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  • PICALO 2006 Paper #705 (Laser Metal Deposition of TiAl Alloys)

    Laser Metal Deposition of TiAl Alloys
    Authors:
    Andreas Weisheit, Fraunhofer ILT; Aachen Germany
    Ingomar Kelbassa, Fraunhofer ILT; Aachen Germany
    Konrad Wissenbach, Fraunhofer ILT; Aachen Germany
    Presented at PICALO 2006

    Laser Metal Deposition (LMD) is a validated process for repairing aero engine parts and complete components. An increase of the specific efficiency of aero engines is achieved by replacement of heavy parts out of Nickel Base Alloys in the HPC (High Pressure Compressor) and LPT (Low Pressure Turbine) sectors by lightweight parts out of TiAl Alloys in operating temperature ranges from 450 up to 700 °C. Due to the use of these upcoming new materials and n...

    $28.00

  • PICALO 2006 Paper #707 (Development of 3D SFF System using a New Selective Dual-Laser Sintering Process)

    Development of 3D SFF System using a New Selective Dual-Laser Sintering Process
    Authors:
    Kyung Hyun Choi, School of Mechanical Engineering at Cheju National University; Cheju -
    Young Jin Ahn, Korea Institute of Machinery & Materials; Daejeon Korea
    Byung Oh Choi, Korea Institute of Machinery & Materials ; Daejeon Korea
    Chung Hwan Kim, Korea Institute of Machinery & Materials ; Daejeon Korea
    Doog-Soo Kim, Korea Institute of Machinery & Materials; Daejeon Korea
    Young Jin Ahn, Korea Institute of Machinery & Materials; Daejeon Korea
    Presented at PICALO 2006

    Selective Laser Sintering (SLS) is currently recognized as a leading process...

    $28.00

  • PICALO 2006 Paper #802 (Non-conventional Laser Beam Geometries for Laser Transformation Hardening of Mild Steels)

    Non-conventional Laser Beam Geometries for Laser Transformation Hardening of Mild Steels
    Authors:
    Shakeel Safdar, The University of Manchester; Manchester Great Britain
    Lin Li, The University of Manchester; Manchester Great Britain
    M.A. Sheikh, The University of Manchester; Manchester Great Britain
    Zhu Liu, The University of Manchester; Manchester Great Britain
    Presented at PICALO 2006

    In transformation hardening of steels it is desirable to have a slow heating rate and a rapid cooling rate to achieve full transformation. To date laser transformation hardening has been carried out using circular or rectangular beams which result in rapid heating and coolin...

    $28.00

  • PICALO 2006 Paper #804 (Micro Hardening of Carbon Steels with an Elliptical Beam of Direct Diode Laser)

    Micro Hardening of Carbon Steels with an Elliptical Beam of Direct Diode Laser
    Authors:
    Junji Morimoto, Kinki University; Higashi-Osaka,Osaka Japan
    Nobuyuki Abe, Osaka University; Ibaraki, Osaka Japan
    Masahiro Tsukamoto, Osaka University; Ibaraki, Osaka Japan
    Shigeru Tanaka, Sanyo Metal Works Co., Ltd.; Miki, Hyogo Japan
    Shinji Fukuhara, Kinki University; Higashi-Osaka, Osaka Japan
    Yutaka Katoh, Kinki University; Higashi-Osaka, Osaka Japan
    Presented at PICALO 2006

    Transformation hardening of metals has been used to increase the hardness and wear resistance of metal surface. Laser heat sources are most convenient tools for the ac...

    $28.00

  • PICALO 2006 Paper #805 (Improving Polymer Surfaces using Laser Dispersion of Ceramic Micro- and Nanoparticles)

    Improving Polymer Surfaces using Laser Dispersion of Ceramic Micro- and Nanoparticles
    Authors:
    Michael Hustedt, Laser Zentrum Hannover E.V.; Hannover Germany
    A. von Busse, Laser Zentrum Hannover e.V.; Hannover Germany
    Stephan Barcikowski, Laser Zentrum Hannover e.V.; Hannover e.V. Germany
    A. Ostendorf, Laser Zentrum Hannover e.V.; Hannover Germany
    H. Haferkamp, Laser Zentrum Hannover e.V.; Hannover Germany
    Presented at PICALO 2006

    Laser dispersion of ceramic micro- and nanoparticles is applied to improve properties of thermoplastic polymer surfaces like abrasion resistance, hardness or antimicrobial effect. Processing polymer workpieces like s...

