{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/70127"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/70127","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Creep-Fatigue Interaction of Notched 304 Stainless Steel Bars","abstract":"Circular-notched and sharp-notched 304 stainless steel specimens were subjected to constant load creep, cyclic loading with hold-time and fatigue loadings at 650(DEGREES)C to determine the lives, failure modes and to understand creep-fatigue interaction mechanisms. The hold-times are one minute and ten minutes. Double-notch specimens were used so that the material under semi-damaged condition in one notch can be examined when the other is broken. Stress analysis, life prediction and microstructure studies were carried out.","abstract_html":"Circular-notched and sharp-notched 304 stainless steel specimens were subjected to constant load creep, cyclic loading with hold-time and fatigue loadings at 650(DEGREES)C to determine the lives, failure modes and to understand creep-fatigue interaction mechanisms. The hold-times are one minute and ten minutes. Double-notch specimens were used so that the material under semi-damaged condition in one notch can be examined when the other is broken. Stress analysis, life prediction and microstructure studies were carried out.","abstract_has_math":false,"creators":["Wu, Kuang-Hsi"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T21:41:16Z","date_published":"2014-12-15T21:41:16Z","updated_at":"2026-07-22T22:26:02Z","subjects":["Engineering, Mechanical"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8502349"],"render_values":[{"text":"(UMI)AAI8502349","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/70127","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Wu, Kuang-Hsi"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T21:41:16Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical 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, Mechanical"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/70127","(UMI)AAI8502349"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Circular-notched and sharp-notched 304 stainless steel specimens were subjected to constant load creep, cyclic loading with hold-time and fatigue loadings at 650(DEGREES)C to determine the lives, failure modes and to understand creep-fatigue interaction mechanisms. The hold-times are one minute and ten minutes. Double-notch specimens were used so that the material under semi-damaged condition in one notch can be examined when the other is broken. Stress analysis, life prediction and microstructure studies were carried out.","It was found that for circular-notched specimens, creep failure mechanism predominates and no creep-fatigue interaction takes place. Cyclic loadings have a beneficial effect of prolonging the specimen life at a very short hold-time loading. Fracture initiates from the center of the specimen, except at very high frequency tests. For sharp-notched specimens strong creep-fatigue interaction occurs at short hold-time tests and the lives of specimens are reduced significantly. At a long hold-time the interaction effect is minor. Fracture of all specimens initiates from the notch root.","Made available in DSpace on 2014-12-15T21:41:16Z (GMT). No. of bitstreams: 1 8502349.pdf: 7906980 bytes, checksum: ef3fd991006df95d152cc24f57565fe5 (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 70293 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","236 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."]},{"key":"dc:title","label":"Title","values":["Creep-Fatigue Interaction of Notched 304 Stainless Steel Bars"]}]}],"canonical_facts":{"dc:creator":["Wu, Kuang-Hsi"],"dc:date":["2014-12-15T21:41:16Z","10000-01-01","1984"],"dc:description":["Circular-notched and sharp-notched 304 stainless steel specimens were subjected to constant load creep, cyclic loading with hold-time and fatigue loadings at 650(DEGREES)C to determine the lives, failure modes and to understand creep-fatigue interaction mechanisms. The hold-times are one minute and ten minutes. Double-notch specimens were used so that the material under semi-damaged condition in one notch can be examined when the other is broken. Stress analysis, life prediction and microstructure studies were carried out.","It was found that for circular-notched specimens, creep failure mechanism predominates and no creep-fatigue interaction takes place. Cyclic loadings have a beneficial effect of prolonging the specimen life at a very short hold-time loading. Fracture initiates from the center of the specimen, except at very high frequency tests. For sharp-notched specimens strong creep-fatigue interaction occurs at short hold-time tests and the lives of specimens are reduced significantly. At a long hold-time the interaction effect is minor. Fracture of all specimens initiates from the notch root.","Made available in DSpace on 2014-12-15T21:41:16Z (GMT). No. of bitstreams: 1 8502349.pdf: 7906980 bytes, checksum: ef3fd991006df95d152cc24f57565fe5 (MD5) Previous issue date: 1984","Embargo set by: Seth Robbins for item 70293 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","236 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984."],"dc:identifier":["http://hdl.handle.net/2142/70127","(UMI)AAI8502349"],"dc:subject":["Engineering, Mechanical"],"dc:title":["Creep-Fatigue Interaction of Notched 304 Stainless Steel Bars"],"dc:type":["text"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:02Z"}