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Purpose: The goal of this paper is to present the new methodology to determine the thermal characteristics of magnesium alloy using the novel Universal Metallurgical Simulator and Analyzer Platform. Design/methodology/approach: The experiments were performed using the novel Universal Metallurgical Simulator and Analyzer Platform. Material used in this experiment is experimental magnesium alloy made as-cast. Findings: The research show that the thermal analysis carried out on UMSA Technology Platform is an efficient tool for collect and calculate thermal parameters. The formation temperatures of various thermal parameters are shifting with an increasing cooling rate. Research limitations/implications: This paper presents results for one alloy . MCMgAl9Zn1 only cooled with two different solidifications rate i.e. 0.6 and 2°C/s, for assessment for the liquidus, solidus temperatures and describe a beginning of nucleation of α(Mg)-β(Mg-Mg17Al12) eutectic. Further investigations should be concentrating on assessment an influence of different solidification rate on microstructure and mechanical properties. Practical implications: The parameters described can be applied in metal casting industry for selecting magnesium ingot preheating temperature for semi solid processing. Originality/value: The paper contributes to better understanding and recognition an influence of different solidification condition on non-equilibrium thermal parameters of magnesium alloys.
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Tom
Strony
113--116
Opis fizyczny
Bibliogr. 15 poz.
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autor
autor
autor
autor
- Division of Materials Processing Technology, Management and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland, leszek.dobrzanski@polsl.pl
Bibliografia
- [1] K.U. Kainer, Magnesium – alloys and technologies, Wiley-VCH Verlag GmbH & Co. KG aA, Weinheim, 2003.
- [2] L.A. Dobrzański, T. Tański, L. Cizek, J. Domagała, Mechanical properties and wear resistance of magnesium casting alloy, Journal of Achievements in Materials and Manufacturing Engineering 31/1 (2008) 83-90.
- [3] L.A. Dobrzański, T. Tański, J. Domagała, L. Cizek, Mechanical properties of magnesium alloys, Journal of Achievements in Materials and Manufacturing Engineering 24/2 (2007) 99-102.
- [4] S.G. Shabestari, M. Malekan, Thermal analysis study of the effect of the cooling rate on the microstructure and solidification parameters of 319 aluminum alloy, Canadian Metallurgical Quarterly 44/3 (2005) 305-312.
- [5] L. Backuerud, G. Chai, J Tamminen, Solidification characteristics of aluminum alloys, Vol. 2: Foundry Alloys, AFS Skanaluminium, Stockholm, 1990.
- [6] L.A. Dobrzański, W. Kasprzak, M. Kasprzak, J.H. Sokolowski, A novel approach to the design and optimization of aluminum cast component heat treatment processes using advanced UMSA physical simulations, Journal of Achievements in Materials and Manufacturing Engineering 24/2 (2007) 139-142.
- [7] D. Emadi, L.V. Whiting, S. Nafisi, R. Ghomashchi, Applications of thermal analysis in quality control of solidification processes, Journal of Thermal Analysis and Calorimetry 81 (2005) 235-242.
- [8] L.A. Dobrzański, W. Kasprzak, J. Sokolowski, R. Maniara, M. Krupiński, Applications of the derivation analysis for assessment of the ACAlSi7Cu alloy crystallization process cooled with different cooling rate, Proceedings of the 13th Scientific International Conference “Achievements in Mechanical and Materials Engineering” AMME’2005, Gliwice-Wisła, 2005, 147-150.
- [9] Method and Apparatus for Universal Metallurgical Simulation and Analysis – United States Patent, Patent No.: US 7,354,491 B2, Date of Patent: Apr. 8.
- [10] J.H. Sokolowski, M.B. Djurdjevic, Ch.A. Kierkus, D.O. Northwood, Improvement of 319 aluminim alloy casting durability by high temperature solution treatment, Journal of Materials Processing Technology 109 (2001) 174-180.
- [11] H. Yamagata, H. Kurita, M. Aniolek, W. Kasprzak, J.H. Sokolowski, Thermal and metallographic characteristics of the Al-20% Si high-pressure die casting alloy for monolithic cylinder blocks, Journal of Materials Processing Technology 199 (2008) 84-90.
- [12] W.T. Kierkus, J.H. Sokolowski, Recent Advances in CCA:A new method of determining baseline equation, AFS Transactions 66 (1999) 161-167.
- [13] M.B. Djurdjevis, W.T. Kierkus, G.E. Byczynski, T.J. Stockwell, J.H. Sokolowski, Modeling of fraction solid for 319 aluminum alloy, AFS Transactions 14 (1999) 173-179.
- [14] W. Kasprzak, J.H. Sokolowski, W. Sahoo, L.A. Dobrzański, Thermal and structural characteristics of the AZ50 magnesium alloy, Journal of Achievements in Materials and Manufacturing Engineering 29/2 (2008) 179-182.
- [15] H. Yamagata, W. Kasprzak, M. Aniolek, H. Kurita, J.H. Sokolowski, The effect of average cooling rates on the microstructure of the Al-20%Si high pressure die casting alloy used for monolitic cylinder blocks, Journal of Materials Processing Technology 203 (2008) 333-341.
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Bibliografia
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bwmeta1.element.baztech-article-BSL7-0033-0043