Constitutional undercooling and growth of globuletic particle

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DC Field	Value	Language
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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