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Metallurgy, Vol. 58 No. 3-4, 2019.

Preliminary communication

Shell forming mode effect on casting quality

V. Yu. Kulikov ; Karaganda State Technical University, Karaganda, Kazakhstan
A. Z. Issagulov ; Karaganda State Technical University, Karaganda, Kazakhstan
M. K. Ibatov ; Karaganda State Technical University, Karaganda, Kazakhstan
Ye. P. Shcherbakova ; Karaganda State Technical University, Karaganda, Kazakhstan
T. V. Kovaleva ; Karaganda State Technical University, Karaganda, Kazakhstan

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Abstract

The paper deals with the influence of shell forming modes on some parameters of castings: the surface and internal defects. The degree of roughness and stress concentration were determined on the castings obtained under production conditions. According to the result, it was found that the use of variable pressure in the formation of the shell ensures the purity of the casting and the reduction of the stress level in the casting.

Keywords

casting; sand-resin mold; roughness; concentration of stresses; homogeneity

Hrčak ID:

218405

URI

https://hrcak.srce.hr/218405

Publication date:

1.7.2019.

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