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  • ICALEO 2011 Paper #601 (Laser Penetration Brazing of Dissimilar Alloys)

    Laser Penetration Brazing of Dissimilar Alloys
    Authors:
    Rongshi Xiao, Beijing University of Technology; - Peoples Republic of China
    Peng Dong, Beijing University of Technology; Beijing Peoples Republic of China
    Presented at ICALEO 2011

    The requirements on light-weight structure, structure-function integration and low-cost manufacturing have brought in a rising interest in joining of dissimilar alloys. To join the dissimilar alloys with considerable difference in melting point and metallurgical properties, an approach, namely laser penetration brazing (LPB), has been proposed. The substrate with lower melting point is penetratingly melted by the focused laser beam, and the melted me...

    $28.00

  • ICALEO 2011 Paper #508 (Power Adjustment in Laser Cladding with Scanning Optics)

    Power Adjustment in Laser Cladding with Scanning Optics
    Authors:
    Iikka Pekkarinen, Lappeenranta University of Technology; Lappeenranta Finland
    Veli Kujanpää, Lappeenranta University of Technology; Lappeenranta Finland
    Antti Salminen, Lappeenranta University of Technology; Lappeenranta Finland
    Presented at ICALEO 2011

    Laser cladding with fiber laser using scanning optics is a relatively new way of laser cladding. Modern oscillating scanners enable laser power adjustment according to scanning direction. This is a versatile tool for making process more stable as well as modifying the shape of clad bead. Laser cladding was made using 5kW IPG fiber laser with ILV- oscill...

    $28.00

  • ICALEO 2011 Paper #507 (Advantages of Laser Metal Deposition by using Zoom Optics and MWO (Modular Welding Optics))

    Advantages of Laser Metal Deposition by using Zoom Optics and MWO (Modular Welding Optics)
    Authors:
    Chen Hong, Lehrstuhl fur Lasertechnik, RWTH Aachen University; Aachen Germany
    Bernd Burbaum, Lehrstuhl fur Lasertechnik, RWTH Aachen University; Aachen Germany
    Andres Gasser, Fraunhofer Institut fur Lasertechnik; Aachen Germany
    Ingomar Kelbassa, Lehrstuhl fur Lasertechnik, RWTH Aachen University, Fraunhofer Institut fur Lasertechnik; Aachen Germany
    Presented at ICALEO 2011

    Laser Metal Deposition (LMD) or laser cladding using powder additive materials has been successfully introduced into industry for the use in wear and corrosion applications and as repairs ...

    $28.00

  • ICALEO 2011 Paper #506 (Induction Assisted Laser Cladding for Higher Deposition Rates)

    Induction Assisted Laser Cladding for Higher Deposition Rates
    Authors:
    Aravind Jonnalagadda, Fraunhofer USA Center for Coatings and Laser Applications; Plymouth MI USA
    Siegfried Scharek, Fraunhofer IWS; Dresden Germany
    Craig Bratt, Fraunhofer USA Center for Coatings and Laser Applications; Plymouth MI USA
    David Albert, Fraunhofer USA Center for Coatings and Laser Applications; Plymouth MI USA
    Tobias Weitzer, Fraunhofer USA Center for Coatings and Laser Applications; Plymouth MI USA
    Presented at ICALEO 2011

    Laser cladding process has achieved a wide level of acceptance in recent years from various sectors of industry due to its minimal heat inp...

    $28.00

  • ICALEO 2011 Paper #505 (Development of a Model for Prediction of Material Properties of Laser Cladded Inconel 718 As Related to Porosity in the Bulk Material)

    Development of a Model for Prediction of Material Properties of Laser Cladded Inconel 718 As Related to Porosity in the Bulk Material
    Authors:
    Johannes Witzel, Chair for Laser Technology, RWTH Aachen University; Aachen Germany
    Thomas Schopphoven, Fraunhofer Institute for Laser Technology; Aachen Germany
    Andrés Gasser, Fraunhofer Institute for Laser Technology; Aachen Germany
    Ingomar Kelbassa, Chair for Laser Technology, RWTH Aachen University, Fraunhofer Institute for Laser Technology; Aachen
    Presented at ICALEO 2011


    High value jet engine components such as compressor blades or BLade Integrated DiSKS (BLISKS) are manufactured by time and cost-prohibiti...

