K. Frühmann, I. Burgert, S. E. Stanzl-Tschegg
Detection of the Fracture Path under Tensile Loads
through in situ Tests in an ESEM Chamber
Summary
In situ tensile tests parallel to the grain were carried out in an Environmental Scanning Electron
Microscope (ESEM) chamber on Norway spruce (Picea abies [L.] Karst.) samples. The ESEM-mode
combined with a cooling device allowed examination of the specimens at a moisture content
of 12% with unsputtered surfaces. By recording load-displacement curves and observing crack
propagation simultaneously, a detailed image of fracture progress and tissue interaction could be
described. Since these experiments required a sufficient specimen size and geometry, focus was
concentrated on the methodology.
Holzforschung, Walter de Gruyter
Print ISSN: 0018-3830
Volume: 57, 04/2003
Pages: 326 - 332
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