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Interfacial heat-transfer between A356-aluminium alloy and metal mould 被引量：1

Interfacial heat-transfer between A356-aluminium alloy and metal mould
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摘要 The interfacial heat-transfer coefficient at casting/mould interface is a key factor that impacts the simulation accuracy of solidification progress.At present,the simulation result of using available data is comparatively different from the practice.In the current study,the methods of radial heating and electricity measurement under steady-state condition were employed to study the nature of interfacial heat-transfer between A356 Aluminum alloy and metal mould.The experimental results show that the interfacial heat-transfer between A356 Aluminum alloy and the outer mould drops linearly with time while that of A356 aluminum alloy and the inner mould increases with time during cooling.The interfacial heat-transfer coefficient between A356 aluminum alloy and mould is inversely proportional to the electrical resistance. The interfacial heat-transfer coefficient at casting/mould interface is a key factor that impacts the simulation accuracy of solidification progress. At present, the simulation result of using available data is comparatively different from the practice. In the current study, the methods of radial heating and electricity measurement under steady-state condition were employed to study the nature of interfacial heat-transfer between A356 Aluminum alloy and metal mould. The experimental results show that the interfacial heat-transfer between A356 Aluminum alloy and the outer mould drops linearly with time while that of A356 aluminum alloy and the inner mould increases with time during cooling. The interfacial heat-transfer coefficient between A356 aluminum alloy and mould is inversely proportional to the electrical resistance.
作者 Zhao Jianhua Tian Jun Qian Hancheng
机构地区 National Engineering Research Center for Magnesium Alloys School of Materials Science and Engineering
出处 《China Foundry》 SCIE CAS 2009年第4期305-307,共3页 中国铸造（英文版）
关键词 interracial heat-transfer coefficient A356 aluminum alloy thermal physical parameters numericalsimulation
分类号 TG292 [金属学及工艺—铸造] TL331 [核科学技术—核技术及应用]
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参考文献12

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同被引文献11

  • 1Rafique M M A, Iqbal J. Modeling and simulation of heat transfer phenomena during investment casting[J]. International Journal of Heat and Mass Transfer, 2009,52(7/8) : 2132-2139.
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China Foundry
2009年 第4期

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