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Effect of modification and heat treatment operations on impact strength of the EN AC-46000 alloy

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Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
More and more stringent requirements concerning mechanical and technological properties, which are imposed on materials used to castings of heavy duty machinery components extort implementation of modern selection methods of alloying additives (synthesis of alloys), modifying agents and heat treatment. Obtainment of optimal results, i.e. improvement of mechanical properties of processed alloy as well as its economic aspect are connected with selection of a suitable temperatures and durations of solution heat treatment and ageing operations. In the paper is present an effect of modification and heat treatment processes on KCV impact strength of the EN AC-46000 alloy. Investigated alloy underwent typical treatments of refining and modification, and next heat treatment. Temperatures’ range for heat treatment operations was evaluated with used of the ATD method. Obtained results concern registered curves of melting and solidification with use of the ATD method and the impact strength. On base of performed tests one has determined a range of heat treatment parameters which create conditions to suitable impact strength of the EN AC-46000 alloy.
Rocznik
Strony
169--172
Opis fizyczny
Bibliogr. 19 poz., rys., tab., wykr.
Twórcy
autor
  • Faculty of Chipless Forming Technology, University of Bielsko-Biała, Willowa 2, 43-309 Bielsko - Biała, Poland
Bibliografia
  • [1] P. Wasilewski, Silumins – Modification and its impact on structure and properties, PAN Solidification of metals and alloys, Zeszyt 21, Monografia, Katowice 1993 r. (in Polish).
  • [2] S. Pietrowski, Silumins, Wydawnictwo Politechniki Łódzkiej, Łódź, 2001 (in Polish).
  • [3] Z. Poniewierski, Crystallization, structure and properties of silumins, WNT Warszawa 1989 (in Polish).
  • [4] S. Pietrowski, T. Szymczak, Silumins alloy crystallization, Archives of Foundry Engineering, Vol. 9 iss. 3 (2009) 143-158.
  • [5] A. Białobrzeski, P. Dudek, A. Fajkiel, W. Leśniewski, Preliminary investigations into the technology of continuous sodium modification of Al.-Si alloys, Archives of foundry, vol. 6 No. 18 (1/2) (2006) 97-103 (in Polish).
  • [6] S. Pietrowski, T. Szymczak, B. Siemieńska-Jankowska, A. Jankowski, Selected characteristic of silumins with additives of Ni, Cu, Cr, Mo, W and V, Archives of Foundry Engineering, Vol. 10, iss. 2 (2010) 107-126.
  • [7] L.A. Dobrzański, Ł. Reimann, G. Krawczyk, Influence of the ageing on mechanical properties of the aluminium alloy AlSi9Mg, Archives of Materials Science and Engineering, Vol. 31 iss. 1 (2008) 37-40.
  • [8] K. Nogita, S.D.. McDonald, A.K. Dahle, Eutectic modification of Al-Si alloys with rare earth metals, Materials Transactions Publication, Vol. 45, iss. 2 (2004) 323-326.
  • [9] C. H. Cáceres, Strength-ductility behaviour of Al-Si-Cu-Mg casting alloy in T6 temper, Cast Metals Res., vol. 15 (2003) 531-543.
  • [10] H.. Zhang, H. Duan, G. Shao, L. XU, Microstructure and mechanical properties of hypereutectic Al-Si alloy modified with Cu-P, Rare Metals vol. 27, Iss.1 (2008) 56-63.
  • [11] A. Knuutinen A., K. Nogita ; S.D. McDonald; A.K. Dahle, Modification of Al-Si alloys with Ba, Ca, Y and Yb, Journal of Light Metals, vol. 1 No. 4 (2001) 229-240.
  • [12] W. Orłowicz, M. Mróz, M. Tupaj, J. Betlej, F. Ploszaj, Influence of refining AlSi alloy on the porosity of pressure moulds, Archives of Foundry Engineering, Vol. 9 iss. 2 (2009) 35-40.
  • [13] W. Orłowicz, M. Tupaj, M. Mróz, Mechanical properties of AlSi7Mg alloy modified with sodium, Archives of Foundry Engineering, Vol. 9 iss. 2 (2009) 35-40 (in Polish).
  • [14] J. Pezda, Effect of modifying process on mechanical properties of EN AC-43300 silumin cast into sand moulds, Archives of Foundry Engineering, Vol. 8 iss. 1 (2008) 241-244.
  • [15] J. Pezda, Heat treatment of the EN AC-AlSi9Cu3(Fe) alloy, Archives of Foundry Engineering, Vol. 10 iss. 2 (2010) 99-102.
  • [16] J. Pezda, Effect of modification with strontium on machinability of AK9 silumin, Archives of Foundry Engineering, Vol. 8 Special iss. 1 (2008) 173-176.
  • [17] R. Gorockiewicz, Effect of heat treatment on microstructure of silumins, Archives of Foundry, Vol. 3 iss. 9 (2003), (in Polish).
  • [18] Lu. Shu-Zu, A. Hellawel, Modyfication of Al-Si alloys: microstructure, thermal analysis and mechanics, IOM vol. 47 No 2, 1995.
  • [19] P. Wasilewski, Comparison of testing methods of solidification and crystallization of alloys, Archives of Foundry, Vol. 3 No. 10 (2003) (in Polish).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-700ec0e2-5b8c-4d0d-89b2-bd8400bcf350
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