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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2008

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Structure analysis of Al cast alloy

Dobrzański L. A., Krupiński M., Krupińska B.

Journal of Achievements in Materials and Manufacturing Engineering

2008

Vol. 27, nr 1

23-26

Purpose: The developed design methodologies both the material and technological ones will make it possible to improve shortly the quality of materials from the light alloys in the technological process, and the automatic process flow correction will make the production cost reduction possible, and - first of all-to reduce the amount of the waste products. Design/methodology/approach: Castings were analysed in the paper of car engine blocks and heads from the Al-Si-Cu alloys of the AC-AlSi7Cu3Mg type fabricated with the "Cosworth" technological process. In this work the AC-AlSi7Cu3Mg alloy structure was investigated, of this alloy samples were cut of for structure analysis of the cylinder part as well of crankshaft of a fuel engine. The investigation show a difference in the (phase) structure morphology as a result of cast cooling rate. Findings: On the quality of casting has influence the walls thickness of car engine elements. Practical implications: In the metal casting industry, an improvement of component quality depends mainly on better control over the production parameters. Originality/value: The value of the applied methodology was to correct identify the casting effects that occurred during the casting process.