Influence of Gage Length on Miniature Tensile Characterization of Powder Bed Fabricated 304L Stainless Steel

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dc.creatorKarnati, S.
dc.creatorHoerchler, J.L.
dc.creatorLiou, F.
dc.creatorNewkirk, J.W.
dc.date.accessioned2021-11-02T15:03:15Z
dc.date.available2021-11-02T15:03:15Z
dc.date.issued2017
dc.description.abstractMiniature tensile specimens with varying aspect ratios were fabricated from 304L stainless steel (SS) made using powder bed additive manufacturing (AM) process. The tensile characteristics measured from these specimens were analyzed to assess the impact of gage length. The study found no impact upon varying gage length on yield and ultimate strength measurements. However, a significant impact was observed on strain measurements. This data was also used to perform Weibull statistics to estimate the stochastic performance of the material. Fractography was performed to visually identify the types of flaws. A comparative study with specimens fabricated from cold rolled annealed 304 SS was also performed. The Weibull parameters were used to compare the variability within cold rolled annealed and AM 304L SS. This study indicates miniature tensile testing is a robust characterization technique for obtaining representative material properties.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/89821
dc.language.isoengen_US
dc.publisherUniversity of Texas at Austinen_US
dc.relation.ispartof2017 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subject304Len_US
dc.subjectstainless steelen_US
dc.subjectminiature tensile specimensen_US
dc.subjecttensile strengthen_US
dc.subjectgage lengthen_US
dc.subjectpowder bed additive manufacturingen_US
dc.titleInfluence of Gage Length on Miniature Tensile Characterization of Powder Bed Fabricated 304L Stainless Steelen_US
dc.typeConference paperen_US

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