• ICALEO 2010 Paper #1201 (Welding of Titanium, Steel and Aluminum - Lithium Alloy by the Cw С2-Laser Beam)

    Welding of Titanium, Steel and Aluminum - Lithium Alloy by the Cw С2-Laser Beam
    Authors:
    Yury Afonin, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Anatoly Cherepanov, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Anatoly Orishich, S.A. Khristianovich Institute of Theoreical and Applied Mechanics SB RAS; Novosibirsk Russia
    Presented at ICALEO 2010

    A model describing the process of formation of a heterogeneous nucleus on nano-size particles which regards the linear tension on the boundary of three phases (nano-particle – nucleus – melt) is presented. The developed theory...

    $28.00

  • ICALEO 2010 Paper #1105 (Simultaneous Sub Second Laser Welding of Polymers with Diffractive Optics)

    Simultaneous Sub Second Laser Welding of Polymers with Diffractive Optics
    Authors:
    Petri Laakso, VTT Technical Research Center of Finland; Lappeenranta Finland
    Saara Ruotsalainen, VTT Technical Research Center of Finland; Lappeenranta Finland
    Tuomas Purtonen, Lappeenranta University of Technology; Lappeenranta Finland
    Hannu Minkkinen, VTT Technical Research Center of Finland; Tampere Finland
    Veli Kujanpää, VTT Technical Research Center of Finland / Lappeenranta University of Technology; Lappeenranta Finland
    Antti Salminen, VTT Technical Research Center of Finland / Lappeenranta University of Technology; Tampere Finland
    Presented at ICALE...

    $28.00

  • ICALEO 2010 Paper #1104 (Laser Reconditioning of Crankshafts: from Lab to Application)

    Laser Reconditioning of Crankshafts: from Lab to Application
    Authors:
    Henry Koehler, Bias - Bremer Institut Fuer Angewandte Strahltechnik Gmbh; Bremen Germany
    Knut Partes, Bias - Bremer Institut Fuer Angewandte Strahltechnik Gmbh; Bremen Germany
    Thomas Seefeld, Bias - Bremer Institut Fuer Angewandte Strahltechnik Gmbh; Bremen Germany
    Frank Vollertsen, Bias - Bremer Institut Fuer Angewandte Strahltechnik Gmbh; Bremen Germany
    Presented at ICALEO 2010

    In marine diesel engines, damaged crankshafts are common and expensive problems. Worn surfaces of main bearings and connection rod bearings often require a complete replacement of these components. This paper pr...

    $28.00

  • ICALEO 2010 Paper #1103 (Process Parameters Analysis of High Power Direct Diode Laser Cladding)

    Process Parameters Analysis of High Power Direct Diode Laser Cladding
    Authors:
    Soundarapandian Santhanakrishnan, Research Center for Advanced Manufacturing, Southern Methodist University; Dallas TX USA
    Fanrong Kong, Research Center for Advanced Manufacturing, Southern Methodist University; -
    Radovan Kovacevic, Research Center for Advanced Manufacturing, Southern Methodist University; -
    Presented at ICALEO 2010

    Nowadays, high-power direct diode laser (HPDDL) is successfully used in industry as a versatile tool for repairing worn-industrial parts by selective coating. HPPDL based cladding is an economical process to increase the wear and corrosion resistance properties...

    $28.00

  • ICALEO 2010 Paper #107 (Utilization of Quantitative Measurement Categories for Process Monitoring)

    Utilization of Quantitative Measurement Categories for Process Monitoring
    Authors:
    Jan Weberpals, Institut Fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Rainer Schuster, Institut Fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Peter Berger, Institut Fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Thomas Graf, Institut Fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
    Presented at ICALEO 2010

    Current laser systems with strong focusability exhibit a high innovation potential in many application ranges; for example regarding the achievable welding speed or the possibility of adjusting the welding depth to even small material thicknesses. However, the use of these...