    $28.00

  • PICALO 2006 Paper #806 (Comparison of the Structures of the Hot-Work Tool Steels Laser Modified Gradient Layers)

    Comparison of the Structures of the Hot-Work Tool Steels Laser Modified Gradient Layers
    Authors:
    Eugeniusz Hajduczek, Institute of Engineering Materials and Biomaterials, Silesian Univ. of Technology; Gliwice Poland
    Leszek Dobrzanski, Institute of Engineering Materials and Biomaterials, Silesian Univ. of Technology; Gliwice Poland
    Miroslaw Bonek, Institute of Engineering Materials and Biomaterials, Silesian Univ. of Technology; Gliwice Poland
    Presented at PICALO 2006

    The objective of the present work was to study the modification of the microstructure of hot-work tool steel X40CrMoV5-1 during the surface modifying by means of laser technology. The aim of such treatment...

    $28.00

  • PICALO 2006 Paper #809 (Surface Laser Alloying with Ceramic Powders of the X40CrMoV5-1 Tool Steel)

    Surface Laser Alloying with Ceramic Powders of the X40CrMoV5-1 Tool Steel
    Authors:
    A. Polok, Silesian University of Technology; Gliwice Poland
    E. Jonda, Silesian University of Technology; Gliwice Poland
    Leszek Dobrzanski, Silesian University of Technology; Gliwice Poland
    Presented at PICALO 2006

    This paper presents the results of laser treatment influence on structure and properties of the surface of the X40CrMoV5-1 hot work tool steel, using the high power diode laser (HPDL) for remelting and alloying. In this work structure changes as well as hardness and roughness are investigated. The goal of this work was also to determine technological conditions for remelting of...

    $28.00

  • PICALO 2006 Paper #810 (Use of Electromagnetic Induced Forces for Active Forming of Coating Geometry)

    Use of Electromagnetic Induced Forces for Active Forming of Coating Geometry
    Authors:
    Johannes Wilden, Technishe Universitat Ilmenau; Neuhaus 1 Germany
    Jean Pierre Bergmann, Technical University Ilmenau; Ilmenau Germany
    Markus Dolles, Technical University Ilmenau; Ilmenau Germany
    Presented at PICALO 2006

    Laser beam cladding represents a technology, which allows high quality coating technique towards other thermal coating processes as for example a good metallic bonding between coating and base material, a fine microstructure and good mechanical properties due to the rapid cooling are reached. Moreover the very small dilution allows to ensure the desired metallurgic pro...

    $28.00

  • PICALO 2006 Paper #901 (High-Speed and Camera Based Temperature Measurement and Control for High Power Laser Scanning Systems)

    High-Speed and Camera Based Temperature Measurement and Control for High Power Laser Scanning Systems
    Authors:
    Berndt Brenner, Fraunhofer Institute for Materials & Beam Technology; Dresden Germany
    Eckhard Beyer, Fraunhofer Institute for Materials & Beam Technology; Dresden Germany
    Marko Seifert, Fraunhofer-Institute Material & Beam Technology; Dresden Germany
    Steffen Bonss, Fraunhofer Material & Beam Technology; Dresden Germany
    Jan Hannweber, Fraunhofer IWS; Dresden Germany
    Presented at PICALO 2006

    Laser beam scanning systems, designed by Fraunhofer IWS Dresden, for heat treatment of metals with high power diode lasers are used in industrial s...

    $28.00

  • PICALO 2006 Paper #902 (In-Process Monitoring During Laser Beam Welding)

    In-Process Monitoring During Laser Beam Welding
    Authors:
    Christoph Deininger, Institut fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Friedrich Dausinger, Institut fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Juergen Mueller-Borhanian, Forschungsgesellschaft fuer Strahlwerkzeuge (FGSW); Stuttgart Germany
    Presented at PICALO 2006

    One reason for the increasing use of laser welding in various industries is the enhancement of economic efficiency compared to competing techniques. To utilize this advantage automated process control strategies are required. One established method of in-process monitoring during laser beam welding is the use of single detectors like photo di...

    $28.00

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