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University of Zenica , Zenica , Bosnia and Herzegovina
Pobjeda dd Tešanj, Podružnica ''Livnica'' Turbe Bosnia and Herzegovina
The chemical composition of casting is an important factor affecting the shape of graphite and the mechanical properties and microstructure of the metal base. Different elements have different influence to casting properties. All elements that affect the microstructure development during casting solidification have significant influence on mechanical properties of the castings. In the practical part of this paper influence of molybdenum and chromium on the change in hardness and pearlite content in the microstructure is presented. The results show that with the addition of pearlitizing elements (Cr and Mo), the content of pearlite in the microstructure of the metallic matrix and hardness of the castings increase.
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