Advanced search
1 file | 214.51 KB

3D imaging of clay minerals inside sandstone: pushing the spatial resolution limits using ptychographic tomography

Author
Organization
Abstract
Characterization of microporous, clay-sized particles in natural stone is essential for the understanding of their dynamics. These processes are importand in the fields of oil and gas, groundwater, building stone weathering and soil science. Methods such as X-ray micro-computed tomography is an excellent tool to study features larger than or just under 1 μm, but below the 400 nm limit, the technique falls short. Although destructive methods exists (e.g. FIB/SEM), non-destructive imaging at these very high resolutions has been impossible, until recent developments at synchrotron beam lines. In this study, we use ptychographic tomography at the cSAXS beam line of the PSI in Switzerland, for imaging of clay microstructure at resolutions down to 45 nm, which is the first application of ptychographic tomography for geological samples to our knowledge. During these experiments, relative humidity of the sample’s environment was controlled, in order to asses the influence of R.H. on the analyzed clay minerals. Based on these images, quantitative data on mineral content, porosity, connectivity and behavior under changing environmental conditions of clay mineral clusters was acquired.
Keywords
Tomography, Ptychography, Clays, X-ray Scattering

Downloads

  • 661-664 p. doc-010-302-WDeboever.pdf
    • full text
    • |
    • open access
    • |
    • PDF
    • |
    • 214.51 KB

Citation

Please use this url to cite or link to this publication:

Chicago
De Boever, Wesley, Hannelore Derluyn, Jeroen Van Stappen, Jan Dewanckele, Tom Bultreys, Matthieu Boone, Thomas De Schryver, et al. 2015. “3D Imaging of Clay Minerals Inside Sandstone: Pushing the Spatial Resolution Limits Using Ptychographic Tomography.” In Tomography of Materials and Structures, 2nd International Conference, Proceedings, ed. Bernard Long, 661–664.
APA
De Boever, W., Derluyn, H., Van Stappen, J., Dewanckele, J., Bultreys, T., Boone, M., De Schryver, T., et al. (2015). 3D imaging of clay minerals inside sandstone: pushing the spatial resolution limits using ptychographic tomography. In Bernard Long (Ed.), Tomography of Materials and Structures, 2nd International conference, Proceedings (pp. 661–664). Presented at the 2nd International conference on Tomography of Materials and Structures (ICTMS 2015).
Vancouver
1.
De Boever W, Derluyn H, Van Stappen J, Dewanckele J, Bultreys T, Boone M, et al. 3D imaging of clay minerals inside sandstone: pushing the spatial resolution limits using ptychographic tomography. In: Long B, editor. Tomography of Materials and Structures, 2nd International conference, Proceedings. 2015. p. 661–4.
MLA
De Boever, Wesley, Hannelore Derluyn, Jeroen Van Stappen, et al. “3D Imaging of Clay Minerals Inside Sandstone: Pushing the Spatial Resolution Limits Using Ptychographic Tomography.” Tomography of Materials and Structures, 2nd International Conference, Proceedings. Ed. Bernard Long. 2015. 661–664. Print.
@inproceedings{7077391,
  abstract     = {Characterization of microporous, clay-sized particles in natural stone is essential for the understanding of their dynamics. These processes are importand in the fields of oil and gas, groundwater, building stone weathering and soil science. Methods such as X-ray micro-computed tomography is an excellent tool to study features larger than or just under 1 \ensuremath{\mu}m, but below the 400 nm limit, the technique falls short. Although destructive methods exists (e.g. FIB/SEM), non-destructive imaging at these very high resolutions has been impossible, until recent developments at synchrotron beam lines.
In this study, we use ptychographic tomography at the cSAXS beam line of the PSI in Switzerland, for imaging of clay microstructure at resolutions down to 45 nm, which is the first application of ptychographic tomography for geological samples to our knowledge. During these experiments, relative humidity of the sample{\textquoteright}s environment was controlled, in order to asses the influence of R.H. on the analyzed clay minerals. Based on these images, quantitative data on mineral content, porosity, connectivity and behavior under changing environmental conditions of clay mineral clusters was acquired.},
  author       = {De Boever, Wesley and Derluyn, Hannelore and Van Stappen, Jeroen and Dewanckele, Jan and Bultreys, Tom and Boone, Matthieu and De Schryver, Thomas and De Kock, Tim and Skjonsfjell, ETB and Diaz, Ana and Holler, Mirko and Cnudde, Veerle},
  booktitle    = {Tomography of Materials and Structures, 2nd International conference, Proceedings},
  editor       = {Long, Bernard},
  isbn         = {9782891468473},
  keyword      = {Tomography,Ptychography,Clays,X-ray Scattering},
  language     = {eng},
  location     = {Qu{\'e}bec, QB, Canada},
  pages        = {661--664},
  title        = {3D imaging of clay minerals inside sandstone: pushing the spatial resolution limits using ptychographic tomography},
  year         = {2015},
}