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https://hdl.handle.net/11147/12729
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Enser, Samed | - |
dc.contributor.author | Güden, Mustafa | - |
dc.contributor.author | Taşdemirci, Alper | - |
dc.contributor.author | Davut, Kemal | - |
dc.date.accessioned | 2023-01-05T12:46:35Z | - |
dc.date.available | 2023-01-05T12:46:35Z | - |
dc.date.issued | 2023-01 | - |
dc.identifier.issn | 0921-5093 | - |
dc.identifier.uri | https://doi.org/10.1016/j.msea.2022.144439 | - |
dc.identifier.uri | https://hdl.handle.net/11147/12729 | - |
dc.description.abstract | The strain rate history effect in a selective laser melt 316L (SLM-316L) alloy was investigated through quasi-static (10−3 s−1) and high strain rate (1600-3200 s−1) interrupted and reloading compression tests. The specimens pre-tested until about prescribed strains at quasi-static and high strain rates were reloaded dynamically and quasi-statically, respectively. The results revealed that the flow stress depended on strain and strain rate as well as strain-rate history. Quasi-static reloading the dynamically pre-tested specimens until about prescribed strains induced a higher flow stress than the specimens tested quasi-statically. The strengthening was ∼70 MPa at 0.11 pre-strain and decreased as the dynamic test pre-strain was increased due to adiabatic heating. On the other side, reloading the quasi-statically pre-tested specimens dynamically at 0.11 pre-strain resulted in ∼60 MPa lower flow stress than the specimens tested dynamically. The grains of the quasi-statically tested specimens until 0.11 strain were shown to have a lower Taylor factor for twinning and geometrically necessary dislocation density, indicating more potential for twinning than dynamically tested specimen. Although, quasi-statically and dynamically tested specimens were deformed predominantly by the twinning induced plasticity, a higher fraction of twin boundaries was shown microscopically in the dynamically pre-tested specimens until 0.11 pre-strain. This phenomenon of boundary strengthening could be used as a tool of strengthening of SLM-316L alloy at low strains. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.relation.ispartof | Materials Science and Engineering A | en_US |
dc.rights | info:eu-repo/semantics/embargoedAccess | en_US |
dc.subject | Compressive flow stress | en_US |
dc.subject | Selective-laser-melt 316L | en_US |
dc.subject | Strain rate history effect | en_US |
dc.subject | Strengthening | en_US |
dc.subject | Twinning | en_US |
dc.title | The Strain Rate History Effect in a Selective-Laser 316l Stainless Steel | en_US |
dc.type | Article | en_US |
dc.authorid | 0000-0002-6232-5498 | - |
dc.authorid | 0000-0001-6397-8418 | - |
dc.authorid | 0000-0002-2926-0661 | - |
dc.authorid | 0000-0002-9860-881X | - |
dc.department | İzmir Institute of Technology. Mechanical Engineering | en_US |
dc.identifier.wos | WOS:000905147200003 | - |
dc.identifier.scopus | 2-s2.0-85143677799 | - |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.doi | 10.1016/j.msea.2022.144439 | - |
dc.relation.issn | 0921-5093 | en_US |
dc.description.volume | 862 | en_US |
dc.identifier.wosquality | Q1 | - |
dc.identifier.scopusquality | Q1 | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
crisitem.author.dept | 01. Izmir Institute of Technology | - |
crisitem.author.dept | 03.10. Department of Mechanical Engineering | - |
crisitem.author.dept | 03.10. Department of Mechanical Engineering | - |
crisitem.author.dept | 03.09. Department of Materials Science and Engineering | - |
Appears in Collections: | Mechanical Engineering / Makina Mühendisliği Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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1-s2.0-S0921509322018196-main.pdf | Article File | 11.45 MB | Adobe PDF | View/Open |
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