Health & Environmental Research Online (HERO)


Print Feedback Export to File
7227821 
Journal Article 
Simulation of Isothermal Compression Test 
Matousek, I; Matusek, O; , 
2017 
SPRINGER INTERNATIONAL PUBLISHING AG 
CHAM 
199-205 
WOS:000405128100026 
Paper deals with an issue of computer simulation of glass pressing. Attention is paid to accuracy of numerical outputs. Simple forming process-isothermal compression of a glass cylinder is chosen for virtual modelling. The constitutive behaviour of shaped glass is assumed to be nonlinear viscoelastic, based on general Maxwell model. Both viscoelastic response and relaxation behaviour of samples made of lead crystal are evaluated. Computer outputs are verified with experimental measurements in the viscosity range of 10(7) - 10(10) Pa s. In this paper results at temperature 611 degrees C (corresponding viscosity 107.4 Pa s) and 587 degrees C (viscosity 108 Pa s) are presented. Uniaxial deformation was carried out at various constant pressing rates (in the interval 0.1(-8) mm s(-1)). 
Beran, J; Bilek, M; Zabka, P; 
978-3-319-44086-6 
12th International Conference on the Theory of Machines and Mechanisms 
Liberec, CZECH REPUBLIC