    $28.00

  • ICALEO 2011 Paper #504 (Effects of Melt Pool Size on Transient and Residual Stress in DMD Process)

    Effects of Melt Pool Size on Transient and Residual Stress in DMD Process
    Authors:
    Hyung Min Chae, NSF Center for Lasers and Plasmas in Advanced Manufacturing, Department of Mechanical Engineering; Ann Arbor MI USA
    Jyoti Mazumder, NSF Center for Lasers and Plasmas in Advanced Manufacturing, Department of Mechanical Engineering, University of Michigan at Ann Arbor; -
    Presented at ICALEO 2011

    A self-consistent transient 3D model is developed to predict thermal behavior in Direct Metal Deposition (DMD) process, and the obtained results from the numerical model are used to predict transient and residual stresses with a commercial software package ABAQUS. Temperature field and stress f...

    $28.00

  • ICALEO 2011 Paper #503 (Potential Application and Certification of Laser Cladding Technology for Repair of Ageing Aircraft Components)

    Potential Application and Certification of Laser Cladding Technology for Repair of Ageing Aircraft Components
    Authors:
    Qianchu Liu, Defence Science and Technology Organisation (DSTO), Defence Materials Technology Centre (DMTC); Fishermans Bend Australia
    Milan Brandt, RMIT University, Defence Materials Technology Centre (DMTC); Bundoora Australia
    Madabhushi Janardhana, Aircraft Structural Integrity Section, DGTA, Royal Australian Air Force (RAAF); Laverton Australia
    Ryan Cottam, Swinburne University of Technology, Defence Materials Technology Centre (DMTC); Melbourne Australia
    Neil Matthews, Rosebank Engineering Pty Ltd., Defence Materials Technology Centre (DMT...

    $28.00

  • ICALEO 2011 Paper #502 (Additive Manufacturing of a Blade-Integrated Disk by Laser Metal Deposition )

    Additive Manufacturing of a Blade-Integrated Disk by Laser Metal Deposition
    Authors:
    Johannes Witzel, RWTH Aachen University; Aachen Germany
    Johannes Schrage, RWTH Aachen University; Aachen Germany
    Andres Gasser, Fraunhofer Institute for Laser Technology ILT; Aachen Germany
    Ingomar Kelbassa, Fraunhofer Institute for Laser Technology ILT, RWTH Aachen University; Aachen Germany
    Presented at ICALEO 2011

    Currently, high value Class 1 jet engine components such as BLISKs (Blade-Integrated diSKs) are manufactured by time and cost-prohibitive conventional techniques, such as five-axis milling, linear friction welding and electro chemical machining. The investiga...

    $28.00

  • ICALEO 2011 Paper #501 (Laser Cladding for Railway Repair and Preventative Maintenance)

    Laser Cladding for Railway Repair and Preventative Maintenance
    Authors:
    Adam Clare, University of Nottingham; Nottingham Great Britain
    Olusola Oyelola, University of Nottingham; Nottingham Great Britain
    Janet Folkes, University of Nottingham; Nottingham Great Britain
    Peter Farayibi, University of Nottingham; Nottingham Great Britain
    Presented at ICALEO 2011

    Rolling contact fatigue (RCF), amongst other mechanisms of wear, between railway track and train wheel ensures that periodic replacements of worn track and other key components such as switches must be undertaken. The cost associated with repairing/replacing track is significant. This places a financial...

    $28.00

  • ICALEO 2011 Paper #409 (Focal Spot Monitoring of a High Power Fiber Laser)

    Focal Spot Monitoring of a High Power Fiber Laser
    Authors:
    Michael Scaggs, Neoteric Concepts, LLC; Weston FL USA
    Gilbert Haas, Haas Laser Technologis, Inc.; Flanders NJ USA
    Presented at ICALEO 2011

    A new laser focal spot analyzer system has been developed that permits the real time measurement of a high power fiber laser in excess of tens of kilowatts which can provide the lasers spatial profile, circularity, centroid, astigmatism and M-squared values using all the optics used in the process application, including the focus lens and cover glass. This novel beam analyzer system is both compact, real time and has no moving parts by incorporating an all passive optical design, the...

    $28.00

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