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  • Articles  (2)
  • Polymer and Materials Science  (1)
  • time correlation functions  (1)
  • 1980-1984  (2)
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  • Articles  (2)
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  • 1980-1984  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Tail shortening by discrete hydrodynamics (1982)
    Springer
    Journal of statistical physics 27 (1982), S. 389-405 
    Details
    ISSN: 1572-9613
    Keywords: Molecular dynamics ; transport coefficients ; viscosity ; time correlation functions ; long-time tails
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A discrete formulation of hydrodynamics was recently introduced, whose most important feature is that it is exactly renormalizable. Previous numerical work has found that it provides a more efficient and rapidly convergent method for calculating transport coefficients than the usual Green-Kubo method. The latter's convergence difficulties are due to the well-known “long-time tail” of the time correlation function which must be integrated over time. The purpose of the present paper is to present additional evidence that these difficulties are really absent in the discrete equation of motion approach. The “memory” terms in the equation of motion are calculated accurately, and shown to decay much more rapidly with time than the equilibrium time correlations do.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01008945
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Verschleißverhalten von Innenbüchsenwerkstoffen für das Strangpressen von NichteisenmetallegierungenMitteilung aus der Versuchsanstalt der Vereinigten Edelstahlwerke, Werksgruppe Kapfenberg. (1983)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 14 (1983), S. 126-130 
    Details
    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: Wear Resistance of Liner Material for Extruding Non-ferrous AlloysExtruding Al and its alloys Cu, brass, Cu-Ni alloys and Ni on account of variable working conditions (as temperature) different liner materials are used.Processing Al martensitic hot work steels are successful in application. Working up copper high temperature resistant and austenitic steels are additional in use.The high-temperature strength of these materials is well-known.Based on the investigation of the high-temperature wear this paper presents several new considerations.
    Notes: Anforderungen an die Innenbüchsenwerkstoffe für das Strangpressen von Aluminiumlegierungen, Reinkupfer, Messing, Kupfer-Nickellegierungen und Reinnickel; Kriterien für die Stahlauswahl. Verschleißverhalten in Abhängigkeit von Werkstoffpaarung und Beanspruchungstemperatur; Warmfestigkeit von martensitischen Warmarbeitsstählen und hochwarmfesten Austeniten.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19830140409
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    Paper (German National Licenses)
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