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In this work, a comparative experimental assessment of different specimen geometries designed to represent uniaxial tension and shear-dominated stress states in DP1000 is presented. A Smiley shear specimen and two mini-shear specimens with 0\u2005mm (\u2018MiniShear0\u2019) and \u22121\u2005mm (\u2018MiniShear-1\u2019) offsets were used to represent shear loading conditions. For uniaxial tension, conventional Dogbone specimens and Central Hole specimens manufactured through laser cutting and electro-discharge machining were tested. Digital Image Correlation (DIC) was employed to analyze strain-field evolution, strain-path stability, and deformation proportionality throughout loading up to the assumed fracture initiation point. The results highlight significant differences between specimen geometries in terms of stress-state stability. Among the uniaxial tension stress state, the Dogbone specimen exhibited the most stable and proportional strain-path evolution, closely approaching ideal uniaxial tension conditions. For shear-dominated loading, while all shear specimens converged toward low stress triaxiality, the mini-shear geometries showed the most homogeneous strain-field behavior.<\/jats:p>","DOI":"10.1177\/14644207261419093","type":"journal-article","created":{"date-parts":[[2026,2,18]],"date-time":"2026-02-18T18:06:21Z","timestamp":1771437981000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Ductile fracture characterization of DP1000 sheet steel: Benchmarking of specimen geometries"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4630-3843","authenticated-orcid":false,"given":"Rui","family":"Pereira","sequence":"first","affiliation":[{"name":"Campus de Azur\u00e9m Universidade do Minho, Alameda da Universidade"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7956-3628","authenticated-orcid":false,"given":"Nuno","family":"Peixinho","sequence":"additional","affiliation":[{"name":"Campus de Azur\u00e9m Universidade do Minho, Alameda da Universidade"}]},{"given":"S\u00e9rgio L.","family":"Costa","sequence":"additional","affiliation":[{"name":"Bairrimoldes Lda, Anadia, Portugal"}]}],"member":"179","published-online":{"date-parts":[[2026,2,18]]},"reference":[{"key":"e_1_3_3_2_2","first-page":"1827","article-title":"Metal matrix composites for sustainable products: a review on current development","volume":"238","author":"Gupta PK","year":"2024","unstructured":"Gupta PK, Trivedi AK, Gupta MK, et al. 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