Computation of solidification of Al-4.5% Cu alloy casting cast in CO2-sand mould
Solidification of molten metals during various casting methods poses many practical problems associated with phase transformation and heat transfer processes. Evaluation of solidification time is one of the very important parameters used for assessing the properties of the material. In the present s...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2006-07, Vol.220 (7), p.1117-1129 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture |
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| creator | KULKARNI, S. N RADHAKRISHNA, K |
| description | Solidification of molten metals during various casting methods poses many practical problems associated with phase transformation and heat transfer processes. Evaluation of solidification time is one of the very important parameters used for assessing the properties of the material. In the present study, an experimental investigation was carried out to measure the solidification time in a cylindrical hollow casting cast in CO2-sand moulds and the same has been compared with computed results obtained using an implicit alternating direction (IAD) method, including the treatment of interfacial nodes between metal and mould, and boundary nodes at the mould surface. Aluminium-4.5% Cu alloy was used. Computed cooling curves at various locations and temperature distributions in core-metal-mould were presented. The results show that the solidification time obtained in the experimental study compares well with that predicted by the analysis made through IAD modelling. A successful comparison with reported experimental results shows that the technique is appropriate for simulation of the solidification process of aluminium castings. [PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1243/09544054JEM286 |
| format | Article |
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N ; RADHAKRISHNA, K</creator><creatorcontrib>KULKARNI, S. N ; RADHAKRISHNA, K</creatorcontrib><description>Solidification of molten metals during various casting methods poses many practical problems associated with phase transformation and heat transfer processes. Evaluation of solidification time is one of the very important parameters used for assessing the properties of the material. In the present study, an experimental investigation was carried out to measure the solidification time in a cylindrical hollow casting cast in CO2-sand moulds and the same has been compared with computed results obtained using an implicit alternating direction (IAD) method, including the treatment of interfacial nodes between metal and mould, and boundary nodes at the mould surface. Aluminium-4.5% Cu alloy was used. Computed cooling curves at various locations and temperature distributions in core-metal-mould were presented. The results show that the solidification time obtained in the experimental study compares well with that predicted by the analysis made through IAD modelling. A successful comparison with reported experimental results shows that the technique is appropriate for simulation of the solidification process of aluminium castings. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 0954-4054</identifier><identifier>EISSN: 2041-2975</identifier><identifier>DOI: 10.1243/09544054JEM286</identifier><language>eng</language><publisher>London: Mechanical Engineering Publications</publisher><subject>Aluminum ; Analytical and numerical techniques ; Applied sciences ; Casting ; Exact sciences and technology ; Foundry engineering ; Fundamental areas of phenomenology (including applications) ; Heat transfer ; Mechanical engineering ; Mechanical engineering. Machine design ; Metals ; Metals. Metallurgy ; Other casting methods. 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Computed cooling curves at various locations and temperature distributions in core-metal-mould were presented. The results show that the solidification time obtained in the experimental study compares well with that predicted by the analysis made through IAD modelling. A successful comparison with reported experimental results shows that the technique is appropriate for simulation of the solidification process of aluminium castings. [PUBLICATION ABSTRACT]</description><subject>Aluminum</subject><subject>Analytical and numerical techniques</subject><subject>Applied sciences</subject><subject>Casting</subject><subject>Exact sciences and technology</subject><subject>Foundry engineering</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Heat transfer</subject><subject>Mechanical engineering</subject><subject>Mechanical engineering. Machine design</subject><subject>Metals</subject><subject>Metals. 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In the present study, an experimental investigation was carried out to measure the solidification time in a cylindrical hollow casting cast in CO2-sand moulds and the same has been compared with computed results obtained using an implicit alternating direction (IAD) method, including the treatment of interfacial nodes between metal and mould, and boundary nodes at the mould surface. Aluminium-4.5% Cu alloy was used. Computed cooling curves at various locations and temperature distributions in core-metal-mould were presented. The results show that the solidification time obtained in the experimental study compares well with that predicted by the analysis made through IAD modelling. A successful comparison with reported experimental results shows that the technique is appropriate for simulation of the solidification process of aluminium castings. 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| subjects | Aluminum Analytical and numerical techniques Applied sciences Casting Exact sciences and technology Foundry engineering Fundamental areas of phenomenology (including applications) Heat transfer Mechanical engineering Mechanical engineering. Machine design Metals Metals. Metallurgy Other casting methods. Solidification Phase transitions Physics Production techniques Solidification |
| title | Computation of solidification of Al-4.5% Cu alloy casting cast in CO2-sand mould |
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