shock-Wave Induced by Laser Plasma Application for Laser Adherence Test (LASAT))

    2D Effects During the Propagation of Shock-Wave Induced by Laser Plasma Application for Laser Adherence Test (LASAT)
    Authors:
    Cyril Bolis, CNRS/LALP; Arcueil France
    Laurent Berthe, Laboratoire pour l'Application des Lasers de Puissance -UPR CNRS 1578; Arcueil France
    Michel Arrigoni, laboratoire de Combustion et de dnique; Futuroscope France
    Michel Boustie, Laboratoire de Combustion et de Dnique; Futuroscope France
    Michel Jeandin, Ecole des Mines de Paris; Evry France
    Sophie Barradas, Ecole des Mines; Evry France
    Presented at ICALEO 2005

    This paper presents new results concerning the LASAT technique (LASer Adhesion Test) deve...

    $28.00

  • ICALEO 2005 Paper #P554 (Effects of Hybrid Welding Parameters on Porosity Formation in C-Mn Steel for Shipbuilding)

    Effects of Hybrid Welding Parameters on Porosity Formation in C-Mn Steel for Shipbuilding
    Authors:
    Seung-Gab Hong, Posco; Pohang Korea
    Jong-Bong Lee, Posco; Pohang Korea
    Presented at ICALEO 2005

    The effects of hybrid welding parameters on porosity formation in fillet joint have been investigated by using primer-coated AH36 steel. X-ray transmission images revealed that most of porosities in fillet joint were observed near back bead and the shapes of these porosities were similar to blow holes. From elemental mappings using EPMA near porosities, we could presume that the porosity formation was not attributed to Zn metal, which was contained within primer. From the investigation o...

    $28.00

  • ICALEO 2005 Paper #P551 (Diode Laser Surface Treatment of X40CrMoV5-1 Hot-Work Tool Steel)

    Diode Laser Surface Treatment of X40CrMoV5-1 Hot-Work Tool Steel
    Authors:
    Leszek Dobrzanski, Silesian University of Technology; Gliwice Poland
    Miroslaw Bonek, Silesian University of Technology; Gliwice Poland
    Presented at ICALEO 2005

    Investigations include alloying the X40CrMoV5-1 hot-work tool steel surface layer with the tungsten carbide, using the high power diode laser (HPDL). The structural mechanism was determined of surface layers development, effect was studied of alloying parameters, gas protection method, and thickness of paste layer applied onto the steel surface on structure refinement and influence of these factors on the mechanical properties of surface layer, and esp...

    $28.00

  • ICALEO 2005 Paper #P550 (A New Joining Strategy in Order to Join Zinc Coated Steels with Minimized Damaging of the Coating)

    A New Joining Strategy in Order to Join Zinc Coated Steels with Minimized Damaging of the Coating
    Authors:
    Jean Pierre Bergmann, Technical University Ilmenau; Ilmenau Germany
    Johannes Wilden, Technische UniversitIlmenau; Ilmenau Germany
    Markus Dolles, Technical University of Ilmenau; Ilmenau Germany
    Sebastian Reich, Tecnical University of Ilmenau; Ilmenau Germany
    Presented at ICALEO 2005

    Metallic components undergo during complete lifetime complex loading conditions, which are a combination of mechanical, environmental as well as corrosive loading. The developments within the ULSAB-project allowed the enhancement of mechanical properties of low alloyed ...

    $28.00

  • ICALEO 2005 Paper #P549 (Mechanical Properties Optimization of Stereolithographic Process)

    Mechanical Properties Optimization of Stereolithographic Process
    Authors:
    Sabina Luisa Campanelli, Politecnico di Bari; Bari Italy
    Antonio Domenico Ludovico, Politecnico di Bari; Bari Italy
    Caterina Casavola, Politecnico di Bari; Bari Italy
    Presented at ICALEO 2005

    Stereolithography (SL) has been the first available system of rapid prototyping processes and it?s actually the most widespread one in the world market.
    The aim of the paper is to propose a statistical analysis to quantitatively evaluate how largely each SL process parameter contributes to the mechanical properties of built parts.
    A specific specimen was designed and built according to ASTM D 638 ? 99. A...

