Experimental Investigation of the Mechanical Properties and Auxetic Behavior of Iron-Gallium Alloys

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dc.contributor.advisorFlatau, Alison Ben_US
dc.contributor.authorSchurter, Holly Marieen_US
dc.contributor.departmentAerospace Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2009-07-03T05:50:02Z
dc.date.available2009-07-03T05:50:02Z
dc.date.issued2009en_US
dc.description.abstractIron-gallium alloys (known as Galfenol) are a unique material that have shown great potential for numerous applications. They exhibit a strong magneto-mechanical coupling, otherwise known as magnetostriction, which lends itself very well to transducer applications, from the nano-scale to macro scale. In addition, Galfenol is one of only a few metal alloys known to exhibit large auxetic or negative Poisson's ratio behavior. In order to develop any Galfenol-based applications, it will be necessary to understand its mechanical behavior. The goal of the research presented in this thesis therefore is to measure the elastic properties of Galfenol for a range of compositions in order to create a database, as well as present trends in the elastic properties. This is achieved through tensile testing of single-crystal Galfenol dogbone-shaped specimens and through resonant ultrasound spectroscopy (RUS) of small parallelepiped samples.en_US
dc.format.extent5099183 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1903/9378
dc.language.isoen_US
dc.subject.pqcontrolledEngineering, Mechanicalen_US
dc.subject.pqcontrolledEngineering, Aerospaceen_US
dc.subject.pquncontrolledauxeticen_US
dc.subject.pquncontrolledGalfenolen_US
dc.subject.pquncontrollediron-galliumen_US
dc.titleExperimental Investigation of the Mechanical Properties and Auxetic Behavior of Iron-Gallium Alloysen_US
dc.typeThesisen_US

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