Dynamic high-temperature Kolsky tension bar techniques
Kolsky tension bar techniques were modified for dynamic high-temperature tensile characterization of thin-sheet alloys. An induction coil heater was used to heat the specimen while a cooling system was applied to keep the bars at room temperature during heating. A preload system was developed to gen...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2015-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | http://dx.doi.org/10.1051/epjconf/20159401066 |
| _version_ | 1819145674787127296 |
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| author | Song Bo Nelson Kevin Lipinski Ronald Bignell John Ulrich G.B. George E.P. |
| author_facet | Song Bo Nelson Kevin Lipinski Ronald Bignell John Ulrich G.B. George E.P. |
| author_sort | Song Bo |
| collection | DOAJ |
| description | Kolsky tension bar techniques were modified for dynamic high-temperature tensile characterization of thin-sheet alloys. An induction coil heater was used to heat the specimen while a cooling system was applied to keep the bars at room temperature during heating. A preload system was developed to generate a small pretension load in the bar system during heating in order to compensate for the effect of thermal expansion generated in the high-temperature tensile specimen. A laser system was applied to directly measure the displacements at both ends of the tensile specimen in order to calculate the strain in the specimen. A pair of high-sensitivity semiconductor strain gages was used to measure the weak transmitted force due to the low flow stress in the thin specimen at elevated temperatures. As an example, the high-temperature Kolsky tension bar was used to characterize a DOP-26 iridium alloy in high-strain-rate tension at 860 s−1/1030 ∘C. |
| first_indexed | 2024-12-22T13:01:47Z |
| format | Article |
| id | doaj.art-b5a047b8898a426f8fc8d054d998d4df |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-12-22T13:01:47Z |
| publishDate | 2015-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-b5a047b8898a426f8fc8d054d998d4df2022-12-21T18:24:59ZengEDP SciencesEPJ Web of Conferences2100-014X2015-01-01940106610.1051/epjconf/20159401066epjconf-dymat2015_01066Dynamic high-temperature Kolsky tension bar techniquesSong Bo0Nelson Kevin1Lipinski Ronald2Bignell John3Ulrich G.B.4George E.P.5Sandia National LaboratoriesSandia National LaboratoriesSandia National LaboratoriesSandia National LaboratoriesOak Ridge National LaboratoryOak Ridge National LaboratoryKolsky tension bar techniques were modified for dynamic high-temperature tensile characterization of thin-sheet alloys. An induction coil heater was used to heat the specimen while a cooling system was applied to keep the bars at room temperature during heating. A preload system was developed to generate a small pretension load in the bar system during heating in order to compensate for the effect of thermal expansion generated in the high-temperature tensile specimen. A laser system was applied to directly measure the displacements at both ends of the tensile specimen in order to calculate the strain in the specimen. A pair of high-sensitivity semiconductor strain gages was used to measure the weak transmitted force due to the low flow stress in the thin specimen at elevated temperatures. As an example, the high-temperature Kolsky tension bar was used to characterize a DOP-26 iridium alloy in high-strain-rate tension at 860 s−1/1030 ∘C.http://dx.doi.org/10.1051/epjconf/20159401066 |
| spellingShingle | Song Bo Nelson Kevin Lipinski Ronald Bignell John Ulrich G.B. George E.P. Dynamic high-temperature Kolsky tension bar techniques EPJ Web of Conferences |
| title | Dynamic high-temperature Kolsky tension bar techniques |
| title_full | Dynamic high-temperature Kolsky tension bar techniques |
| title_fullStr | Dynamic high-temperature Kolsky tension bar techniques |
| title_full_unstemmed | Dynamic high-temperature Kolsky tension bar techniques |
| title_short | Dynamic high-temperature Kolsky tension bar techniques |
| title_sort | dynamic high temperature kolsky tension bar techniques |
| url | http://dx.doi.org/10.1051/epjconf/20159401066 |
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