{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc4742"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc4742","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"A magnetorheological study of single-walled and multi-walled carbon nanotube dispersions in mineral oil and epoxy resin.","abstract":"Single wall carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were dispersed in mineral oil and epoxy resin. The magnetorheological properties of these dispersions were studied using a parallel plate rheometer. Strain sweeps, frequency sweeps, magneto sweeps and steady shear tests were conducted in various magnetic fields. G', G\", h* and ty increased with increasing magnetic field, which was partially attributed to the increasing degree of the alignment of nanotubes in a stronger magnetic field. The SWNT/mo dispersions exhibited more pronounced magnetic field dependence than SWNT/ep and MWNT/mo counterparts due to their much lower viscosity. The alignment of SWNTs in mineral oil increased with rising nanotube concentration up to 2.5vol% but were significantly restricted at 6.41vol% due to nanotube flocculation.","abstract_html":"Single wall carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were dispersed in mineral oil and epoxy resin. The magnetorheological properties of these dispersions were studied using a parallel plate rheometer. Strain sweeps, frequency sweeps, magneto sweeps and steady shear tests were conducted in various magnetic fields. G', G", h* and ty increased with increasing magnetic field, which was partially attributed to the increasing degree of the alignment of nanotubes in a stronger magnetic field. The SWNT/mo dispersions exhibited more pronounced magnetic field dependence than SWNT/ep and MWNT/mo counterparts due to their much lower viscosity. The alignment of SWNTs in mineral oil increased with rising nanotube concentration up to 2.5vol% but were significantly restricted at 6.41vol% due to nanotube flocculation.","abstract_has_math":false,"creators":["Yang, Zhengtao"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["D'Souza, Nandika Anne, 1967-","Brostow, Witold, 1934-","Reidy, Richard","Roberts, James A.","Bahr, Jeffrey"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005-05","date_published":"2005-05","updated_at":"2026-07-24T05:35:09Z","subjects":["Nanotubes.","Carbon.","SWNT","MWNT","mineral oil","magnetorheological","carbon nanotubes","alignment"],"languages":["English"],"rights":["Public","Copyright","Yang, Zhengtao","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 62161064","https://digital.library.unt.edu/ark:/67531/metadc4742/","ark: ark:/67531/metadc4742"],"render_values":[{"text":"oclc: 62161064","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc4742/","href":"https://digital.library.unt.edu/ark:/67531/metadc4742/","code":true},{"text":"ark: ark:/67531/metadc4742","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc4742","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["D'Souza, Nandika Anne, 1967-","Brostow, Witold, 1934-","Reidy, Richard","Roberts, James A.","Bahr, Jeffrey"]},{"key":"dc:creator","label":"Author","values":["Yang, Zhengtao"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2005-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Nanotubes.","Carbon.","SWNT","MWNT","mineral oil","magnetorheological","carbon nanotubes","alignment"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Yang, Zhengtao","Copyright is held by the author, unless otherwise noted. All rights reserved."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 62161064","doi: 10.12794/metadc4742","https://digital.library.unt.edu/ark:/67531/metadc4742/","ark: ark:/67531/metadc4742"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Single wall carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were dispersed in mineral oil and epoxy resin. The magnetorheological properties of these dispersions were studied using a parallel plate rheometer. Strain sweeps, frequency sweeps, magneto sweeps and steady shear tests were conducted in various magnetic fields. G', G\", h* and ty increased with increasing magnetic field, which was partially attributed to the increasing degree of the alignment of nanotubes in a stronger magnetic field. The SWNT/mo dispersions exhibited more pronounced magnetic field dependence than SWNT/ep and MWNT/mo counterparts due to their much lower viscosity. The alignment of SWNTs in mineral oil increased with rising nanotube concentration up to 2.5vol% but were significantly restricted at 6.41vol% due to nanotube flocculation."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["A magnetorheological study of single-walled and multi-walled carbon nanotube dispersions in mineral oil and epoxy resin."]}]}],"canonical_facts":{"dc:contributor":["D'Souza, Nandika Anne, 1967-","Brostow, Witold, 1934-","Reidy, Richard","Roberts, James A.","Bahr, Jeffrey"],"dc:creator":["Yang, Zhengtao"],"dc:date":["2005-05"],"dc:description":["Single wall carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were dispersed in mineral oil and epoxy resin. The magnetorheological properties of these dispersions were studied using a parallel plate rheometer. Strain sweeps, frequency sweeps, magneto sweeps and steady shear tests were conducted in various magnetic fields. G', G\", h* and ty increased with increasing magnetic field, which was partially attributed to the increasing degree of the alignment of nanotubes in a stronger magnetic field. The SWNT/mo dispersions exhibited more pronounced magnetic field dependence than SWNT/ep and MWNT/mo counterparts due to their much lower viscosity. The alignment of SWNTs in mineral oil increased with rising nanotube concentration up to 2.5vol% but were significantly restricted at 6.41vol% due to nanotube flocculation."],"dc:format":["Text"],"dc:identifier":["oclc: 62161064","doi: 10.12794/metadc4742","https://digital.library.unt.edu/ark:/67531/metadc4742/","ark: ark:/67531/metadc4742"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Yang, Zhengtao","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Nanotubes.","Carbon.","SWNT","MWNT","mineral oil","magnetorheological","carbon nanotubes","alignment"],"dc:title":["A magnetorheological study of single-walled and multi-walled carbon nanotube dispersions in mineral oil and epoxy resin."],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:35:09Z"}