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  • 1
    Electronic Resource
    Electronic Resource
    Hot corrosion ofα-SiC ceramics by V2O5 melt (1990)
    Springer
    Journal of materials science 25 (1990), S. 1614-1617 
    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 corrosion behaviour ofα-SiC in V2O5 melt has been investigated at elevated temperatures. The corrosion products on the surface of the specimen are removed using HF. The morphologies are also examined. From the observations of bubble formation in the scale and the temperature dependence of the corrosion rate, a kinetic mechanism is proposed. Based on the consistency of the plotted data with the proposed equation and high values of surface reaction rate constant, a diffusion controlling process has been developed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01045359
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Gaseous corrosion mechanisms of silicon carbides in Na2SO4 and V2O5 environments (1996)
    Springer
    Journal of materials science 31 (1996), S. 3003-3008 
    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 Hot-pressed polycrystalline SiC (HPSiC) and single crystal SiC (SCSiC) were exposed to Na2SO4 and V2O5 vapours at 1000 °C. Vapours were carried by the argon gas over the specimens where corrosion studies were conducted. Mixed-kinetics mechanisms for HPSiC under gaseous environments have been developed in the form of corrosion weight loss per unit area with time. The decomposed gases diffusing through the SiO2 film and the reaction products at the substrate surfaces are the two major steps that contribute to the overall reaction for this material. SCSiC was observed to have severe corrosion attacks on its surfaces and corrosion pits with honeycomb shapes were left.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00356015
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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