A composite of an aluminum matrix reinforced by short TiNi shape memory alloy (SMA) fibers was fabricated. The processing and thermomechanical behaviors of the composite TiNi/Al6061 were investigated experimentally and analytically. Optimal hot-pressing conditions of TiNi/Al6061 processing were identified. The shape memory effect (SME) was activated by prestraining the composite at the temperature between Ms and As, followed by heating up to Af. SME on mechanical properties, such as microhardness, yield stresses of the composite, were investigated. A computational model for the strengthening mechanism of the short fiber metal matrix composite was utilized to analyze SME on yield stress of the composite. Yield stress of the composite as a function of prestrain was predicted numerically and verified experimentally.


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    Titel :

    Shape Memory Effect of TiNi Short Fiber on Mechanical Properties of TiNi/Al6061 Composite


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Raju, B. (Autor:in) / Xie, C. L. (Autor:in) / Newaz, G. (Autor:in) / Hailat, M. (Autor:in) / Taya, M. (Autor:in) / Wu, X. (Autor:in) / Abedin, Z. (Autor:in)

    Kongress:

    SAE 2005 World Congress & Exhibition ; 2005



    Erscheinungsdatum :

    11.04.2005




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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