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Detection of the Fracture Path under Tensile Loads through in situ Tests in an ESEM Chamber
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K. Frühmann
Published/Copyright:
June 1, 2005
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.
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Published Online: 2005-06-01
Published in Print: 2003-04-25
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
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