SMC/BMC and also TMC are more and more used for new automotive applications. Several backgrounds can be mentioned. The high E-modulus, the high dimensional stability and the thermal expansion coefficient equal to steel are characteristics, which make SMC/BMC interesting for combined construction for automotive. New developed formulations allow the moulded parts to be on-line painted. Other factors, which make SMC/BIVIC more favourable for automotive, are the medium to small production series, fuel saving programs by reducing the weight of the car and new designs, which can not be realised in steel anymore. The purpose of this paper is to present the current European status on low-density sheet moulded composite (SMC) applications in the automotive industry. SMC already has a weight reduction compared to steel. With the use of Scotchlite Glass Bubbles in combination with BYK-Chemie additives, SMC can be far more improved in terms of the weight reduction, which is the primary benefit for the automotive industry. The formulations described in this paper were directly compared using automotive industry accepted test methods to quantify formulation differences. The final conclusion proves that the primary benefit of using hollow-glass microspheres in SMC, for the automotive industry, can be achieved by reducing the weight of SMC parts up to 30%.


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    Title :

    Weight reduction in the transportation market through low density SMC


    Additional title:

    Gewichtsverminderung im Transportmarkt durch SMC niedriger Dichte


    Contributors:
    Gregl, B. (author) / Sommer, M. (author)


    Publication date :

    2001


    Size :

    6 Seiten, 13 Bilder, 1 Tabelle, 9 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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