Monte Carlo Simulation of Measurement Uncertainty in Modified Hydraulic Bulging Determination of Flow Stress (CROSBI ID 240066)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Piljek, Petar ; Runje, Biserka ; Keran, Zdenka ; Škunca, Marko
engleski
Monte Carlo Simulation of Measurement Uncertainty in Modified Hydraulic Bulging Determination of Flow Stress
In this paper an estimation of measurement uncertainty in determining the flow stress curve by modified hydraulic bulging was carried out. Modified hydraulic bulging is a newer method of the stress-strain diagram acquisition. The method has been derived from the hydraulic bulge test. The flow stressstrain curves were established for an aluminium sheet on an experimental apparatus designed for both methods. The assumption of the membrane stress state was used and the flow rule was determined, which was necessary for establishing the flow stress-true strain curve. The comparison between the experimentally obtained curve and standard true stress – true strain curve from literature is showed on a diagram. The estimation of measurement uncertainty was performed using the Monte Carlo simulation.
Flow stress curve ; Measurement uncertainty ; Modified hydraulic bulging ; Monte Carlo simulation
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Podaci o izdanju
24 (3)
2017.
649-653
objavljeno
1330-3651
10.17559/TV-20140828211548