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  • ICALEO 2009 Paper #P106 (Microstructuring of Various Materials using Femtosecond Laser Pulses)

    Microstructuring of Various Materials using Femtosecond Laser Pulses
    Authors:
    Manuel Pfeiffer, University of Applied Sciences Mittweida; Mittweida Germany
    Andy Engel, University of Applied Sciences Mittweida; Mittweida Germany
    Guenter Reie, University of Applied Sciences Mittweida; Mittweida Germany
    Hagen Gruettner, University of Applied Sciences Mittweida; Mittweida Germany
    Steffen Weimantel, University of Applied Sciences Mittweida; Mittweida Germany
    Presented at ICALEO 2009

    New results on three-dimensional micro-structuring of quartz glass as well as tungsten carbide hard metal, copper, brass and titanium using femtosecond laser pulses ...

    $28.00

  • ICALEO 2009 Paper #P104 (Fibre Laser Welding of ZN-Coated Steel on AL Alloy For Next Generation Lightweight Vehicles)

    Fibre Laser Welding of ZN-Coated Steel on AL Alloy For Next Generation Lightweight Vehicles
    Authors:
    Hui-chi Chen, The University of Manchester; Manchester Great Britain
    Andrew Pinkerton, The University of Manchester; Manchester Great Britain
    Lin Li, The University of Manchester; Manchester Great Britain
    Anil Mistry, Jaguar Cars Limited; Coventry Great Britain
    Presented at ICALEO 2009

    According to new environmental policies announced by European Union, car manufactures have been asked to avoid unnecessary waste of energy and reduce pollution levels. Replacing steel with lightweight materials on car bodies is considered as one method to lighten the vehicle ...

    $28.00

  • ICALEO 2009 Paper #P103 (Evaluation of Laser Weld Monitoring - A Case Study)

    Evaluation of Laser Weld Monitoring - A Case Study
    Authors:
    Ingemar Eriksson, Lulea Univ of Techn; Lulea Sweden
    Alexander Kaplan, Lulea Univ of Techn; Lulea Sweden
    Presented at ICALEO 2009

    On-line monitoring of the quality of laser welding is of interest for many industrial applications. For photodiodes the monitoring strategy usually aims at observing whether the signal exceeds a threshold. This well known technique is mainly based on empirical values, thus the monitoring has to be trained for each application. For improved understanding of the context between the physics of a welding defect generated and the resulting voltage signal, the experiments were observed by high speed im...

    $28.00

  • ICALEO 2009 Paper #P102 (The Effect of Moisture Content and Tracheids Orientation in Fibre Laser Cutting of Dry and Wet Pine Wood)

    The Effect of Moisture Content and Tracheids Orientation in Fibre Laser Cutting of Dry and Wet Pine Wood
    Authors:
    Juan Carlos Hernandez-Castaneda, The University of Manchester; Manchester Great Britain
    Huseyin Kursad Sezer, The University of Manchester; Manchester Great Britain
    Lin Li, The University of Manchester; Manchester Great Britain
    Presented at ICALEO 2009

    This paper reports a statistical analysis of the multiple-pass laser cutting of dry and wet pine wood with a single mode Ytterbium fibre laser. The laser wood-cutting is a multi-factor process requiring parameter optimization to deliver good quality cuts at optimum process efficiency. This study employs a Des...

    $28.00

  • ICALEO 2009 Paper #P101 (Fibre Laser Net-Shape Welding of Steels)

    Fibre Laser Net-Shape Welding of Steels
    Authors:
    Ramadan Eghlio, University of Manchester; Manchester Great Britain
    Andrew Pinkerton, University of Manchester; Manchester Great Britain
    Lin Li, University of Manchester; Manchester Great Britain
    Presented at ICALEO 2009

    Welding had traditionally faced two major challenges obtaining a flawless bond (high internal weld quality) and obtaining a smooth surface transition (high external weld quality). While the former has been, and is being, well researched, the latter has received much less attention, despite the fact that post-weld surface finishing treatments such as machining and grinding can be costly or sometimes i...

