Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Schmid, F; Sommer, G; Rappolt, M; Regitnig, P; Holzapfel, GA; Laggner, P; Amenitsch, H.
Bidirectional tensile testing cell for in situ small angle X-ray scattering investigations of soft tissue
NUCL INSTRUM METH PHYS RES B. 2006; 246: 262-268.
Doi: 10.1016/j.nimb.2005.12.057
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- Co-Autor*innen der Med Uni Graz
- Regitnig Peter
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- Abstract:
- An X-ray cell for the acquisition of one-dimensional mechanical force-displacement diagrams of soft tissue samples has been developed. The combination of X-ray and mechanical data allows new insights into the coupling of the macroscopic behavior and nanoscopic structural changes during the application of load. Two linear mu-translation stages are used to symmetrically - i.e. bidirectionally - stretch the sample. A video-extensometer is installed to record geometrical changes of the sample during measurement which allows to determine true stresses and strains. The sample can be immersed in a liquid and heated. We demonstrate the advantages over common unidirectional tensile testing devices without length measurement systems by comparing different mechanical and diffraction data sets of human arterial tissue. (c) 2006 Elsevier B.V. All rights reserved.
- Find related publications in this database (Keywords)
- tensile testing
- X-ray cell
- soft tissue
- biomechanics
- small angle X-ray diffraction
- small angle X-ray scattering
- SAXD
- SAXS
- artery
- collagen
- fibre diffraction