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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. In the metal casting industry, an improvement of component quality depends mainly on better control over the production parameters. 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 shows a difference in the (phase) structure morphology as a result of cast cooling rate.
Czasopismo
Rocznik
Tom
Strony
71--74
Opis fizyczny
Bibliogr. 15 poz., fot.
Twórcy
autor
autor
autor
- Politechnika Śląska, Instytut Materiałów Inżynierskich i Biomateriałów, 44-100 Gliwice, ul. Konarskiego 18a, mariusz.krupinski@polsl.pl
Bibliografia
- [1] Ł. Bernat, J. Hajkowski, M. Hajkowski: Microstructure and porosity of aluminum alloy casting whereas mechanical properties, Archives of Foundry, Vol. 6, Is. 22, (2006), pp. 41-48 (in Polish).
- [2] C.H. Caceres, M.B. Djurdjevic, T.J. Stockwell, J.H. Sokolowski, The effect of Cu content on the level of microporosity in Al-Si-Cu-Mg casting alloys, Scripta Materialia 40 (1999) 631-637.
- [3] E. Carrera, A. Rodriguez, J. Talamantes, S. Valtierra, R. Colas: Measurement of residual stresses in cast aluminium engine blocks, Journal of Materials Processing Technology 189, (2007), pp.206-210.
- [4] L.A. Dobrzański, R. Maniara, J.H. Sokolowski: The effect of cast Al-Si-Cu alloy solidification rate on alloy thermal characteristics, Journal of Achievements in Materials and Manufacturing Engineering, Vol. 17, Is.1-2, (2006), pp. 217-220.
- [5] L.A. Dobrzański, M. Krupiński, J.H. Sokolowski: Application of artifical intelligence methods for classification of defects of Al-Si-Cu alloys castings, Archives of Foundry, Vol. 6, Is. 22, (2006), pp. 598-605 (in Polish).
- [6] K.W. Dolan: Design and Produkt Optimization for Cast Ligot Metals, Livermore, 2000.
- [7] A. Fajkiel, P. Dudek, G. Sęk-Sas: Foundry engineering XXI c. Directions of metallurgy development and Ligot alloys casting, Publishers Institute of Foundry Engineering, Cracow, 2002.
- [8] M. Krupinski, L.A. Dobrzański, J.H. Sokolowski, W. Kasprzak, G. Byczynski: Methodology for automatic control of automotive Al-Si cast components, Materials Science Forum, Vols. 539-543, (2007), pp. 339-344.
- [9] P.D. Lee, A. Chirazi, R.C. Atwood, W. Wan, Multiscale modelling of solidification microstructures, including microsegregation and microporosity, in an Al-Si-Cu alloy, Materials Science and Engineering, A365, (2004), pp. 57-65.
- [10] Z. Muzaffer: Effect of copper and silicon content on mechanical properties in Al-Cu-Si-Mg alloys, Journal of Materials Processing Technology, Vol.169, 2005, pp.292-298.
- [11] D. Ovono Ovono, I. Guillot, D. Massinon: The microstructure and precipitation kinetics of a cast aluminium alloy, Scripta Materialia 55, (2006), pp.259-262.
- [12] S. Pietrowski: Low- siliceous Al-Si alloys with Ni, Cu, and Mg additions, Archives of Foundry, Vol. 6, Is. 22, (2006), pp. 414-429 (in Polish).
- [13] S. Pietrowski, R. Władysiak: Low-pressure casting process analysis of Al-Si car wheels casts, Archives of Foundry, Vol. 6, Is. 22, (2006), pp. 376-391 (in Polish).
- [14] D. Toru, K. Soji: Development of a new aluminum alloy bearing for small-sized diesel engines, JSAE Review 21, (2000), pp. 143-147.
- [15] Cosworth Technology: http://www.cosworth-techno-logy.co.uk/ 400_castings/index.htm.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ3-0028-0014