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  • ICALEO 2009 Paper #1304 (The Significance of Melt Pool Variables in Laser Direct Deposition of Functionally Graded Aerospace Alloys)

    The Significance of Melt Pool Variables in Laser Direct Deposition of Functionally Graded Aerospace Alloys
    Authors:
    Kamran Shah, The University of Manchester; Manchester Great Britain
    Ahmad Salman, -; -
    Andrew Pinkerton, The University of Manchester; Manchester Great Britain
    Lin Li, The University of Manchester; Manchester Great Britain
    Presented at ICALEO 2009

    Laser Direct Metal Deposition (LDMD) has developed for diverse applications, from high precision manufacturing to repair. Although functional grading of surface coatings is well established, research into larger scale, intermetallic grading as an alternative to welding is ongoing. This paper consid...

    $28.00

  • ICALEO 2009 Paper #1303 (The Exploration on Laser Vertical Sintering with Magnetic Field)

    The Exploration on Laser Vertical Sintering with Magnetic Field
    Authors:
    Xiaogang Li, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Jimin Chen, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Furong Liu, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Penfei Lv, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Presented at ICALEO 2009

    Selective Laser Sintering (SLS) is a fast developing technology of Rapid Manufacturing (RM). In so...

    $28.00

  • ICALEO 2009 Paper #1302 (Applied Spectroscopy In Situ during Direct Laser Deposition Process)

    Applied Spectroscopy In Situ during Direct Laser Deposition Process
    Authors:
    Konrad Bartkowiak, Fraunhofer IWS; Dresden Germany
    Paul Denney, Presenter not author - CCAT; - USA
    Presented at ICALEO 2009

    The Direct Laser Deposition (DLD) method is becoming more popular and has recently been successfully applied in commercial workshops. It is mainly used for reconditioning of worn and damages parts and eliminating them from scrap. However, DLD technique shows great potential for direct manufacture, where high accuracy, low distortion and small HAZ effects are required. Especially the high accuracy makes a challenge for DLD process control, which is permanently developing and updated fr...

    $28.00

  • ICALEO 2009 Paper #1301 (On the Temperature Distributions and Thermal Stresses Induced in Laser Solid Freeform Fabrication of Multi-material Structures)

    On the Temperature Distributions and Thermal Stresses Induced in Laser Solid Freeform Fabrication of Multi-material Structures
    Authors:
    Masoud Alimardani, University of Waterloo; Waterloo ON Canada
    Mehrdad Iravani Tabrizipour, University of Waterloo; Waterloo ON Canada
    Ehsan Toyserkani, University of Waterloo; Waterloo ON Canada
    Jan P. Huissoon, University of Waterloo; Waterloo ON Canada
    Presented at ICALEO 2009

    Multi-material structures have shown a wide range of applications in various advanced technologies in which diverse material properties are required in order to enhance the structural properties and functionalities. Laser solid freeform fabrication...

    $28.00

  • ICALEO 2009 Paper #1205 (Direct Metal Deposition Melt Pool Temperature Distribution Control Through Novel Holographic Beam Shaping, Allowing Improved Mechanical and Corrosion Properties)

    Direct Metal Deposition Melt Pool Temperature Distribution Control Through Novel Holographic Beam Shaping, Allowing Improved Mechanical and Corrosion Properties
    Authors:
    Matthew Gibson, Loughborough University; Loughborough Great Britain
    John Tyrer, Loughborough University; Loughborough Great Britain
    Rebecca Higginson, Loughbrough University; Loughborugh Great Britain
    Presented at ICALEO 2009

    The use of a laser beam to fuse a metal addition to the surface of a component for repair or direct manufacture has been adopted my many industries. However there are still issues to be overcome. Due to the high temperatures involved in the process and the complex materials utilis...

    $28.00

  • ICALEO 2009 Paper #1204 (Possibilities for Online Process Monitoring at Laser Brazing Based on Two Dimensional Detector Systems)

    Possibilities for Online Process Monitoring at Laser Brazing Based on Two Dimensional Detector Systems
    Authors:
    Alexander Grimm, blz Bayerisches Laserzentrum GmbH; Erlangen Germany
    Michael Schmidt, blz Bayerisches Laserzentrum GmbH; Erlangen Germany
    Presented at ICALEO 2009

    Laser brazed seams are nowadays well established in automotive industry for joints which must fulfill high quality standards. Joints located in direct visible areas of the car body, like the connection between roof and side-panel or the trunk-lit, must be manufactured without any failures like pores or spilling. To achieve this goal, system technology is subject to high accuracy requests on the one hand; on the ...

    $28.00

  • ICALEO 2009 Paper #1203 (Development of a Real Time Monitoring and Adaptive Control System for Laser Flame Cutting)

    Development of a Real Time Monitoring and Adaptive Control System for Laser Flame Cutting
    Authors:
    J.P. Kruth, -; -
    Joost Duflou, K.U.Leuven; Heverlee - Leuven Belgium
    Ehsan Fallahi, K.U. Leuven; Heverlee Belgium
    J. De Keuster, -; -
    Presented at ICALEO 2009

    A real-time, adaptive control and optimization system for laser flame cutting of thick plates of mild steel has been developed. The proposed system consists of two subsystems: a process monitoring system and a control and optimization system. The first subsystem aims at the on-line observation of the process status and corresponding cut quality. Since the different cut quality characteristics cannot ...

    $28.00

  • ICALEO 2009 Paper #1202 (Novel Beam Analysis Applications and Hardware)

    Novel Beam Analysis Applications and Hardware
    Authors:
    Thomas Kugler, Laser Mechanisms, Inc; Farmington Hills MI USA
    Presented at ICALEO 2009

    Off-the-shelf beam analysis systems work very well in investigating and measuring collimated laser beam spatial profiles, focus spot spatial profiles, and the waist caustic. These standard systems have some shortcomings, however, related to viewing very small focus spot sizes at any wavelength, but especially at 10.6um. Another problem that these beam analysis systems can solve is alignment of optics and other components that can be damaged by high power beams if improperly set-up. This presentation will investigate the use of novel but simple imaging ...

    $28.00

  • ICALEO 2009 Paper #1201 (New Low-cost CO2 Beam Profiler Eliminates Need for Acrylic Mode Burns)

    New Low-cost CO2 Beam Profiler Eliminates Need for Acrylic Mode Burns
    Authors:
    Lawrence Green, Ophir-Spiricon, Inc; Logan UT USA
    Presented at ICALEO 2009

    Acrylic Mode Burns have historically been universally used because they are the lowest cost alternative to the budget-minded end user. This method, however has been cited for producing dangerous, cancer-causing airborne materials, and is not a real time technology. On the other hand, Real-time beam profiling has been historically too expensive for the average user to acquire. We discuss a new technology that enables the design of a new low-cost real time CO2 high power beam profiler that is within reach of almost all end-users. This design do...

    $28.00

  • ICALEO 2009 Paper #1105 (Overcoming Limits in Processing of Advanced Material Geometries)

    Overcoming Limits in Processing of Advanced Material Geometries
    Authors:
    Henk Kettelarij, Philips Applied Technologies; Eindhoven Netherlands
    Presented at ICALEO 2009

    Standard laser processing technologies available on industrial scale often cannot fulfill specific requirements for processing advanced material geometries. A number of dedicated hardware and software solutions to overcome these limitations have been developed within Philips Applied Technologies. In this presentation some of these developments will be discussed. Maximizing processing speed for accurate micromachining of funnel shaped holes requires in depth knowledge of scanner dynamics. By carefully designing scanner tracks with...

    $28.00

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