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7 Result(s)

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  1. No Access

    Article

    A kinetic and morphological study of the coking of some heat-resistant steels

    The coking behaviour of a range of austenitic, heat-resistant steels has been examined in the temperature range 700-1000°C. At and below 800°C, catalytic coke in the form of bundles of filaments formed at loca...

    D. R. G. Mitchell, D. J. Young in Journal of Materials Science (1994)

  2. No Access

    Article

    The effect of molybdenum and aluminium additions on the carburization behaviour of high temperature steel

    D. R. G. Mitchell, D. J. Young in Journal of Materials Science Letters (1993)

  3. No Access

    Article

    Ageing of dealloyed copper

    A finely divided copper rod structure has been prepared by the selective dissolution of aluminium from a Cu-50wt% Al alloy in aqueous NaOH. The aging behaviour of this product has been studied by measurement o...

    A. D. Tomsett, D. J. Young, M. R. Stammbach… in Journal of Materials Science (1990)

  4. No Access

    Article

    Selective leaching of NiAl3 and Ni2Al3 intermetallics to form Raney nickels

    Annealed single-phase NiAl3 and Ni2Al3 materials were leached with 20wt% aqueous NaOH solution to remove the aluminium. At temperatures of 274 to 323 K, NiAl3 leached according to linear kinetics, yielding porous...

    M. L. Bakker, D. J. Young, M. S. Wainwright in Journal of Materials Science (1988)

  5. No Access

    Article

    Coke deposition on and removal from metals and heat-resistant alloys under steam-cracking conditions

    The kinetics of coke formation and its removal from nickel, copper and alloys have been studied and the results correlated with the morphology of the deposits. Coke deposition from hydrogen-propylene-steam was...

    P. R. S. Jackson, D. J. Young, D. L. Trimm in Journal of Materials Science (1986)

  6. No Access

    Article

    The coking kinetics of heat resistant austenitic steels in hydrogen-propylene atmospheres

    The kinetics of coke formation on several commercial Fe-Ni-Cr alloys used in the construction of ethylene steam crackers, nickel and copper were investigated over the temperature range 450 to 1000‡ C in hydrog...

    P. R. S. Jackson, D. L. Trimm, D. J. Young in Journal of Materials Science (1986)

  7. No Access

    Article

    Morphological studies of coking on heat-resistant alloys

    The deposition of coke from a propylene-hydrogen mixture on to a range of austenitic Fe-Cr-Ni base alloys has been studied. Morphological investigations reveal the formation of a chromium-rich carbide layer on...

    P. Tomaszewicz, P. R. S. Jackson, D. L. Trimm, D. J. Young in Journal of Materials Science (1985)