• ICALEO 2011 Paper #107 (Numerical Studies of Laser Cutting on an Active Electrode Material for Lithium-Ion Batteries)

    Numerical Studies of Laser Cutting on an Active Electrode Material for Lithium-Ion Batteries
    Authors:
    Dongkyoung Lee, NSF Center for Lasers and Plasmas in Advanced Manufacturing, Department of Mechanical Engineering; Ann Arbor MI USA
    Jyotirmoy Mazumder, NSF Center for Lasers and Plasmas in Advanced Manufacturing, Department of Mechanical Engineering, Department of Materials Science and Engineering, University of Michigan at Ann Arbor; Ann Arbor MI USA
    Presented at ICALEO 2011

    One of the challenges during the lithium-ion battery manufacturing process is the sizing of electrodes with good cut surface quality. If the sizing process provides poor cut surface quality, internal short cir...

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  • ICALEO 2011 Paper #108 (Effect of Linear Cutting Energy on Coloration of Paper in Laser Cutting of Paper Material)

    Effect of Linear Cutting Energy on Coloration of Paper in Laser Cutting of Paper Material
    Authors:
    Alexander Stepanov, Lappeenranta University of Technology, Faculty of Technology, Laser Processing Technology Research Group; Lappeenranta Finland
    Heidi Piili, Lappeenranta University of Technology, Faculty of Technology, Laser Processing Technology Research Group; Lappeenranta Finland
    Esa Saukkonen, Lappeenranta University of Technology, Laboratory of Fiber and Paper Technology, Department of Chemical Engineering; Lappeenranta Finland
    Antti Salminen, Lappeenranta University of Technology, Laser Processing Technology Research Group, Machine Technology Centre Turku Ltd.; Lappee...

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  • ICALEO 2011 Paper #1101 (Laser Diffusion in Metals for Material Modification)

    Laser Diffusion in Metals for Material Modification
    Authors:
    Sen-Yong Chen, Creol, University of Central Florida; Orlando FL USA
    Othmane Benafan, Ampac, Mechanical, Materials, and Aerospace Engineering, University of Central Florida; Orlando FL USA
    Rajan Vaidyanathan, Ampac, Mechanical, Materials, and Aerospace Engineering, University of Central Florida; Orlando FL USA
    Aravinda Kar, Creol, University of Central Florida; Orlando FL USA
    Presented at ICALEO 2011

    Traditionally laser diffusion has been used to modify the metallurgical composition at the surface of materials for improving the surface properties such as the hardness. The electromagnetic properti...

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  • ICALEO 2011 Paper #1103 (Formation of Metal Matrix Composites and Intermetallic Phases on Aluminum AA1200 During Laser Alloying)

    Formation of Metal Matrix Composites and Intermetallic Phases on Aluminum AA1200 During Laser Alloying
    Authors:
    Luyolo Mabhali, CSIR National Laser Centre, University of Witwatersand; Pretoria Republic of South Africa
    Sisa Pityana, CSIR National Laser Centre, Tshwane University of Technology; Pretoria Republic of South Africa
    Natasha Sacks, University of the Witwatersrand; Johannesburg Republic of South Africa
    Presented at ICALEO 2011

    Laser surface alloying of aluminium AA 1200 was performed with a 4.4 kW Rofin Sinar Nd:YAG laser to improve its hardness and wear resistance. Alloying was carried out by depositing Ni, Ti and SiC powders with different weight ratios on th...

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  • ICALEO 2011 Paper #1105 (Formation of Metallic Glass Coatings Via Laser Deposition)

    Formation of Metallic Glass Coatings Via Laser Deposition
    Authors:
    Hongqing Sun, Deptartment of Materials Science and Engineering, The Ohio State University; Columbus OH USA
    Katharine Flores, Deptartment of Materials Science and Engineering, The Ohio State University; Columbus OH USA
    Presented at ICALEO 2011

    Metallic glasses have attracted tremendous attention as structural materials because of their remarkable mechanical and corrosion properties. Laser deposition is a useful technique to create and produce coatings with amorphous or uniquely tailored, non-equilibrium microstructures. In this study, we use the Laser Engineered Net Shaping (LENS) process to deposit pre-alloyed Zr-ba...

