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  • ICALEO 2010 Paper #1805 (Properties of Welded Joint for Narrow Gap Laser Welding of Austenitic Stainless Steels)

    Properties of Welded Joint for Narrow Gap Laser Welding of Austenitic Stainless Steels
    Authors:
    Xudong Zhang, Materials Research Laboratory, Hitachi Ltd.; Hitachi, Ibaraki Japan
    Eiji Ashida, Materials Research Laboratory, Hitachi, Ltd.; Hitachi, Ibaraki Japan
    Shoh Tarasawa, Hitachi-Ge Nuclear Energy, Ltd.; Hitachi, Ibaraki Japan
    Presented at ICALEO 2010

    Thick-section austenitic stainless steels are widely used in components and structures for nuclear power plant. Laser welding is being considered as a high-efficiency method to instead of arc welding for some components, in order to improve production efficiency and reduce residual stresses of the heat-affected zone. In...

    $28.00

  • ICALEO 2010 Paper #1804 (New Advanced Energy Efficient Cooling Solutions for Lasers)

    New Advanced Energy Efficient Cooling Solutions for Lasers
    Authors:
    Wolfgang Todt, RIEDEL USA; Westland MI USA
    Presented at ICALEO 2010

    The presentation covers the intelligent use of state of the art technology to reduce the energy consumption of chillers to efficiently cool lasers as well as reduce CO2 emissions without increasing the cost of the chiller.
    The overview gives also easy to understand examples for the audience without getting to technical.
    It summarizes the gains and savings in real dollars.

    $28.00

  • ICALEO 2010 Paper #1803 (Prevention of Porosity in Deep Partial Penetration Laser and Hybrid Welding with Minimum Solute Oxygen in the Weld Metal)

    Prevention of Porosity in Deep Partial Penetration Laser and Hybrid Welding with Minimum Solute Oxygen in the Weld Metal
    Authors:
    Susumu Tsukamoto, National Institute for Materials Science; Tsukuba, Ibaraki Japan
    Lin Zhao, National Institute for Materials Science; Tsukuba, Ibaraki Japan
    Goro Arakane, National Institute for Materials Science; Tsukuba, Ibaraki Japan
    Tomohiro Sugino, IHI Corp.; Yokohama Japan
    Koichi Yasuda, Jfe Steel Corp.; Chiba Japan
    Presented at ICALEO 2010

    Formation of some weld defects is one of the serious problems in laser and laser/arc hybrid welding of heavy section steel plates. Especially in the partial penetration we...

    $28.00

  • ICALEO 2010 Paper #1709 (Laser-Based Production of Thin Wear-Protection Films)

    Laser-Based Production of Thin Wear-Protection Films
    Authors:
    Dominik Hawelka, Fraunhofer ILT; Aachen Germany
    Presented at ICALEO 2010

    Wear protection coatings are widely applied in the automotive industry to improve tribo-mechanical properties of highly stressed engine components. Today these coatings are produced by physical vapor deposition (PVD) which is a very time consuming production-step. In contrast, sol-gel coating processes have a high potential to be an energy- and resource-efficient technique to produce functional coatings as they do not need expensive vacuum technology or any other elaborate equipment. The major challenge of this process is to adapt a thermal post treatment to tur...

    $28.00

  • ICALEO 2010 Paper #1706 (Interfacial Structure Of Nano WC Powder Cold Planting Via Laser Shock Peening Onto Light Metal Surfaces)

    Interfacial Structure Of Nano WC Powder Cold Planting Via Laser Shock Peening Onto Light Metal Surfaces
    Authors:
    Liang Lv, Key Laboratory for Advanced Materials Processing Technology Ministry of Education. Department of Mechanical Engineering, Tsinghua University; Beijing Peoples Republic of China
    Minlin Zhong, Key Laboratory for Advanced Materials Processing Technology Ministry of Education. Department of Mechanical Engineering, Tsinghua University; Beijing Peoples Republic of China
    Changsheng Dong, Key Laboratory for Advanced Materials Processing Technology Ministry of Education. Department of Mechanical Engineering, Tsinghua University; Beijing Peoples Republic of China
    ...

