engleski

Approximation model of the stress-strain curve for deformation of aluminium alloys

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 performed in a servohydraulic plastometer. Deformation curves have been described by means of the Sellars-Tegart-Garofalo equation, with the aid of linear regression analysis and by the neural network method implemented in the NEUREX program.

stress-strain curve; aluminium alloys

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