    $28.00

  • ICALEO 2005 Paper #P546 (Laser and Hybrid Welding of High Strength Steel. Application to Pressure Vessel Manufacturing)

    Laser and Hybrid Welding of High Strength Steel. Application to Pressure Vessel Manufacturing
    Authors:
    Coste Frederic, LALP; Arcueil France
    Cyprien Allais, SAIPEM-SA; Montigny le Bretonneux France
    Jean Paul Mas, SAIPEM-SA; Montigny le Bretonneux France
    Remy Fabbro, LALP; Arcueil France
    Presented at ICALEO 2005

    The aim of this study is a comparison of the performances obtained with laser Nd:YAG welding (with cold wire) and hybrid welding (laser + MAG ) on a high strength steel. Due to the thickness to be welded (up to 16 mm), multipasses procedure has been developed for both techniques. Parameters optimisation (groove geometry, wire speed, shielding gas) ...

    $28.00

  • ICALEO 2005 Paper #P544 (Near-field Nano-molding of Gold Thin Films by a Pulsed Laser)

    Near-field Nano-molding of Gold Thin Films by a Pulsed Laser
    Authors:
    Shao Dongbing, The University of Texas at Austin; Austin TX USA
    Shefeng Li, The University of Texas at Austin; San Jose CA USA
    Shaochen Chen, The University of Texas at Austin; Austin TX USA
    Presented at ICALEO 2005

    Near-field enhancement around nano-ridges and nano-tips at 532 nm pulsed laser irradiation is utilized to produce sub-wavelength line or dot pattern on gold thin films deposited on glass substrates. The ridges and tips, which have end radii on the order of 50 nm, were fabricated out of silicon dioxide thin film on silicon by micro-fabrication techniques. A 30 nm chromium thin film was eva...

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  • ICALEO 2005 Paper #P537 (An Exploratory Study on the Capabilities of Lasers to Cut Granite Plates)

    An Exploratory Study on the Capabilities of Lasers to Cut Granite Plates
    Authors:
    Mohamed Boutinguiza, Universidad de Vigo; Vigo Pontevedra Spain
    Ramoto, Universidad de Vigo; Vigo Pontevedra Spain
    Antonio Riveiro, University of Vigo; Vigo Spain
    Fx Quintero, Universidad de Vigo; Vigo Pontevedra Spain
    Fernando Lusqui Universidad de Vigo; Vigo Pontevedra Spain
    Juan Pou, Universidad de Vigo; Vigo Spain
    Mariano Pz-Amor, Universidad de Vigo; Vigo Pontevedra Spain
    Presented at ICALEO 2005

    Granite stones are considered to be one of the best materials for beauty, durability and easy of maintenance in all types of...

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  • ICALEO 2005 Paper #P536 (Mechanical Properties of the Laser Cladded Alloys Ti-6Al-4V and Inconel 718)

    Mechanical Properties of the Laser Cladded Alloys Ti-6Al-4V and Inconel 718
    Authors:
    Ingomar Kelbassa, Lehrstuhl f�r Lasertechnik der RWTH Aachen; Aachen Germany
    Ernst Kreutz, Lehrstuhl fr Lasertechnik der RWTH Aachen; Aachen NRW Germany
    Leping Zhu, Rolls-Royce Deutschland Ltd & CO KG; Oberursel Hessen Germany
    Patrick Albus, Lehrstuhl fr Lasertechnik der RWTH Aachen; Aachen NRW Germany
    Presented at ICALEO 2005

    Titanium and Nickel base alloys are the most commonly used materials in aero engine applications. In a first qualification step for repair and salvage of BLISKs (BLade Integrated DiSKs) by laser cladding the static mechanical properties of the la...

    $28.00

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