Proceedings Vol. 12 (2006)
ENGINEERING MECHANICS 2006
May 15 – 18, 2006, Svratka, Czech Republic
Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 78 - +4p., full text
An original method for the strain, strain rate and stress intensity of the torsion test has been developed. This method replaces "classical" one - based on the Cauchy's geometrical equations. The method has been based on a considering of a fictive circle - which is thought on the surface of the cylindrical specimen. The circle transforms - due to straining - into fictive ellipse its major axis and minor axis serves for principal strains and stresses calculation. A strain gage is able to serve for the strain state quantification.
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