{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/19691"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/19691","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Shear thickening and microstructures of concentrated charge stabilized suspensions","abstract":"Rheological properties and microstructures of concentrated charge stabilized suspensions are studied in this dissertation. Suspensions containing monodispersed polystyrene particles with diameters ranging from 229 to 514 nm are used. Volume fractions ranged from 0.30 to 0.59 are studied. A non-equilibrium phase diagram of critical rheological properties and microstructures as function of shear rates is constructed for the first time. A parameter to measure the degree of suspension order under shear is established. The rapid increase of suspension viscosity as the shear rate increases is examined as function of volume fraction, previous shear history and the flow geometry.","abstract_html":"Rheological properties and microstructures of concentrated charge stabilized suspensions are studied in this dissertation. Suspensions containing monodispersed polystyrene particles with diameters ranging from 229 to 514 nm are used. Volume fractions ranged from 0.30 to 0.59 are studied. A non-equilibrium phase diagram of critical rheological properties and microstructures as function of shear rates is constructed for the first time. A parameter to measure the degree of suspension order under shear is established. The rapid increase of suspension viscosity as the shear rate increases is examined as function of volume fraction, previous shear history and the flow geometry.","abstract_has_math":false,"creators":["Chow, Mei Kam"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemical Engineering","degree_department":null,"school":null,"contributors":["Zukoski, Charles F."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:15:27Z","date_published":"2011-05-07T12:15:27Z","updated_at":"2026-07-22T22:25:14Z","subjects":["Engineering, Chemical","Physics, Condensed Matter"],"languages":["eng"],"rights":["Copyright 1994 Chow, Mei Kam"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9416346","(UMI)AAI9416346"],"render_values":[{"text":"AAI9416346","href":null,"code":true},{"text":"(UMI)AAI9416346","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/19691","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Zukoski, Charles F."]},{"key":"dc:creator","label":"Author","values":["Chow, Mei Kam"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:15:27Z","10000-01-01","1994"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Chemical","Physics, Condensed Matter"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1994 Chow, Mei Kam"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9416346","(UMI)AAI9416346","http://hdl.handle.net/2142/19691"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Rheological properties and microstructures of concentrated charge stabilized suspensions are studied in this dissertation. Suspensions containing monodispersed polystyrene particles with diameters ranging from 229 to 514 nm are used. Volume fractions ranged from 0.30 to 0.59 are studied. A non-equilibrium phase diagram of critical rheological properties and microstructures as function of shear rates is constructed for the first time. A parameter to measure the degree of suspension order under shear is established. The rapid increase of suspension viscosity as the shear rate increases is examined as function of volume fraction, previous shear history and the flow geometry.","Microstructures are studied using the small angle neutron scattering and the rheological measurements are obtained from both the constant stress and constant rate of strain rheometers. Dynamic variables such as the static yield stress, dynamic yield stress, catastrophic shear thinning stress and shear thickening stress are found to scale with the equilibrium modulus of the suspensions. Shear thickening is found to be dependent on the suspension's previous shear history and the size of the gap which bounds the suspension.","Made available in DSpace on 2011-05-07T12:15:27Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9416346.pdf: 8196648 bytes, checksum: 662f90cf068761edc3124d68072887df (MD5) Previous issue date: 1994","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:46Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:16:13-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Shear thickening and microstructures of concentrated charge stabilized suspensions"]}]}],"canonical_facts":{"dc:contributor":["Zukoski, Charles F."],"dc:creator":["Chow, Mei Kam"],"dc:date":["2011-05-07T12:15:27Z","10000-01-01","1994"],"dc:description":["Rheological properties and microstructures of concentrated charge stabilized suspensions are studied in this dissertation. Suspensions containing monodispersed polystyrene particles with diameters ranging from 229 to 514 nm are used. Volume fractions ranged from 0.30 to 0.59 are studied. A non-equilibrium phase diagram of critical rheological properties and microstructures as function of shear rates is constructed for the first time. A parameter to measure the degree of suspension order under shear is established. The rapid increase of suspension viscosity as the shear rate increases is examined as function of volume fraction, previous shear history and the flow geometry.","Microstructures are studied using the small angle neutron scattering and the rheological measurements are obtained from both the constant stress and constant rate of strain rheometers. Dynamic variables such as the static yield stress, dynamic yield stress, catastrophic shear thinning stress and shear thickening stress are found to scale with the equilibrium modulus of the suspensions. Shear thickening is found to be dependent on the suspension's previous shear history and the size of the gap which bounds the suspension.","Made available in DSpace on 2011-05-07T12:15:27Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9416346.pdf: 8196648 bytes, checksum: 662f90cf068761edc3124d68072887df (MD5) Previous issue date: 1994","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:46Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:16:13-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9416346","(UMI)AAI9416346","http://hdl.handle.net/2142/19691"],"dc:language":["eng"],"dc:rights":["Copyright 1994 Chow, Mei Kam"],"dc:subject":["Engineering, Chemical","Physics, Condensed Matter"],"dc:title":["Shear thickening and microstructures of concentrated charge stabilized suspensions"],"dc:type":["text"],"thesis:degree_discipline":["Chemical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:14Z"}