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The RSF Technology for Semi-Solid Casting Processes

Ratke, Lorenz and Sharma, Ashok and Kohli, Divya (2011) The RSF Technology for Semi-Solid Casting Processes. Indian Foundry Journal, 57 (10).

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Abstract

Rapid Slurry Forming (RSF) is a new process for manufacturing of cast components. The process is based on enthalpy exchange between at least two alloy systems having different enthalpies. The aim is to get semi-solid slurry. Experimental work has been done on Al-7Si alloy to get semi-solid slurry. The beauty of the process is that the state of slurry is controlled by relative added amounts of the alloy system used. It is not necessary to accurately control the heat flux to surrounding media such as crucible or mould. Globular microstructure of primary aluminum dendrites could thus be achieved by RSF process which ensure improved foundry characteristics. The results indicate that the RSF process is suitable for producing high quality metal slurries economically which may be a break through for semi – solid casting processes.

Document Type:Proceedings
Title:The RSF Technology for Semi-Solid Casting Processes
Authors:
AuthorsInstitution or Email of Authors
Ratke, Lorenzlorenz.ratke@dlr.de
Sharma, AshokMalaviya National Institute of Technology, Jaipur, India
Kohli, DivyaMalaviya National Institute of Technology, Jaipur, India
Date:April 2011
Volume:57
Number of Pages:4
Series Name:Indian Foundry Journal
Status:Published
Keywords:casting, rheo casting, globulithic microstructure, Ostwald ripening
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Multi Material Design Strukturen (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Prof. Lorenz Ratke
Deposited On:03 May 2011 08:26
Last Modified:13 Jan 2012 13:31

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