Formation of porosity in Al-Si alloys

• Autorzy: Brůna M. , Sládek A. , Kucharčík L.
• Języki publikacji: EN

Abstrakty

EN

Porosity is one of the major defects in aluminum castings, which results in a decrease of the mechanical properties. It is induced by several mechanisms (solidification shrinkage and gas segregation). One of the method for complex evaluation of macro and micro porosity in Al-Si alloys is Tatur test technique. This article deals with evaluation of porosity with help of Tatur tests for selected Al-Si alloys. These results will be compared with results obtained from simulation software ProCAST.

Słowa kluczowe

EN

porosity; aluminum alloy; simulation; mushy zone; tatur test

PL

porowatość; stop aluminium; symulacja; strefa półciekła

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2012
• Tom: Vol. 12, iss. 1
• Strony: 5--8
• Opis fizyczny: Bibliogr. 4 poz., rys.

Twórcy

autor

Brůna M.

autor

Sládek A.

autor

Kucharčík L.

• Department of technological engineering, University of Žilina, Univerzitná 1, 01026 Žilina, Slovakia,

Bibliografia

• [1] Campbell, J. (1991) Castings. Butterworth-Heinemann.
• [2] Ampuero, J., Charbon, C., Hoadley, AFA & Rappaz, M. (1991). In Voller, V. R., Stachowicz, M. S., & Thomas, B. G. (Eds.), Materials Processing in The Computer Age (pp. 377-388). Warrendale, PA: TMS.
• [3] Pequet, Ch., Gremaud, M. & Rappaz, M. (2002). Modelling of microporosity, macroporosity, and pipe-phrinkage formation during the solidification of alloys using a mushy-zone refinement method: applications to aluminium alloys. Met. Mater. Trans. 33A p. 2095.
• [4] Couturier, G. & Rappaz, M. (2006). Modeling of porosity formation in multicomponent alloys in the presence of several dissolved gases and volatile solute elements. In TMS, Symposium on Simulation of Aluminium Shape Casting Processing.