The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis
The determination of the dynamic response of titanium alloys is vital for aerospace industrial applications. The present research investigates the effect of strain history and temperature on the dynamic strain localization in Ti-6Al-4V grade-5 alloy. The experimental campaign was conducted using a S...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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EDP Sciences
2021-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_01032.pdf |
| _version_ | 1818589017241812992 |
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| author | Gour Govind Thomson Daniel Nik Petrinic Julian Reed Pellegrino Antonio |
| author_facet | Gour Govind Thomson Daniel Nik Petrinic Julian Reed Pellegrino Antonio |
| author_sort | Gour Govind |
| collection | DOAJ |
| description | The determination of the dynamic response of titanium alloys is vital for aerospace industrial applications. The present research investigates the effect of strain history and temperature on the dynamic strain localization in Ti-6Al-4V grade-5 alloy. The experimental campaign was conducted using a Split Hopkinson Tensile Bar (SHTB) equipped with an ultra-highspeed camera. The characterization of the material is highly affected once necking occurs. The true dynamic response is compared for various loading conditions. Furthermore, in order to provide insights about on the local dynamic behavior, a numerical model is established using LSDYNAExplicit solver for monotonic loading conditions. Different constitutive material models are compared, including the phenomenological material model Johnson-Cook, and physically based model, Modified BammanChiesa-Johnson (BCJ). |
| first_indexed | 2024-12-16T09:33:57Z |
| format | Article |
| id | doaj.art-e5567e8aac834376818f3eb3c9994552 |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-12-16T09:33:57Z |
| publishDate | 2021-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-e5567e8aac834376818f3eb3c99945522022-12-21T22:36:27ZengEDP SciencesEPJ Web of Conferences2100-014X2021-01-012500103210.1051/epjconf/202125001032epjconf_dymat2021_01032The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysisGour Govind0Thomson Daniel1Nik Petrinic Julian Reed2Pellegrino Antonio3Department of Engineering Science, University of OxfordDepartment of Engineering Science, University of OxfordDepartment of Engineering Science, University of OxfordDepartment of Engineering Science, University of OxfordThe determination of the dynamic response of titanium alloys is vital for aerospace industrial applications. The present research investigates the effect of strain history and temperature on the dynamic strain localization in Ti-6Al-4V grade-5 alloy. The experimental campaign was conducted using a Split Hopkinson Tensile Bar (SHTB) equipped with an ultra-highspeed camera. The characterization of the material is highly affected once necking occurs. The true dynamic response is compared for various loading conditions. Furthermore, in order to provide insights about on the local dynamic behavior, a numerical model is established using LSDYNAExplicit solver for monotonic loading conditions. Different constitutive material models are compared, including the phenomenological material model Johnson-Cook, and physically based model, Modified BammanChiesa-Johnson (BCJ).https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_01032.pdf |
| spellingShingle | Gour Govind Thomson Daniel Nik Petrinic Julian Reed Pellegrino Antonio The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis EPJ Web of Conferences |
| title | The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis |
| title_full | The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis |
| title_fullStr | The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis |
| title_full_unstemmed | The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis |
| title_short | The effect of strain history on dynamic necking in titanium alloys, experimental and numerical analysis |
| title_sort | effect of strain history on dynamic necking in titanium alloys experimental and numerical analysis |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_01032.pdf |
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