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  • 1985-1989  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Surface mass transport of alumina (1986)
    Springer
    Journal of materials science 21 (1986), S. 419-423 
    Details
    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 The kinetics of thermal grooving at the intersection of rhombohedral twin boundaries with the $$(10\bar 10)$$ plane in aluminium oxide were measured from 1773 to 2273 K. Analysis of the data using the model of Mullins showed that surface diffusion was the dominant mechanism for mass transport. The results were compared with other similar published work on alumina, and the following equation for surface diffusion was determined: $$D_s (cm^2 sec^{ - 1} ) = 4.05 x 10^5 exp - (452kJ mol^{ - 1} /RT).$$
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01145503
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Surface mass transport of alumina (1986)
    Springer
    Details
    Publication Date: 1986-02-01
    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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    PAPER CURRENT
  • 3
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    Unknown
    Surface mass transport of alumina (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Measurements were made of the kinetics of thermal grooving at the intersection of rhombohedral twin boundaries with the (1 0 -1 0) plane in alumina, at temperatures from 1773 to 2273 K. An analysis of the values obtained on the basis of the model of Mullins (1957) indicated that surface diffusion was the dominant mass transport mechanism. Comparisons are made with the results of other investigations of alumina, and an equation is derived for the surface diffusion value.
    Keywords: NONMETALLIC MATERIALS
    Type: Journal of Materials Science (ISSN 0022-2461); 21; 419-423
    Format: text
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    NASA TECHNICAL REPORTS
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