    $28.00

  • ICALEO 2010 Paper #106 (Moving Humps at the Capillary Front in Laser Welding)

    Moving Humps at the Capillary Front in Laser Welding
    Authors:
    Peter Berger, IFSW, University of Stuttgart; Stuttgart Germany
    Rainer Schuster, Institut FüR Strahlwerkzeuge (Ifsw); Stuttgart Germany
    Helmut HüGel, Institut FüR Strahlwerkzeuge (Ifsw); Stuttgart Germany
    Thomas Graf, Ifsw, University of Stuttgart; Stuttgart Germany
    Presented at ICALEO 2010

    Welding is a widespread application in laser mate-rials processing and the current development of laser systems with high beam quality helps to enhance the number of applications furthermore. However, the weld pool dynamics is still a limit-ing factor leading to weld defects and it seems to be more importan...

    $28.00

  • ICALEO 2010 Paper #105 (Characteristics of Disk Laser-Induced Plasma)

    Characteristics of Disk Laser-Induced Plasma
    Authors:
    Seung Lee, University of Michigan; Ann Arbor MI USA
    Jyoti Mazumder, University of Michigan; Ann Arbor MI USA
    Presented at ICALEO 2010

    Disk laser is being used as a noble source in laser material processing area due to the high quality of the beam. In laser material interaction field, laser induced plasma has been an interesting part because this inevitable phenomenon in the area is closely related with energy transfer. This plasma plume can diverge or converge the focusing laser beam. Absorption in the plasma block the energy transfer from the laser beam to the target material. On the other hand converging beam enhance the energ...

    $28.00

  • ICALEO 2010 Paper #103 (Latest Research Results with High Power Solid State Laser Optics with Minimized Focus Shift)

    Latest Research Results with High Power Solid State Laser Optics with Minimized Focus Shift
    Authors:
    David Havrilla, TRUMPF Inc.; Plymouth MI USA
    Marco Holzer, TRUMPF Laser- und Systemtechnik GmbH; Ditzingen Germany
    Peter Olschowsky, TRUMPF Laser- und Systemtechnik GmbH; Ditzingen Germany
    Presented at ICALEO 2010

    The dramatic advances in research and development of high brightness laser sources pose more and more a challenge to focusing optics. Thermal focus shift can influence the application results and has to be minimized. This talk shows the latest results regarding new optics and materials suited for high brightness laser sources.

    $28.00

  • ICALEO 2010 Paper #102 (Comparison Of 1 Micron Transmissive Optical Materials For High Power Lasers)

    Comparison Of 1 Micron Transmissive Optical Materials For High Power Lasers
    Authors:
    Stephen Rummel, II-VI Incorporated; Saxonburg PA USA
    Gary Herrit, II-VI Incorporated; Saxonburg PA USA
    Alan Hedges, II-Vi Incorporated; Saxonburg PA USA
    Presented at ICALEO 2010

    With the advent of very high power fiber and disk lasers, choosing the right optical material for the application is vitally important. The best optic for an application is determined by a combination of factors about the application itself and the optic material properties. Important application factors include the laser power, laser type, and the users application. Material properties that the designer ...

    $28.00

  • ICALEO 2010 Paper #101 (Online Focus Shift Measurement in High Power Fiber Laser Welding)

    Online Focus Shift Measurement in High Power Fiber Laser Welding
    Authors:
    Daniel Reitemeyer, BIAS - Bremer Institut fuer angewandte Strahltechnik GmbH; Bremen Germany
    Thomas Seefeld, BIAS - Bremer Institut fuer angewandte Strahltechnik GmbH; Bremen Germany
    Frank Vollertsen, BIAS - Bremer Institut fuer angewandte Strahltechnik GmbH; Bremen Germany
    Presented at ICALEO 2010

    The occurrence of focus shift in high power fiber laser welding has been reported. The small percentage of laser light absorbed in the optical elements of the welding head leads to a thermal focus shift. Contaminations on the optical surfaces are enhancing the absorption and thus the focus shift. So, o...

    $28.00

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