from the conferences organized by TANGER Ltd. provisional website
The paper deals with the development of new clamping jaws which are designed for static tensile tests of miniature test specimens. The jaws are used to hold specimen of dimensions 2 x 1 - 20 mm. During the static tensile tests, there were problems with the measurement of longitudinal deformation by laser extensometer what caused unreliable stress vs. elongation curve. For the deformation measurement, an extensometer Zwick/Roell laserXtens was used. In the paper, three development levels of mechanical grips that were designed at Mechanical testing laboratory of the Regional Technological Institute (Faculty of Mechanical Engineering, University of West Bohemia) are described.Keywords: Longitudinal deformation, miniature test specimen, clamping jaws, laser Xtens
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