Metalurgija, Vol. 50 No. 2, 2011.
Izvorni znanstveni članak
Approximation model of the stress-strain curve for deformation of aluminium alloys
J. Horsinka
; Faculty of Metallurgy and Materials Engineering, VŠB-TU Ostrava, Czech Republic
J. Kliber
; Faculty of Metallurgy and Materials Engineering, VŠB-TU Ostrava, Czech Republic
K. Drozd
; Faculty of Metallurgy and Materials Engineering, VŠB-TU Ostrava, Czech Republic
I. Mamuzić
; University of Zagreb, Zagreb, Croatia
Sažetak
The main purpose of this paper is to give a mathematical description of flow stress of examined aluminium alloys on the basis of upsetting tests perdormed in a servohydraulic plastomer. Deformation curves have been described by means of the Sellars-Tegart-Garofalo equation, with the aid of linear regression analysis by the neural network method implemented in the NEUREX program.
Ključne riječi
alloys; regression analysis; neural networks; stress-strain curves; compression test
Hrčak ID:
62722
URI
Datum izdavanja:
1.4.2011.
Posjeta: 2.232 *