Assessment of heated reverse Taylor cylinder experiments for the calibration of tantalum strength models

Conference item

A series of heated reverse Taylor impact experiments have been undertaken on pure polycrystalline tantalum to investigate the individual and interdependent effects of strain-rate and temperature. Impact velocities and initial temperatures in the ranges 112-185 m/s and 293-954 K were studied. Velocimetry and high-speed imaging were used to record time-resolved deformation of the rods. The data is compared to Lagrangian hydrocode simulations and the performance of three strength models (Steinberg-Guinan, Preston-Tonks-Wallace and the LMS13 multiscale model) are assessed. Overall, the LMS13 model was able to reproduce the deformed rod profile and the velocimetry most accurately.

Authors: Thorington-Jones, B; Whiteman, G; Smith, LC; Chapman, DJ; Eakins, DE

• Publication status: Published
• Peer review status: Peer reviewed
• Publisher: AIP Publishing
• Host title: Shock Compression of Condensed Matter - 2022: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter
• Journal: AIP Conference Proceedings
• Volume: 2844
• Issue: 1
• Pages: 1-6
• Article number: 260012
• Publication date: 2023-09-26
• Event title: 22nd Biennial Conference of the APS Topical Group on Shock Compression of Condensed Matter (SHOCK22)
• Event location: Anaheim, California, USA
• Event website: https://engage.aps.org/gccm/meetings/biennial-2022
• Event start date: 2022-07-10
• Event end date: 2022-07-15
• DOI: 10.1063/12.0020430
• EISSN: 1551-7616
• ISSN: 0094-243X
• ISBN: 9780735442252
• Language: English
• Keywords: polycrystalline material; optical imaging; velocimetry; multiscale methods