| Issue |
EPJ Web of Conferences
Volume 94, 2015
DYMAT 2015 - 11th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 02019 | |
| Number of page(s) | 4 | |
| Section | Microstructural Effects | |
| DOI | https://doi.org/10.1051/epjconf/20159402019 | |
| Published online | 07 September 2015 | |
https://doi.org/10.1051/epjconf/20159402019
Strain rate dependency of laser sintered polyamide 12
1 Department of Engineering Science,University of Oxford, Parks Road, Oxford, UK
2 Additive Manufacturing & 3D-Printing Research Group, School of Engineering, University of Nottingham, Nottingham, UK
a Corresponding author: james.cook@eng.ox.ac.uk
Published online: 7 September 2015
Parts processed by Additive Manufacturing can now be found across a wide range of applications, such as those in the aerospace and automotive industry in which the mechanical response must be optimised. Many of these applications are subjected to high rate or impact loading, yet it is believed that there is no prior research on the strain rate dependence in these materials. This research investigates the effect of strain rate and laser energy density on laser sintered polyamide 12. In the study presented here, parts produced using four different laser sintered energy densities were exposed to uniaxial compression tests at strain rates ranging from 10−3 to 10+3 s−1 at room temperature, and the dependence on these parameters is presented.
© Owned by the authors, published by EDP Sciences, 2015
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