    $28.00

  • ICALEO 2009 Paper #N307 (Large Area Flexible Electronics Fabrication by Selective Laser Sintering of Nanoparticles with a Scanning Mirror)

    Large Area Flexible Electronics Fabrication by Selective Laser Sintering of Nanoparticles with a Scanning Mirror
    Authors:
    Seung H. Ko, University of California - Berkeley; Berkeley CA USA
    Heng Pan, University of California; Berkeley CA USA
    Nico Hotz, -; -
    Costas Grigoropoulos, University of California; Berkeley CA USA
    Presented at ICALEO 2009

    The development of electric circuit fabrication on heat and chemically sensitive polymer substrates has attracted significant interest as a pathway to low-cost or large-area electronics. We demonstrated the large area, direct patterning of microelectronic structures by selective laser sintering of nanoparticles witho...

    $28.00

  • ICALEO 2009 Paper #N306 (Experimental and Theoretical Study on the Synthesis of Nanofibers by Laser Spinning)

    Experimental and Theoretical Study on the Synthesis of Nanofibers by Laser Spinning
    Authors:
    Felix Quintero, Universidade De Vigo; Vigo Spain
    Oliver Dieste, Universidade De Vigo; Vigo Spain
    Juan Pou, Universidade De Vigo; Vigo Spain
    Fernando Lusquinos, Universidade De Vigo; Vigo Spain
    Antonio Riveiro, Universidade De Vigo; Vigo Spain
    Presented at ICALEO 2009

    Laser Spinning is a new technique to produce ultralong amorphous ceramic nanofibers with tailored chemical compositions. In this method, a high power laser is employed to melt a small volume of the precursor material at high temperatures. At the same time, a supersonic gas jet is injected ...

    $28.00

  • ICALEO 2009 Paper #N305 (Laser Precision-Based Graphene Growth Processes)

    Laser Precision-Based Graphene Growth Processes
    Authors:
    Sarah Bertke, Mound Laser and Photonics Center; Miamisburg OH USA
    David Tomich, Air Force Research Laboratory; Wright Patterson Afb OH USA
    John Hoelscher, Air Force Research Laboratory; Wright Patterson Afb OH USA
    Ronald Jacobsen, Mound Laser & Photonics Center; Miamisburg OH USA
    Presented at ICALEO 2009

    We report studies of laser methods for fabricating large-area, high-quality graphene. Common methods for graphene growth (PLD, MBE, thermal decomposition of SiC) apply energy evenly across an entire substrate, leading to simultaneous nucleation of graphene crystals in many locations and thus poor con...

    $28.00

  • ICALEO 2009 Paper #N303 (Laser-Assisted Selective Removal of Metallic Carbon Nanotubes)

    Laser-Assisted Selective Removal of Metallic Carbon Nanotubes
    Authors:
    M. Mahjouri-Samani, University of Nebraska-Lincoln; Lincoln NE USA
    Y.S. Zhou, University of Nebraska-Lincoln; Lincoln NE USA
    W. Xiong, University of Nebraska-Lincoln; Lincoln NE USA
    Y. Gao, University of Nebraska-Lincoln; Lincoln NE USA
    M. Mitchell, University of Nebraska-Lincoln; Lincoln NE USA
    Y.F. Lu, University of Nebraska-Lincoln; Lincoln NE USA
    Presented at ICALEO 2009

    Semiconductive single-walled carbon nanotubes (S-SWNTs) have been ideal building blocks for future nanoelectronic devices. However, current techniques of carbon nanotube (CNT) growth yield ...

    $28.00

  • ICALEO 2009 Paper #N302 (Simultaneous Growth of Single-Walled Carbon-Nanotube Bridge Structures Using Optical Near-field Effects)

    Simultaneous Growth of Single-Walled Carbon-Nanotube Bridge Structures Using Optical Near-field Effects
    Authors:
    W. Xiong, University of Nebraska-Lincoln; Lincoln NE USA
    Y.S. Zhou, University of Nebraska-Lincoln; Lincoln NE USA
    M. Mahjouri-Samani, University of Nebraska-Lincoln; Lincoln NE USA
    Y. Gao, University of Nebraska-Lincoln; Lincoln NE USA
    W.Q. Yang, University of Nebraska-Lincoln; Lincoln NE USA
    K.J. Yi, University of Nebraska-Lincoln; Lincoln NE USA
    X.N. He, University of Nebraska-Lincoln; Lincoln NE USA
    M. Mitchell, University of Nebraska-Lincoln; Lincoln NE USA
    Y.F. Lu, University of Nebraska - Lin...

    $28.00

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