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Processing and Properties of Amorphous NiW Reinforced Crystalline Ni Matrix Composites

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dc.contributor.authorWensley, Charles Alexanderen
dc.contributor.committeecochairKampe, Stephen L.en
dc.contributor.committeecochairAning, Alexander O.en
dc.contributor.committeememberReynolds, William T. Jr.en
dc.contributor.departmentMaterials Science and Engineeringen
dc.date.accessioned2014-03-14T20:30:03Zen
dc.date.adate2006-01-13en
dc.date.available2014-03-14T20:30:03Zen
dc.date.issued2005-12-16en
dc.date.rdate2006-01-13en
dc.date.sdate2006-01-03en
dc.description.abstractMetal Matrix Composites (MMCs) are used as structural materials because of their ability to have a combination of high strength and good ductility. A common problem with MMCs utiliz-ing vastly different materials is the difficulty in forming a strong matrix/reinforcement interface without suffering extensive dissolution, debonding, or chemical reactions between the compo-nents. In this work, a nickel base amorphous particulate reinforced crystalline nickel matrix composite is processed. The reinforcement, an equimolar NiW amorphous powder, was synthe-sized using the mechanical alloying process. The amorphous and crystalline nickel powders were blended in varying volume fractions and then consolidated using hot-isostatic pressing (HIP). This work reveals that the amorphous NiW reinforcement provides strength and hardness to the ductile Ni matrix while simultaneously maintaining a strong interfacial bond due to the similar chemistry of the two components. The strengthening achieved in the composite is attrib-uted to the particulate/matrix boundary strengthening.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-01032006-203057en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-01032006-203057/en
dc.identifier.urihttp://hdl.handle.net/10919/30793en
dc.publisherVirginia Techen
dc.relation.haspartCWensley-thesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectParticulate Reinforcementen
dc.subjectAmorphousen
dc.subjectMechanical Alloyingen
dc.subjectMetal Matrix Compositesen
dc.titleProcessing and Properties of Amorphous NiW Reinforced Crystalline Ni Matrix Compositesen
dc.typeThesisen
thesis.degree.disciplineMaterials Science and Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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