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  • ICALEO 2011 Paper #1106 (New Advances for Laser Adhesion Test (LASAT) : From Thick to Thin Coatings)

    New Advances for Laser Adhesion Test (LASAT) : From Thick to Thin Coatings
    Authors:
    Laurent Berthe, Laboratoire Procédés et Inginièrie en Matériaux et Procedes; Paris France
    Michel Arrigoni, Laboratoire Brestois de MéCanique et des Systèmes LBMS (; Brest France
    Michel Boustie, PPRIME-ENSMA Université de Poitiers; Futuroscope France
    Jean-paul Cuq-Lelandais, PPRIME-ENSMA Université de Poitiers; Futuroscope France
    Cédric Broussillou, MINES Paristech, Centre des Matériaux; Evry France
    Grégory Fabre, MINES Paristech, Centre des Matériaux; Evry France
    Michel Jeandin, MINES Paristech, Centre des Matériaux; Evry France

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  • ICALEO 2011 Paper #1201 (Investigations in Remote Cutting of Carbon Fiber Composite Materials)

    Investigations in Remote Cutting of Carbon Fiber Composite Materials
    Authors:
    Annett Klotzbach, Fraunhofer Institute Material and Beam Technology; Dresden Germany
    Pierpaolo Vessio, Politecnico Di Bari; Bari Italy
    Udo Klotzbach, Fraunhofer Institute Material and Beam Technology; Dresden Germany
    Jan Hauptmann, Fraunhofer Institute Material and Beam Technology; Dresden Germany
    Presented at ICALEO 2011

    Carbon fiber reinforced polymers (CFRP) are applied more and more in the aircraft industry as well as the automobile industry. The principal reason is the highly mechanical load capacity along with the low density. Moreover, the corrosion resistance plus the dam...

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  • ICALEO 2011 Paper #1204 (Evaluation of a Novel Process for an In-Situ Sealing of the Cutting Edge During Laser Cutting of Carbon Fiber Reinforced Plastics (CFRP))

    Evaluation of a Novel Process for an In-Situ Sealing of the Cutting Edge During Laser Cutting of Carbon Fiber Reinforced Plastics (CFRP)
    Authors:
    S. Bastick, Laser Zentrum Hannover e.V; -
    P. Jaeschke, Laser Zentrum Hannover e.V.; Hannover Germany
    F. Volkermeyer, Laser Zentrum Hannover e.V; -
    C. Nolke, Laser Zentrum Hannover e.V; -
    F. Fischer, Laser Zentrum Hannover e.V.; Hannover Germany
    U. Stute, Laser Zentrum Hannover e.V.; Hannover Germany
    D. Kracht, Laser Zentrum Hannover e.V.; Hannover Germany
    Presented at ICALEO 2011

    Laser cutting of CFRP-laminates with high-power lasers has a faster cycle time and an improve...

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  • ICALEO 2011 Paper #1301 (Experimental and Numerical Investigation of Laser-Welding of Long Fiber Thermoplastic Composite)

    Experimental and Numerical Investigation of Laser-Welding of Long Fiber Thermoplastic Composite
    Authors:
    Oumarou M. Mamane, Ecole des Mines de Paris, Mines Paristech; Evry France
    Knapp Wolfgang, CLFA Fraunhofer ILT; Paris France
    Clement Sebastien, CLFA Fraunhofer ILT; Paris France
    Renard Jacques, Ecole des Mines de Paris; Evry France
    Jeulin Dominique, Ecole des Mines de Paris, Mines Paristech; Fontainebleau France
    Presented at ICALEO 2011

    As a result of their advantages, i.e. recyclability, weld-ability, environmental compatibility, long fiber thermoplastic composites (LFTPC) are increasingly used in many industrial sectors (automotive, aerona...

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  • ICALEO 2011 Paper #1304 (Pulsed Laser Net-Shaped Welding of Thin Hastelloy C-276)

    Pulsed Laser Net-Shaped Welding of Thin Hastelloy C-276
    Authors:
    Dongjiang Wu, Dalian University of Technology; Dalian Peoples Republic of China
    Guangyi Ma, Dalian University of Technology; Dalian
    Yuquan Guo, Dalian University of Technology; Dalian Peoples Republic of China
    Dongming Guo, Dalian University of Technology; Dalian
    Presented at ICALEO 2011

    Based on the welding request during the coolant pump manufacture in the nuclear industry, the pulsed laser welding of 0.5 mm Hastelloy C-276 was investigated and the weld joint of less than 1mm was obtained. Then, the analysis of weld joints shape and the tensile test were conducted. The results indicated t...

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