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DC Field | Value | Language |
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dc.contributor.author | Nyamannavar, S. | |
dc.contributor.author | Ravi, M. | |
dc.contributor.author | Prabhu, K.N. | |
dc.date.accessioned | 2020-03-30T10:02:29Z | - |
dc.date.available | 2020-03-30T10:02:29Z | - |
dc.date.issued | 2008 | |
dc.identifier.citation | 68th World Foundry Congress 2008, WFC 2008, 2008, Vol., , pp.559-562 | en_US |
dc.identifier.uri | http://idr.nitk.ac.in/jspui/handle/123456789/7541 | - |
dc.description.abstract | Isothermal holding of an alloy at semi-solid temperature and quenching/cooling, results in formation of instabilities on the globuletic ?-particles. The aspect of instability formation is necessary input for accurate simulation and modeling of microstructure evolution for semi-solid metal forming (SSM) process. In the present work instability formation is studied for Al-7Si-0.3Mg alloy. Small cylindrical samples (10 mm, height 10 mm) were subjected to isothermal holding at semisolid temperature followed by quenching/cooling to room temperature. Instabilities were found to form at cooling rates 30 and 100 K/s. Instability formation is explained by interface stabilization theory based on the constitutional undercooling of liquid ahead of the solid/liquid interface. | en_US |
dc.title | Constitutional undercooling and growth of globuletic particle | en_US |
dc.type | Book chapter | en_US |
Appears in Collections: | 2. Conference Papers |
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