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Thus the aims of this thesis were to develop a system to test the damage properties of materials at both quasistatic (≈ 1 s-¹) and dynamic (> 1 x 10³s-¹) strain rates, and then to determine the innfuence of strain rate to ductile fracture.","abstract_html":"Ductile fracture modelling is extensively used in the automotive, aerospace, aluminium and steel industries. However, these models are often only validated in a limited region of stress states, for example tensile failure by void growth but not shear. In addition, the predictions generally do not include strain rate or temperature effects. Quasistatic tests are often used in calibration, even though many applications such as automotive accidents and ballistic impact operate in the dynamic range. Thus the aims of this thesis were to develop a system to test the damage properties of materials at both quasistatic (≈ 1 s-¹) and dynamic (> 1 x 10³s-¹) strain rates, and then to determine the innfuence of strain rate to ductile fracture.","abstract_has_math":false,"creators":["Bowden, Andrew Scott"],"institution":"Department of Mechanical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Cloete, Trevor"],"committee_chairs":[],"committee_members":[],"year":2009,"date_issued":"2009","date_published":"2009","updated_at":"2026-07-22T22:22:46Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/14084","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Cloete, Trevor"]},{"key":"dc:creator","label":"Author","values":["Bowden, Andrew Scott"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-09-25T07:33:56Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-09-25T07:33:56Z"]},{"key":"dc:date.issued","label":"Date","values":["2009"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Mechanical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/14084"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references (p. 202-208)."]},{"key":"dc:description.abstract","label":"Abstract","values":["Ductile fracture modelling is extensively used in the automotive, aerospace, aluminium and steel industries. However, these models are often only validated in a limited region of stress states, for example tensile failure by void growth but not shear. In addition, the predictions generally do not include strain rate or temperature effects. Quasistatic tests are often used in calibration, even though many applications such as automotive accidents and ballistic impact operate in the dynamic range. Thus the aims of this thesis were to develop a system to test the damage properties of materials at both quasistatic (≈ 1 s-¹) and dynamic (> 1 x 10³s-¹) strain rates, and then to determine the innfuence of strain rate to ductile fracture."]},{"key":"dc:title","label":"Title","values":["Experimental and numerical study on the effect of strain rate to ductile damage"]}]}],"canonical_facts":{"dc:contributor.advisor":["Cloete, Trevor"],"dc:creator":["Bowden, Andrew Scott"],"dc:date.accessioned":["2015-09-25T07:33:56Z"],"dc:date.available":["2015-09-25T07:33:56Z"],"dc:date.issued":["2009"],"dc:description":["Includes bibliographical references (p. 202-208)."],"dc:description.abstract":["Ductile fracture modelling is extensively used in the automotive, aerospace, aluminium and steel industries. However, these models are often only validated in a limited region of stress states, for example tensile failure by void growth but not shear. In addition, the predictions generally do not include strain rate or temperature effects. Quasistatic tests are often used in calibration, even though many applications such as automotive accidents and ballistic impact operate in the dynamic range. Thus the aims of this thesis were to develop a system to test the damage properties of materials at both quasistatic (≈ 1 s-¹) and dynamic (> 1 x 10³s-¹) strain rates, and then to determine the innfuence of strain rate to ductile fracture."],"dc:identifier.uri":["http://hdl.handle.net/11427/14084"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Mechanical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Experimental and numerical study on the effect of strain rate to ductile damage"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:22:46Z"}