What is it about?
Explosives that are produced by 3D printing have internal voids, either purposely introduced or through artifacts of the process, that interact and affect the detonation characteristics of the explosive. This work images the interplay of these voids that are purposely placed in regular alignment to each other.
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Photo by Greg Rosenke on Unsplash
Why is it important?
The application of Additive Manufacturing (AM), also known as 3D printing, to High Explosive (HE) materials provides many advantages to traditional manufacturing in safety, environmental and performance. The method itself introduces artifacts in to the material, both purposefully introduced as well as unintended, that need to be better understood in order to maximize the performance of the fabricated part, and to exploit these effects for new capabilities. This manuscript highlights the application of a bench-top flash x-ray technique developed at Los Alamos National Lab to give insights as to what is happening inside of the explosive as it is detonating, allowing us to study these extremely fast interactions.
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This page is a summary of: Flash x-ray radiography analysis of detonation wave propagation in additive-manufactured high explosives, Journal of Applied Physics, May 2023, American Institute of Physics,
DOI: 10.1063/5.0146540.
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