Silicon nitride (Si3N4) is a good candidate for a DPF substrate due to its excellent mechanical and thermal properties. The novel process for producing porous silicon nitride is established and fundamental characteristics of fabricated Si3N4 honeycomb were evaluated including mechanical/thermal properties and chemical stability against sulfuric acid and several kinds of chemicals. DPF characteristics in application such as pressure drop and soot regeneration behavior were investigated in diesel engine test bench. Numerical studies to evaluate stress in DPF during soot regeneration were also conducted.


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    Title :

    Characteristics and Evaluation of Porous Silicon Nitride DPF


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE 2003 World Congress & Exhibition ; 2003



    Publication date :

    2003-03-03




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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