A concern has been expressed regarding the durability of the ceramic thin wall and ultra-thin wall substrates under severe thermal and mechanical conditions. Damage that might result from these conditions would most likely lead to a reduction in catalyst performance. One of the potential damage mechanisms for automotive catalysts is erosion resulting from the impingement of particles onto the front face of the catalyst system. A basic study of the particulate erosion phenomenon of cellular ceramic substrates was undertaken in order to determine, in a controlled setting, the substrate, particulate, and flow conditions that might bring this damage about. This report will discuss a room temperature study of the effects of particle size, particle density, gas flow rate, cellular part orientation, and cellular design parameters on the erosion of ceramic substrates.


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    Title :

    Particulate Erosion of Automotive Catalyst Supports


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Spring Fuels & Lubricants Meeting ; 2001



    Publication date :

    2001-05-07




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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