The highly transient nature of shock loading and pronounced microstructure effects on dynamic materials response call for in situ, temporally and spatially resolved, x-ray-based diagnostics. Third-generation synchrotron x-ray sources are advantageous for x-ray phase contrast imaging (PCI) and diffraction under dynamic loading, due to their high photon fluxes, high coherency, and high pulse repetition rates. The feasibility of bulk-scale gas gun shock experiments with dynamic x-ray PCI and diffraction measurements was investigated at the beamline 32ID-B of the Advanced Photon Source. The x-ray beam characteristics, experimental setup, x-ray diagnostics, and static and dynamic test results are described. We demonstrate ultrafast, multiframe, single-pulse PCI measurements with unprecedented temporal (<100 ps) and spatial (∼2 μm) resolutions for bulk-scale shock experiments, as well as single-pulse dynamic Laue diffraction. The results not only substantiate the potential of synchrotron-based experiments for addressing a variety of shock physics problems, but also allow us to identify the technical challenges related to image detection, x-ray source, and dynamic loading.
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July 2012
Research Article|
July 12 2012
Gas gun shock experiments with single-pulse x-ray phase contrast imaging and diffraction at the Advanced Photon Source
S. N. Luo;
S. N. Luo
a)
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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B. J. Jensen;
B. J. Jensen
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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D. E. Hooks;
D. E. Hooks
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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K. Fezzaa;
K. Fezzaa
2Advanced Photon Source,
Argonne National Laboratory
, Argonne, Illinois 60439, USA
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K. J. Ramos;
K. J. Ramos
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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J. D. Yeager;
J. D. Yeager
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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K. Kwiatkowski;
K. Kwiatkowski
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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T. Shimada
T. Shimada
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
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S. N. Luo
1,a)
B. J. Jensen
1
D. E. Hooks
1
K. Fezzaa
2
K. J. Ramos
1
J. D. Yeager
1
K. Kwiatkowski
1
T. Shimada
1
1
Los Alamos National Laboratory
, Los Alamos, New Mexico 87545, USA
2Advanced Photon Source,
Argonne National Laboratory
, Argonne, Illinois 60439, USA
Rev. Sci. Instrum. 83, 073903 (2012)
Article history
Received:
April 26 2012
Accepted:
June 21 2012
Citation
S. N. Luo, B. J. Jensen, D. E. Hooks, K. Fezzaa, K. J. Ramos, J. D. Yeager, K. Kwiatkowski, T. Shimada; Gas gun shock experiments with single-pulse x-ray phase contrast imaging and diffraction at the Advanced Photon Source. Rev. Sci. Instrum. 1 July 2012; 83 (7): 073903. https://doi.org/10.1063/1.4733704
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