Simultaneous, single-pulse, synchrotron x-ray imaging and diffraction under gas gun loading
- The Peac Institute of Multiscale Sciences, Sichuan (People's Republic of China); Southwest Jiaotong Univ., Sichuan (People's Republic of China)
- The Peac Institute of Multiscale Sciences, Sichuan (People's Republic of China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
We develop a mini gas gun system for simultaneous, single-pulse, x-ray diffraction and imaging under high strain-rate loading at the beamline 32-ID of the Advanced Photon Source. In order to increase the reciprocal space covered by a small-area detector, a conventional target chamber is split into two chambers: a narrowed measurement chamber and a relief chamber. The gas gun impact is synchronized with synchrotron x-ray pulses and high-speed cameras. Depending on a camera’s capability, multiframe imaging and diffraction can be achieved. The proof-of-principle experiments are performed on single-crystal sapphire. The diffraction spots and images during impact are analyzed to quantify lattice deformation and fracture; fracture is dominated by splitting cracks followed by wing cracks, and diffraction peaks are broadened likely due to mosaic spread. Our results demonstrate the potential of such multiscale measurements for studying high strain-rate phenomena at dynamic extremes.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); National Basic Research Program of China
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1350081
- Alternate ID(s):
- OSTI ID: 1371917
- Journal Information:
- Review of Scientific Instruments, Vol. 87, Issue 5; ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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