The substrate/washcoat systems which preserve both the mechanical and thermal attributes of cordierite substrates are most desirable for prolonged durability of automotive catalysts. This paper provides a micromechanics viewpoint of substrate/washcoat composite whose properties are predictable, measurable and relevant to catalyst durability. The micromechanics model helps quantify substrate/washcoat interaction which controls the long-term catalyst performance. Three different examples of substrate/washcoat systems are used here to illustrate the optimization process during the development of new substrates or washcoat technologies to meet the more stringent emission and durability requirements of advanced catalysts for the 1990s.


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    Titel :

    Optimization of Substrate/Washcoat Interaction for Improved Catalyst Durability


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Cooper, B.J. (Autor:in) / Winterborn, D.J.W. (Autor:in) / Douglas, J.M.K. (Autor:in) / Hawker, P.N. (Autor:in) / Gulati, Suresh T. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1991



    Erscheinungsdatum :

    01.02.1991




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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