{"id":{"repo_id":"missouri","oai_identifier":"oai:mospace.umsystem.edu:10355/98182"},"canonical_url":"https://search.dev.ndltd.org/etd/missouri/oai:mospace.umsystem.edu:10355/98182","repository":{"repo_id":"missouri","name":"University of Missouri","base_url":"https://mospace.umsystem.edu/oai/request"},"display":{"title":"Development of a multiple-specimen, reversed-flexure fatigue tester and its application to the testing of titanium sheet","abstract":"\"Advancing technology constantly increases the demands on existing engineering materials. These demands are extremely severe for aerospace materials where the necessity for a higher strength-to-weight ratio is complicated by little understood environmental effects. A major consideration when designing structures is the fatigue resistance of available materials. The goals of this investigation were the development of a multiple-specimen fatigue tester and the evaluation of the fatigue properties of commercially pure titanium in a room-temperature air environment. The resulting fatigue tester is capable of simultaneously testing six sheet specimens in reversed bending at speeds up to 2000 cycles per minute. Fatigue properties of 0.035-in. thick commercially pure, grade Ti-75A titanium sheet were evaluated and results are presented in the form of an S-N curve including data for the rolling and transverse directions. These data were analyzed statistically and compared with the results of previous investigations of this type material.\"--Introduction.","abstract_html":""Advancing technology constantly increases the demands on existing engineering materials. These demands are extremely severe for aerospace materials where the necessity for a higher strength-to-weight ratio is complicated by little understood environmental effects. A major consideration when designing structures is the fatigue resistance of available materials. The goals of this investigation were the development of a multiple-specimen fatigue tester and the evaluation of the fatigue properties of commercially pure titanium in a room-temperature air environment. The resulting fatigue tester is capable of simultaneously testing six sheet specimens in reversed bending at speeds up to 2000 cycles per minute. Fatigue properties of 0.035-in. thick commercially pure, grade Ti-75A titanium sheet were evaluated and results are presented in the form of an S-N curve including data for the rolling and transverse directions. These data were analyzed statistically and compared with the results of previous investigations of this type material."--Introduction.","abstract_has_math":false,"creators":["Fulks, David George"],"institution":"University of Missouri--Columbia","degree_name":"M.S.","degree_level":"Masters","degree_discipline":"Mechanical engineering (MU)","degree_department":null,"school":null,"contributors":[],"advisors":["Creighton, D. 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These demands are extremely severe for aerospace materials where the necessity for a higher strength-to-weight ratio is complicated by little understood environmental effects. A major consideration when designing structures is the fatigue resistance of available materials. The goals of this investigation were the development of a multiple-specimen fatigue tester and the evaluation of the fatigue properties of commercially pure titanium in a room-temperature air environment. The resulting fatigue tester is capable of simultaneously testing six sheet specimens in reversed bending at speeds up to 2000 cycles per minute. Fatigue properties of 0.035-in. thick commercially pure, grade Ti-75A titanium sheet were evaluated and results are presented in the form of an S-N curve including data for the rolling and transverse directions. These data were analyzed statistically and compared with the results of previous investigations of this type material.\"--Introduction."]},{"key":"dc:source","label":"Dc Source","values":["Digitized a department copy."]},{"key":"dc:title","label":"Title","values":["Development of a multiple-specimen, reversed-flexure fatigue tester and its application to the testing of titanium sheet"]}]}],"canonical_facts":{"dc:contributor.advisor":["Creighton, D. L."],"dc:creator":["Fulks, David George"],"dc:date.accessioned":["2024-02-15T22:09:27Z"],"dc:date.available":["2024-02-15T22:09:27Z"],"dc:date.issued":["1971"],"dc:description.abstract":["\"Advancing technology constantly increases the demands on existing engineering materials. These demands are extremely severe for aerospace materials where the necessity for a higher strength-to-weight ratio is complicated by little understood environmental effects. A major consideration when designing structures is the fatigue resistance of available materials. The goals of this investigation were the development of a multiple-specimen fatigue tester and the evaluation of the fatigue properties of commercially pure titanium in a room-temperature air environment. The resulting fatigue tester is capable of simultaneously testing six sheet specimens in reversed bending at speeds up to 2000 cycles per minute. Fatigue properties of 0.035-in. thick commercially pure, grade Ti-75A titanium sheet were evaluated and results are presented in the form of an S-N curve including data for the rolling and transverse directions. These data were analyzed statistically and compared with the results of previous investigations of this type material.\"--Introduction."],"dc:identifier.doi":["https://doi.org/10.32469/10355/98182"],"dc:identifier.uri":["https://hdl.handle.net/10355/98182"],"dc:language":["English"],"dc:language.iso":["eng"],"dc:publisher":["University of Missouri--Columbia"],"dc:rights":["OpenAccess."],"dc:source":["Digitized a department copy."],"dc:title":["Development of a multiple-specimen, reversed-flexure fatigue tester and its application to the testing of titanium sheet"],"dc:type":["Thesis"],"thesis:degree_discipline":["Mechanical engineering (MU)"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Missouri--Columbia"]},"updated_at":"2026-07-24T03:08:09Z"}