On compression and damage evolution in two thermoplastics
Abstract
The well-known Taylor cylinder impact test, which follows the impact of a flat-ended cylindrical rod onto a rigid stationary anvil, is conducted over a range of impact speeds for two polymers, polytetrafluoroethylene (PTFE) and polyetheretherketone (PEEK). In previous work, experiments and a model were developed to capture the deformation behaviour of the cylinder after impact. These works showed a region in which spatial and temporal variation of both longitudinal and radial deformation provided evidence of changes in phase within the material. In this further series of experiments, this region is imaged in a range of impacted targets at the Diamond synchrotron. Further techniques were fielded to resolve compressed regions within the recovered polymer cylinders that showed a fracture zone in the impact region. The combination of macroscopic high-speed photography and three-dimensional X-ray imaging has identified the development of failure with these polymers and shown that there is no abrupt transition in behaviours but rather a continuous range of responses to competing operating mechanisms. The behaviours noted in PEEK in these polymers show critical gaps in understanding of polymer high strain-rate response.
- Authors:
-
- Univ. of Manchester (United Kingdom)
- Univ. of Manchester (United Kingdom); Defence Science and Technology Organisation, Adelaide (Australia)
- Science and Technology Facilities Council (STFC), Harwell Campus, Oxford (United Kingdom). Diamond Light Source, Ltd.
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
- OSTI Identifier:
- 1414106
- Report Number(s):
- LA-UR-17-22185
Journal ID: ISSN 1364-5021; TRN: US1800636
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences
- Additional Journal Information:
- Journal Volume: 473; Journal Issue: 2197; Journal ID: ISSN 1364-5021
- Publisher:
- The Royal Society Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Bourne, N. K., Garcea, S. C., Eastwood, D. S., Parry, S., Rau, C., Withers, P. J., McDonald, S. A., and Brown, E. N. On compression and damage evolution in two thermoplastics. United States: N. p., 2017.
Web. doi:10.1098/rspa.2016.0495.
Bourne, N. K., Garcea, S. C., Eastwood, D. S., Parry, S., Rau, C., Withers, P. J., McDonald, S. A., & Brown, E. N. On compression and damage evolution in two thermoplastics. United States. https://doi.org/10.1098/rspa.2016.0495
Bourne, N. K., Garcea, S. C., Eastwood, D. S., Parry, S., Rau, C., Withers, P. J., McDonald, S. A., and Brown, E. N. Wed .
"On compression and damage evolution in two thermoplastics". United States. https://doi.org/10.1098/rspa.2016.0495. https://www.osti.gov/servlets/purl/1414106.
@article{osti_1414106,
title = {On compression and damage evolution in two thermoplastics},
author = {Bourne, N. K. and Garcea, S. C. and Eastwood, D. S. and Parry, S. and Rau, C. and Withers, P. J. and McDonald, S. A. and Brown, E. N.},
abstractNote = {The well-known Taylor cylinder impact test, which follows the impact of a flat-ended cylindrical rod onto a rigid stationary anvil, is conducted over a range of impact speeds for two polymers, polytetrafluoroethylene (PTFE) and polyetheretherketone (PEEK). In previous work, experiments and a model were developed to capture the deformation behaviour of the cylinder after impact. These works showed a region in which spatial and temporal variation of both longitudinal and radial deformation provided evidence of changes in phase within the material. In this further series of experiments, this region is imaged in a range of impacted targets at the Diamond synchrotron. Further techniques were fielded to resolve compressed regions within the recovered polymer cylinders that showed a fracture zone in the impact region. The combination of macroscopic high-speed photography and three-dimensional X-ray imaging has identified the development of failure with these polymers and shown that there is no abrupt transition in behaviours but rather a continuous range of responses to competing operating mechanisms. The behaviours noted in PEEK in these polymers show critical gaps in understanding of polymer high strain-rate response.},
doi = {10.1098/rspa.2016.0495},
journal = {Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences},
number = 2197,
volume = 473,
place = {United States},
year = {Wed Jan 18 00:00:00 EST 2017},
month = {Wed Jan 18 00:00:00 EST 2017}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
PEEK surface modification by fast ambient-temperature sulfonation for bone implant applications
journal, March 2019
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- Journal of The Royal Society Interface, Vol. 16, Issue 152