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  • ICALEO 2009 Paper #101 (The Effects of Surface Topography and Lack of Fusion on the Fatigue Strength of Laser Hybrid Welds)

    The Effects of Surface Topography and Lack of Fusion on the Fatigue Strength of Laser Hybrid Welds
    Authors:
    Md. Minhaj Alam, Lulea University of Technology; Lule� Sweden
    Zuheir Barsoum, Royal Institute of Technology (KTH); Stockholm Sweden
    Per Jonsen, Lulea University of Technology; Lulea Sweden
    Hans Ake Haggblad, Lulea University of Technology; Lulea Sweden
    Alexander Kaplan, Lulea University of Technology; Lulea Sweden
    Presented at ICALEO 2009

    The geometrical aspects of laser hybrid welding before, during and after the process differ from autonomous laser welding and from arc welding. When studying the fatigue behaviour of laser hybrid weld...

    $28.00

  • ICALEO 2009 Paper #1006 (Phase Evolution in Laser Solid Formed Compositionally Graded Ti60-Ti2AlNb Alloys)

    Phase Evolution in Laser Solid Formed Compositionally Graded Ti60-Ti2AlNb Alloys
    Authors:
    Xin Lin, Northwestern Polytechnical University; Xi'an Peoples Republic of China
    Mocong Yang, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University; Xi\'An Peoples Republic of China
    Xiaojing Xu, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University; Xi\'An Peoples Republic of China
    Haiou Yang, -; -
    Jing Chen, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University; Xi\'An Peoples Republic of China
    Weidong Huang, State Key Laboratory of Solidification Process...

    $28.00

  • ICALEO 2009 Paper #1005 (A Method and Model for Deposition of TI-6Al-4V with Controlled Porosity)

    A Method and Model for Deposition of TI-6Al-4V with Controlled Porosity
    Authors:
    Muhammad Naveed Ahsan, Manufacturing and Laser Processing Group,The University of Manchester; Manchester Great Britain
    Andrew J Pinkerton, Manufacturing and Laser Processing Group,The University of Manchester; Manchester Great Britain
    Presented at ICALEO 2009

    The use of porous engineered materials is gaining popularity in biomedical implant manufacture due to its capability to promote increased osseointegration and cell proliferation. A method to produce such parts is laser direct metal deposition (LDMD) - a rapid manufacturing technique that has much flexibility. In this work, a 1.5 kW high power diod...

    $28.00

  • ICALEO 2009 Paper #1003 (Laser Deposition of TI6Al4V-316L Composition Gradient Structure: Challenge on Intermetallics)

    Laser Deposition of TI6Al4V-316L Composition Gradient Structure: Challenge on Intermetallics
    Authors:
    Changsheng Dong, Tsinghua University, Dept of Mechanical Engineering; Beijing Peoples Republic of China
    Minlin Zhong, Tsinghua University; Beijing Peoples Republic of China
    Wenjin Liu, -; -
    Minxing Ma, -; -
    Hongjun Zhang, -; -
    Presented at ICALEO 2009

    Functional gradient materials (FGM), with their composition gradually varied in different positions, have attracted much attention for research and development during the years. Normally there are two types of functional gradient materials: one without the formation of intermetallics which is ...

    $28.00

  • ICALEO 2009 Paper #1002 (Direct Fabrication of a Ti-47Al-2Cr-2Nb Alloy by Selective Laser Melting and Direct Metal Deposition Processes)

    Direct Fabrication of a Ti-47Al-2Cr-2Nb Alloy by Selective Laser Melting and Direct Metal Deposition Processes
    Authors:
    Christophe Colin, Centre Des Materiaux, Mines Paris, Paristech; Evry France
    Ludovic Thivillon, Enise; Saint-Etienne France
    Marc Thomas, Onera; Chatillon France
    PASCAL AUBRY, CEA; Gif-sur-Yvette France
    Patrice Peyre, Arts Et Miers Paristech; Paris France
    Philippe Bertrand, Enise; Saint-Etienne France
    Thierry Malot, Arts Et Miers Paristech; Paris France
    Thomas Vilaro, Centre Des Materiaux, Mines Paristech; Evry France
    Vera Kottman-Rexerodt, Onera; Chatillon France
    Vincent Ji,...

