RT journal article
T1 Dimensional Analysis of Superplastic Processes with the Buckingham pi Theorem
A1 García Barrachina, Luis
A1 Gámez López, Antonio Juan
A2 Ingeniería Mecánica y Diseño Industrial
K1 superplastic
K1 forming
K1 dimensional
K1 analysis
K1 bulge
K1 tests
K1 Buckingham
K1 theorem
AB This work applies the Buckingham pi theorem from dimensional analysis on superplastic processes in order to obtain laws of behaviour in a simple way. For this reason, a mathematical background is developed. The particular behaviour of superplastic materials makes it necessary to adapt the way in which these are treated, modelling them by a viscosity function of the strain-rate. Then, dimensional analysis is applied on a set of free-inflation tests in order to obtain a formula that defines the forming time as single function of geometric and material variables. Dimensional analysis allows us to reduce the number of variables to analyse from six to only three. Finally, two different forming time estimators are compared to measure the accuracy of our method, showing a significant improvement over previous methods.
PB MDPI
SN 2075-4701
YR 2020
FD 2020-12
LK http://hdl.handle.net/10498/24361
UL http://hdl.handle.net/10498/24361
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 10-may-2026