Microstructural analysis of plates with large strains as a result of central localised blast loading

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dc.contributor.advisorNurick, Gerald Nen_ZA
dc.contributor.authorSmith, Michael Philipen_ZA
dc.date.accessioned2014-11-14T03:54:41Z
dc.date.available2014-11-14T03:54:41Z
dc.date.issued1999en_ZA
dc.descriptionIncludes bibliographical references.en_ZA
dc.description.abstractThe defonnation response and subsequent tearing of built in plates subjected to central impulsive loading has been investigated experimentally in the past. Theoretical predictions of the structural response have also been made and compared to these experiments. In this thesis, a new method is developed whereby the strains within the defonned plates were measured using micrographs of the grain structure of the plate. The aim of the thesis was to gain a fuller understanding of the internal defonnation of blast loaded plate so as to enable more accurate theoretical predictions of plate defonnation and tearing. The dimensions of the grains of the plate material both in the virgin state and after defonnation were measured by image analysis of scanning electron micrographs. These measurements were processed and averaged at various points within the structure. This enabled the strain distribution throughout the defonned plate to be analysed. Tensile tests were undertaken in order to calibrate this method of strain measurement. The tests were arrested during the loading, after the specimen had undergone a known amount of strain. The strain measured from the microstructure was then compared to the strain measured during the tensile tests. The method was found to give a satisfactory measurement of the strain in the tensile tests.en_ZA
dc.identifier.apacitationSmith, M. P. (1999). <i>Microstructural analysis of plates with large strains as a result of central localised blast loading</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering. Retrieved from http://hdl.handle.net/11427/9600en_ZA
dc.identifier.chicagocitationSmith, Michael Philip. <i>"Microstructural analysis of plates with large strains as a result of central localised blast loading."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering, 1999. http://hdl.handle.net/11427/9600en_ZA
dc.identifier.citationSmith, M. 1999. Microstructural analysis of plates with large strains as a result of central localised blast loading. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Smith, Michael Philip AB - The defonnation response and subsequent tearing of built in plates subjected to central impulsive loading has been investigated experimentally in the past. Theoretical predictions of the structural response have also been made and compared to these experiments. In this thesis, a new method is developed whereby the strains within the defonned plates were measured using micrographs of the grain structure of the plate. The aim of the thesis was to gain a fuller understanding of the internal defonnation of blast loaded plate so as to enable more accurate theoretical predictions of plate defonnation and tearing. The dimensions of the grains of the plate material both in the virgin state and after defonnation were measured by image analysis of scanning electron micrographs. These measurements were processed and averaged at various points within the structure. This enabled the strain distribution throughout the defonned plate to be analysed. Tensile tests were undertaken in order to calibrate this method of strain measurement. The tests were arrested during the loading, after the specimen had undergone a known amount of strain. The strain measured from the microstructure was then compared to the strain measured during the tensile tests. The method was found to give a satisfactory measurement of the strain in the tensile tests. DA - 1999 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1999 T1 - Microstructural analysis of plates with large strains as a result of central localised blast loading TI - Microstructural analysis of plates with large strains as a result of central localised blast loading UR - http://hdl.handle.net/11427/9600 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/9600
dc.identifier.vancouvercitationSmith MP. Microstructural analysis of plates with large strains as a result of central localised blast loading. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering, 1999 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/9600en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Mechanical Engineeringen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherMechanical Engineeringen_ZA
dc.titleMicrostructural analysis of plates with large strains as a result of central localised blast loadingen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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