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https://hdl.handle.net/2440/68854
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dc.contributor.author | Lashkari, O. | - |
dc.contributor.author | Ghomashchi, R. | - |
dc.contributor.author | Nafisi, S. | - |
dc.date.issued | 2006 | - |
dc.identifier.citation | Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 2006; 441(1-2):49-59 | - |
dc.identifier.issn | 0921-5093 | - |
dc.identifier.issn | 1873-4936 | - |
dc.identifier.uri | http://hdl.handle.net/2440/68854 | - |
dc.description.abstract | The current article reports on the effect of pouring temperature on the morphology of primary α-Al particles and the rheological behaviour of the resulting microstructures for semi-solid Al-Si 356 alloy. Attempts have been made to explain the solidification mechanism of the primary α-Al particles in the as-cast semi-solid billets and to establish a correlation between the morphology of α-Al phase and viscosity of the billets, by employing quantitative metallography and parallel plate compression viscometry tests. The results have shown that the dendritic primary α-Al structures formed at the highest pouring temperatures of 675-695 °C used in this study, have the greatest viscosity numbers. They are almost two orders of magnitude greater than those for rosette structure formed at moderate pouring temperatures of 630-645 °C. The viscosity of the dendritic primary α-Al structures is three orders of magnitude greater than those for globular morphology formed at the lowest pouring temperature of 615 °C. © 2006 Elsevier B.V. All rights reserved. | - |
dc.description.statementofresponsibility | Omid Lashkari, Shahrooz Nafisi and Reza Ghomashchi | - |
dc.description.uri | http://www.sciencedirect.com/science/journal/09215093 | - |
dc.language.iso | en | - |
dc.publisher | Elsevier Science SA | - |
dc.rights | © 2006 Elsevier B.V. All rights reserved. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.msea.2006.05.075 | - |
dc.subject | Semi-solid metal | - |
dc.subject | Pouring temperature | - |
dc.subject | Microstructure | - |
dc.subject | Rheology | - |
dc.subject | Viscosity | - |
dc.title | Microstructural characterization of rheo-cast billets prepared by variant pouring temperatures | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.msea.2006.05.075 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Ghomashchi, R. [0000-0003-3633-2296] | - |
Appears in Collections: | Aurora harvest Materials Research Group publications Mechanical Engineering publications |
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