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Title: Controlling shockwave dynamics using architecture in periodic porous materials

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4978910· OSTI ID:1414094

Additive manufacturing (AM) is an attractive approach for the design and fabrication of structures capable of achieving controlled mechanical response of the underlying deformation mechanisms. While there are numerous examples illustrating how the quasi-static mechanical responses of polymer foams have been tailored by additive manufacturing, there is limited understanding of the response of these materials under shockwave compression. Dynamic compression experiments coupled with time-resolved X-ray imaging were performed to obtain insights into the in situ evolution of shockwave coupling to porous, periodic polymer foams. We further demonstrate shock wave modulation or “spatially graded-flow” in shock-driven experiments via the spatial control of layer symmetries afforded by additive manufacturing techniques at the micron scale.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1414094
Report Number(s):
LA-UR-16-25916; TRN: US1800628
Journal Information:
Journal of Applied Physics, Vol. 121, Issue 13; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (5)

Quantitative In Situ Studies of Dynamic Fracture in Brittle Solids Using Dynamic X-ray Phase Contrast Imaging journal September 2018
Effect of particle packing and density on shock response in ordered arrays of Ni + Al nanoparticles journal January 2019
Real-time tracking of single shockwaves via amplified time-stretch imaging journal April 2018
Ultra-high-speed indirect x-ray imaging system with versatile spatiotemporal sampling capabilities journal January 2018
In situ dynamic compression wave behavior in additively manufactured lattice materials journal October 2018