    $28.00

  • ICALEO 2010 Paper #1705 (Laser Polishing of Metallic Freeform Surfaces)

    Laser Polishing of Metallic Freeform Surfaces
    Authors:
    Roman Ostholt, Rwth Aachen University; Aachen Germany
    Edgar Willenborg, Fraunhofer Ilt; Aachen Germany
    Konrad Wissenbach, Fraunhofer Ilt; Aachen Germany
    Presented at ICALEO 2010

    Laser polishing represents a new surface finishing technique for sculptured work pieces which offers shorter process times and lower costs in comparison to the predominantly used manual polishing. The technique is based on remelting a thin surface layer by laser radiation. The surface tension of the melt pool induces a reallocation of material from the peaks to the valleys, thus creating a polished surface.
    When freeform surfaces are poli...

    $28.00

  • ICALEO 2010 Paper #1703 (Effect of Laser Surface Melting on Corrosion Behavior of Aged Duplex Stainless Steel)

    Effect of Laser Surface Melting on Corrosion Behavior of Aged Duplex Stainless Steel
    Authors:
    K.H. Lo, Department of Electromechanical Engineering, University of Macau; Macau Peoples Republic of China
    W.K. Chan, Department of Electromechanical Engineering, University of Macau; Macau Peoples Republic of China
    C.T. Kwok, Department of Electromechanical Engineering, University of Macau; Macau Peoples Republic of China
    Presented at ICALEO 2010

    Duplex stainless steels (DSSs) have been widely used as the structural components for chemical industries, oil and gas production and offshore applications due to its outstanding corrosion resistance in chloride-containing environmen...

    $28.00

  • ICALEO 2010 Paper #1702 (Local Laser Heat Treatment of Stainless Steel at Very High Speed)

    Local Laser Heat Treatment of Stainless Steel at Very High Speed
    Authors:
    Steffen Bonss, Fraunhofer IWS; Dresden Germany
    Jan Hannweber, Fraunhofer Iws; Dresden Germany
    Udo Karsunke, Fraunhofer Iws; Dresden Germany
    Stefan Kuehn, Fraunhofer Iws; Dresden Germany
    Marko Seifert, Fraunhofer Iws; Dresden Germany
    Eckhard Beyer, TU Dresden, Institute fuer Oberflaechen-und Fertigungstechnik Lot; Dresden Germany
    Presented at ICALEO 2010

    Laser beam heat treatment has been established during the last years as a complementary technology for local hardening treatment tasks at tool manufacturing and automotive industry. Especially new high power ...

    $28.00

  • ICALEO 2010 Paper #1701 (A Thermo-Kinetic Phase Transformation Model for Multi-Pass Laser Heat Treatment by using High Power Direct Diode Laser)

    A Thermo-Kinetic Phase Transformation Model for Multi-Pass Laser Heat Treatment by using High Power Direct Diode Laser
    Authors:
    Soundarapandian Santhanakrishnan, Research Center for Advanced Manufacturing, Southern Methodist University; Dallas TX USA
    Fanrong Kong, Research Center for Advanced Manufacturing, Southern Methodist University; Dallas TX USA
    Radovan Kovacevic, Research Center for Advanced Manufacturing, Southern Methodist University; Dallas TX USA
    Presented at ICALEO 2010

    Nowadays, high-power direct diode laser (HPDDL) is successfully used in industry as a versatile tool for locally heat treating the metallic components. Laser phase transformation hardening (...

    $28.00

  • ICALEO 2010 Paper #1605 (New Perspectives for the Absorber Free Laser Welding of Thermoplastics)

    New Perspectives for the Absorber Free Laser Welding of Thermoplastics
    Authors:
    Andrei Boglea, Fraunhofer Institute for Laser Technology; Aachen Germany
    Andreas Röesner, Fraunhofer Institute for Laser Technology; Aachen Germany
    Alexander Olowinsky, Fraunhofer Institute for Laser Technology; Aachen Germany
    Presented at ICALEO 2010

    Polymeric products play an important role in almost every facet of our lives and constitute a wide variety of products starting from everyday products up to high tech products in the automotive, electronics, aerospace, medical and other sectors. The possibility to fabricate complex shapes in various sizes provides design flexibility and high ...

    $28.00

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