Experimental Material Characterization for Mechanical Properties Validation for 304L Stainless Steel

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dc.contributor.advisorNoriega Motta, Julio A.
dc.contributor.authorSaavedra Hernández, Luis F.
dc.date.accessioned2026-08-10T16:42:33Z
dc.date.issued2026
dc.descriptionDesign Project Article for the Graduate Programs at the Polytechnic University of Puerto Rico. Includes a graduate project poster summarizing the research through concise text and visuals derived from the same study.
dc.description.abstractThis graduate project presents an experimental characterization of the mechanical properties of aerospace-grade 304L stainless steel plate. Non-welded base-metal specimens and TIG-welded specimens were prepared and tested in accordance with ASTM E8 at room temperature and under simulated cryogenic conditions achieved through CO₂ cooling. The investigation focused on yield strength, ultimate tensile strength, and elongation, with particular attention to the effects of welding and low-temperature exposure. Austenitic stainless steels such as 304L are widely used in cryogenic applications because they retain excellent ductility at very low temperatures. The results obtained in the PUPR Materials Laboratory provide original laboratory data that support quality-assurance practices for safety-critical components such as cryogenic propellant tanks and hydraulic systems in aerospace systems.
dc.identifier.citationSaavedra Hernández, L. F. (2026). Experimental Material Characterization for Mechanical Properties Validation for 304L Stainless Steel [Graduate project poster]. Graduate School, Polytechnic University of Puerto Rico. Puerto Rico Cloud Repository (PRCR). https://hdl.handle.net/20.500.12475/3398
dc.identifier.urihttps://hdl.handle.net/20.500.12475/3398
dc.language.isoen
dc.publisherPolytechnic University of Puerto Rico
dc.relation.haspartGraduate project poster derived from the article (PUPR_CEAH_SJU_SP26_MECH_Luis Saavedra_Poster.pdf).
dc.relation.ispartofArchivo Histórico de la Universidad Politécnica: Fondo Documental y Fotográfico
dc.relation.ispartofseriesSerie: San Juan Campus Records
dc.relation.ispartofseriesVice Presidency of Innovation in Academic Affairs
dc.relation.ispartofseriesGraduate School
dc.relation.ispartofseriesMechanical Engineering Program
dc.relation.ispartofseriesSpring-2026
dc.rights.holderPolytechnic University of Puerto Rico, Graduate School
dc.rights.licenseAll rights reserved
dc.sourceUniversidad Politécnica de Puerto Rico. Biblioteca. Colecciones Especiales y Archivo Histórico
dc.subject304L Stainless Steel
dc.subjectAerospace Materials
dc.subjectCryogenic Simulation
dc.subjectMechanical Characterization
dc.subjectTensile Testing
dc.subjectTIG Welding
dc.subject.otherPolytechnic University of Puerto Rico--Graduate students--Posters
dc.subject.otherPolytechnic University of Puerto Rico--Graduate students--Research
dc.subject.otherPolytechnic University of Puerto Rico--Subject headings--Unassigned
dc.titleExperimental Material Characterization for Mechanical Properties Validation for 304L Stainless Steel
dc.typeArticle
dc.typePoster

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