Effect of casting parameters on porosity in LFC
Cast aluminium alloys often contain microstructural defects resulting from the casting process such as porosity. Developments of Lost foam casting (LFC) process is considered as one of the most rapid in casting technology owing to its unique advantages on energy savings and capabilities to produce c...
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my.utm.468462017-09-26T00:52:10Z http://eprints.utm.my/id/eprint/46846/ Effect of casting parameters on porosity in LFC Izman, Izman Shayganpour, Amirreza Idris, Mohd. Hanafi TJ Mechanical engineering and machinery Cast aluminium alloys often contain microstructural defects resulting from the casting process such as porosity. Developments of Lost foam casting (LFC) process is considered as one of the most rapid in casting technology owing to its unique advantages on energy savings and capabilities to produce castings with thin sections. In the present research, experimental investigations in lost foam casting of aluminium-silicon cast alloy, LM6, were conducted. The main objective of the study was to evaluate the effect of different pouring temperatures, slurry viscosities, vibration times and sand sizes on the porosity of castings. A stepped pattern was used in the study and the focus of the investigations was at the thinnest 3 mm section. A full 2-level factorial design experimental technique was employed to plan the experiment and subsequently identify the significant factors which affect the casting porosity. The result shows that increasing in the pouring temperature decreases the porosity in the thin-wall section and finer sand size is more favourable than coarse size for LFC mould making process. 2012 Article PeerReviewed Izman, Izman and Shayganpour, Amirreza and Idris, Mohd. Hanafi (2012) Effect of casting parameters on porosity in LFC. Applied Mechanics And Materials, 148-14 . pp. 1198-1201. ISSN 1660-9336 http://dx.doi.org/10.4028/www.scientific.net/AMM.148-149.1198 |
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TJ Mechanical engineering and machinery Izman, Izman Shayganpour, Amirreza Idris, Mohd. Hanafi Effect of casting parameters on porosity in LFC |
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Cast aluminium alloys often contain microstructural defects resulting from the casting process such as porosity. Developments of Lost foam casting (LFC) process is considered as one of the most rapid in casting technology owing to its unique advantages on energy savings and capabilities to produce castings with thin sections. In the present research, experimental investigations in lost foam casting of aluminium-silicon cast alloy, LM6, were conducted. The main objective of the study was to evaluate the effect of different pouring temperatures, slurry viscosities, vibration times and sand sizes on the porosity of castings. A stepped pattern was used in the study and the focus of the investigations was at the thinnest 3 mm section. A full 2-level factorial design experimental technique was employed to plan the experiment and subsequently identify the significant factors which affect the casting porosity. The result shows that increasing in the pouring temperature decreases the porosity in the thin-wall section and finer sand size is more favourable than coarse size for LFC mould making process. |
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Article |
author |
Izman, Izman Shayganpour, Amirreza Idris, Mohd. Hanafi |
author_facet |
Izman, Izman Shayganpour, Amirreza Idris, Mohd. Hanafi |
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Izman, Izman |
title |
Effect of casting parameters on porosity in LFC |
title_short |
Effect of casting parameters on porosity in LFC |
title_full |
Effect of casting parameters on porosity in LFC |
title_fullStr |
Effect of casting parameters on porosity in LFC |
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Effect of casting parameters on porosity in LFC |
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effect of casting parameters on porosity in lfc |
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2012 |
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http://eprints.utm.my/id/eprint/46846/ http://dx.doi.org/10.4028/www.scientific.net/AMM.148-149.1198 |
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13.18916 |