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  • Articles: DFG German National Licenses  (3)
  • 1995-1999  (3)
  • 1980-1984
  • 1890-1899
  • 1998  (3)
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  • Articles: DFG German National Licenses  (3)
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Years
  • 1995-1999  (3)
  • 1980-1984
  • 1890-1899
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  • 1
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 2333-2348 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The TCV Tokamak was designed to create a large variety of plasma shapes. Such a large flexibility requires high precision magnetic measurements with a good spatial coverage. This article gives a detailed description of the magnetic sensor geometry, fabrication, calibration, the associated electronics, and the diagnostic operation and monitoring. A substantial effort has been made to quantify the precision in the measurements and a novel method has been developed to derive corrections in the sensor position and calibration which optimise the consistency of the entire measurement set. Accuracy of 0.5 mWb in the poloidal flux and 1 mT in the magnetic field with a position error of a few mm have been achieved. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of theoretical physics 37 (1998), S. 537-543 
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Taking into account some philosophical notionson realism a reformulation of“macro-realism” according to Leggett-Garg isput forward. A macroscopic phase dynamics based on amicroscopic SQUID-model is discussed in this context.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 29 (1998), S. 281-291 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Investigation of Laser Beam Joining Properties for Eye Glass Frame ManufactureIn the production of high-grade eye glass frames of stainless steel increase the application of laserbeam joining technology in comparison to conventional processes. In a study it should be established, with which process (brazing or welding), the practical requirements of eye glass frames could be realized. Profiles made of Cr-Ni-steel which are used in practice due to their corrosion resistance, were joined with laser beam. To characterize the properties of joints, the quality of specimens were tested concerning mechanical properties (hardness, strength, ductility) and structural constitution. In relation to the requirement of good ductility of the joints, it was possible to proof the advantages of the welded samples.
    Notes: Bei der Fertigung von hochwertigen Brillengestellen aus nichtrostenden Stählen gewinnt der Einsatz der Laserstrahlfügeverfahren im Vergleich zu konventionellen Verfahren zunehmend an Bedeutung. Im Rahmen einer Studie sollte festgestellt werden, welches der beiden Verfahren Löten und Schweißen die in der Praxis gestellten Anforderungen an Brillengestelle besser erfüllt. Hierzu wurden Profile aus Cr-Ni-Stahl, wie sie in der Praxis wegen ihrer besonderen Langzeitstabilität gegenüber Korrosion eingesetzt werden, mittels Laserstrahl gefügt. Zur Charakterisierung der metallurgischen Eigenschaften der Fügeverbindungen wurden die Qualitätsmerkmale der Proben hinsichtlich mechanischer Eigenschaften (Härte, Festigkeit und Verformbarkeit) sowie die Gefügeausbildung untersucht. Im Hinblick auf die geforderte gute Verformbarkeit der Verbindungen konnte für die geschweißten Proben ein Vorteil gegenüber dem Laserstrahllöten nachgewiesen werden.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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