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  • 1
    Publication Date: 1974-05-01
    Print ISSN: 0022-2461
    Electronic ISSN: 1573-4803
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 2
    Publication Date: 1973-08-01
    Print ISSN: 0084-6600
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Annual Reviews
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  • 3
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Materials Research 3 (1973), S. 233-268 
    ISSN: 0084-6600
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Materials and structures 2 (1969), S. 17-22 
    ISSN: 1359-5997
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying
    Description / Table of Contents: Summary Low-temperature dynamic mechanical measurements in the system hardened cement paste and water indicated the existence of an internal friction peak and a modulus transition. The transition occurred in the temperature range −160° to −60°C. The transition was found to be enhanced by increasing the moisture content and the extent of the internal surface. The transition is believed to be associated with a phase change of the adsorbed water. Hence the name “adsorbate transition” seems appropriate. Though the true nature of the low-temperature phase is not known, possible means of determining the characteristics of this phase are referred to and suggested. Stress induced phase transition is regarded as a possible cause for the internal friction peak. The method is regarded as having a great potential value in studying water adsorbing systems. In particular, calibration of the internal friction peak versus some other measure of the internal surface area, yields a new method for determining the extent of internal surface areas on a relative scale.
    Notes: Résumé Les measures dynamiques à basse température faites sur le système pâte de ciment durcie-eau montrent l'existence d'une valeur maximale du frottement interne et d'un changement de module. Ce changement de module se produit entre −160° et −60°C et on établit qu'il est accentué par l'accroissement de la teneur en eau et de la surface interne. L'auteur pense que ce changement est associé à un changement de phase de l'eau adsorbée. On pourrait donc la désigner comme «transition d'adsorbat». Quoique la nature véritable de la phase à basse température soit inconnue, l'auteur suggère des moyens de détermination des caractéristiques de cette phase. Le changement de phase induit par la contrainte est considéré comme une cause possible de la valeur maximale du frottement interne. L'auteur pense que la méthode peut avoir une grande valeur pour l'étude des systèmes à adsorption d'eau. En particulier, de l'étalonnage de la valeur maximale du frottement interne en fonction de quelque autre mesure de la surface interne découle une nouvelle méthode pour déterminer l'extension relative des surfaces internes.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 9 (1974), S. 744-752 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Steady flow of moisture through a cylindrical pore is analysed in terms of the mechanisms (a) molecular streaming, (b) surface diffusion and (c) capillary suction. The manner in which these mechanisms interact depends on both the surface diffusion coefficient and the pore size. The general character of the derived expressions is investigated for a range of pore sizes and surface diffusion coefficients. Capillary condensation can generally be expected to cause flow amplification of some few orders of magnitude.
    Type of Medium: Electronic Resource
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