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Heuristic Model of the Mechanical Properties of a Hypoeutectic EN AC-42100 (EN AC-AlSi7Mg0.3) Silumin Alloy Subjected to Heat Treatment

Górny Z., Kluska-Nawarecka S., Czekaj E., Wilk-Kołodziejczyk D., Saja K.

Archives of Foundry Engineering

2014

Vol. 14, iss. 4

35--38

The object of the experimental studies was to determine the mechanical properties of a hypoeutectic EN AC - 42100 (EN ACAlSi7Mg0,3) silumin alloy, where the said properties are changing as a result of subjecting the samples of different types to solution treatment. An important aspect of the studies was the use type of device for the heat treatment. As a basic parameter representing the mechanical properties, the tensile strength of the metal (Rm) was adopted.

Influence of Modification on the Structure and Morphology of Fracture of AlSi13Mg1CuNi

Romankiewicz R., Romankiewicz F.

Archives of Foundry Engineering

2013

Vol. 13, iss. 2 spec.

85--88

The investigation revealed that the modification of the AlSi13Mg1CuNi silumin with the additives 0,25% AlSr10 and AlCu19P1,4 simultaneously provided the change of the morphology of eutectic silicon from the lamellar into the fibrous one. The change resulted in a double increase in the impact resistance of the alloy and the widening of the plastic area of the fracture of the silumin samples.