    $28.00

  • ICALEO 2009 Paper #1001 (New Developments in 3D Laser Additive Manufacturing)

    New Developments in 3D Laser Additive Manufacturing
    Authors:
    James Sears, South Dakota School of Mines & Technology; Rapid City SD USA
    Vojislav Kalanovic, Control Systems Technology; Rapid City SD USA
    Jovan Mirilovic, -; -
    Presented at ICALEO 2009

    Laser Additive Manufacturing (LAM) titanium powder consolidation has been practiced for a number of years. The LAM technology holds great promise for repair, direct fabrication and modification of Titanium Alloy components, This technology can also provide for surface modification through alloying and physical texturing. The LAM technology has been applied to the development of a number of aerospace applications through its ...

    $28.00

  • ICALEO 2008 Paper #P155 (Laser Assisted Machining of Aluminum Composite Reinforced by Sic Particle)

    Laser Assisted Machining of Aluminum Composite Reinforced by Sic Particle
    Authors:
    D. Przestacki, Poznan Univesity of Technology; Poznan Poland
    M. Kawalec, Poznan Univesity of Technology; Poznan Poland
    K. Bartkowiak, Fraunhofer IWS; Dresden Germany
    M. Jankowiak, Poznan Univesity of Technology; Poznan Poland
    Steffen Mueller, Fraunhofer Usa; Plymouth MI USA
    Presented at ICALEO 2008

    Metal matrix composites (MMCs) have many industry applications in different sectors, e.g.: automobile and aerospace. However, due to hard ceramic reinforcing components in MMCs, difficulties can arise when machining via conventional manufacturing processes. Heavy tool...

    $28.00

  • ICALEO 2008 Paper #P154 (Real-time Spectrographic Analysis of the Melt Pool During Direct Laser Deposition Process)

    Real-time Spectrographic Analysis of the Melt Pool During Direct Laser Deposition Process
    Authors:
    Konrad Bartkowiak, Fraunhofer IWS; Dresden Germany
    Steffen Mueller, Fraunhofer Usa; Plymouth MI USA
    Presented at ICALEO 2008

    Direct Laser Deposition (DLD) method is relatively new technology which has significantly matured in last few years. Although this technique has been well know from the mid 80s, process control is still under investigation. The major application of DLD is in the repair or modification of existing parts or the manufacture of completely new 2-D or 3-D parts. This technology is also commonly used for the addition of special surface layer qualities on a base mate...

    $28.00

  • ICALEO 2008 Paper #P153 (Heterogeneous Surface Layer Modification by High Concentrated Energy Source for Tribological Applications)

    Heterogeneous Surface Layer Modification by High Concentrated Energy Source for Tribological Applications
    Authors:
    Norbert Radek, Technical University of Kielce; Kielce Poland
    Konrad Bartkowiak, Fraunhofer IWS; Dresden Germany
    Steffen Mueller, Fraunhofer Usa; Plymouth MI USA
    Presented at ICALEO 2008

    Numerous research centres all over the world are involved in the study of laser surface modification. By controlling laser parameters such as the amount of power, scanning speed, and pulse duration, it is possible to form coatings with different surface properties, including surface geometry, microhardness, stress states or resistance to wear. One of the cheapest and commo...

    $28.00

  • ICALEO 2008 Paper #P150 (Femtosecond Laser Micro-Patterning of Diamond Films for Device Fabrication)

    Femtosecond Laser Micro-Patterning of Diamond Films for Device Fabrication
    Authors:
    Matthew Parrish, University of Tennessee Space Institute; USA
    Yelena White, University of Tennessee Space Institute; Tullahoma TN USA
    Lloyd Davis, University of Tennessee Space Institute; Tullahoma TN USA
    Zbigniew Sikorski, University of Tennessee Space Institute; Tullahoma TN USA
    Richard Thompson, University of Tennessee Space Institute; Tullahoma TN USA
    William Hofmeister, University of Tennessee Space Institute; Tullahoma TN USA
    Presented at ICALEO 2008

    Diamond has a tremendous potential for device applications due to its unique superlative ma...

    $28.00

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