Nanotribological and Nanomechanical Investigation of Nanomaterials

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dc.contributor.advisorLou, Junen_US
dc.contributor.committeeMemberAjayan, Pulickel M.en_US
dc.contributor.committeeMemberLi, Qilinen_US
dc.creatorZhang, Jiangnanen_US
dc.date.accessioned2013-09-16T19:14:39Zen_US
dc.date.accessioned2013-09-16T19:14:45Zen_US
dc.date.available2013-09-16T19:14:39Zen_US
dc.date.available2013-09-16T19:14:45Zen_US
dc.date.created2013-05en_US
dc.date.issued2013-09-16en_US
dc.date.submittedMay 2013en_US
dc.date.updated2013-09-16T19:14:45Zen_US
dc.description.abstractThis dissertation primarily documents the quantification of the interfacial behavior of carbon based nanomaterials, which includes two categories, one is the nanofriction properties evaluation of aligned carbon nanotube carpets, few-layer graphene as well as three types of functionalized graphene nanoribbons, the second is the mechanical characterization of individual functionalized carbon nanofibers and the interfacial fracture toughness quantification in carbon nanotube/polymer derived ceramics nanocomposite. The aligned carbon nanotube carpets have a highly anisotropic friction behavior, which means the friction force are lower for transversely aligned CNTs side than for vertically aligned CNTs surface. We can also tune the friction properties of graphene ribbons by grafting different functional groups. In addition, two narrow angular regions with high friction, separated by a wide angular interval with low friction, were identified between graphene and highly oriented pyrolytic graphite. The distance between the two friction peaks is 61◦, which corresponds well with the 60◦ symmetry of individual atomic layers in the graphite lattice. The technique that involves the usage of mcirodevices and nanoidenter was used to conduct tensile tests on pristine, fluorinated and amino-functionalized carbon nanofibers, which were found to exhibit varied load-bearing abilities and unique fracture modes. The technique was also used to perform single fiber pullout experiments to study carbon nanotube/polymer derived ceramic interface.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationZhang, Jiangnan. "Nanotribological and Nanomechanical Investigation of Nanomaterials." (2013) Diss., Rice University. <a href="https://hdl.handle.net/1911/72068">https://hdl.handle.net/1911/72068</a>.en_US
dc.identifier.slug123456789/ETD-2013-05-351en_US
dc.identifier.urihttps://hdl.handle.net/1911/72068en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectNanomechanicsen_US
dc.subjectFrictionen_US
dc.subjectAdhesionen_US
dc.subject1-D tensile testen_US
dc.subjectCarbon nanomaterialsen_US
dc.titleNanotribological and Nanomechanical Investigation of Nanomaterialsen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentMechanical Engineering and Materials Scienceen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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