Shape-Memory Effect (SME) alloys have been known and available for many years. Principal applications have used the nickel-titanium SME alloys in high-performance products such as aircraft hydraulic couplings. A practical one-pound, three-quarter-inch-stroke, linear actuator using shape-memory effect (SME) metal is described. The actuator is a helical spring made with nickel-titanium shape-memory metal alloy. It compresses or 'shrinks' when heated with an electric current. Design of the actuator which includes protection against ancillary jams is described. Performance data showing actuation time versus applied current, ambient temperature and applied load is presented.


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    Title :

    A practical shape-memory electromechanical actuator


    Additional title:

    Das Formgedaechtnis eines Werkstoffes, angewandt an einem elektromechanischen Stellantrieb


    Contributors:


    Publication date :

    1984


    Size :

    10 Seiten, 8 Bilder, 1 Tabelle


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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