Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/7541
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dc.contributor.authorNyamannavar, S.
dc.contributor.authorRavi, M.
dc.contributor.authorPrabhu, K.N.
dc.date.accessioned2020-03-30T10:02:29Z-
dc.date.available2020-03-30T10:02:29Z-
dc.date.issued2008
dc.identifier.citation68th World Foundry Congress 2008, WFC 2008, 2008, Vol., , pp.559-562en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/7541-
dc.description.abstractIsothermal 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.titleConstitutional undercooling and growth of globuletic particleen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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