Impact of External Pressure on the Heat Transfer Coefficient during Solidification of Al-A356 Alloy

Masoud Jabbari, A.Fardi Ilkhchy, E. Moumani

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Abstract

In this paper the interfacial heat transfer coefficient (IHTC) is correlated to applied external pressure, in which IHTC at the interface between A356 aluminum alloy and metallic mold during the solidification of the casting under different pressures were obtained using the Inverse Heat Conduction Problem (IHCP) method. The method covers the expedient of comparing theoretical and experimental thermal histories. Temperature profiles obtained from thermocouples were used in a finite difference heat flow program to estimate the transient heat transfer coefficients. The new simple formula was presented and compared with data in literature which shows acceptable agreement.
Original languageEnglish
Publication date2012
Number of pages13
Publication statusPublished - 2012
Event12th International Foundrymen Conference: Sustainable Development in Foundry Materials and Technologies - Opatija, Croatia
Duration: 24 May 201225 May 2012
http://www.simet.hr/~foundry

Conference

Conference12th International Foundrymen Conference
CountryCroatia
CityOpatija
Period24/05/201225/05/2012
Internet address

Keywords

  • Interfacial heat transfer coefficient
  • External pressure
  • Metallic mold
  • IHCP method
  • Finite difference method

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