Direct metal casting through 3D printing : a critical analysis of the mould characteristics
McKenna, Nicholas, Singamneni, Sarat, Diegel, Olaf, Singh, Darius, Neitzert, Thomas, St. George, John, Choudhury, Asimava Roy, & Yarlagadda, Prasad K. (2008) Direct metal casting through 3D printing : a critical analysis of the mould characteristics. In Yarlagadda, Prasad K. & Gudimetla, Prasad V. (Eds.) 9th Global Congress on Manufacturing and Management, 12-14 November, 2008, Gold Coast Australia.
The use of Rapid Prototyping technologies for the production of sacrificial sand molds for the foundry industry has been previously researched, but with Selective Laser Sintering as the main technology, and with different methods of processing, and materials, as critical variables. With the proliferation of 3D printers and the relatively easy and economical production of moulds with special sands supplied by Z-Corporation, it is time that direct metal casting through 3D printing is scientifically investigated. Knowledge of the influence of various process parameters on the quality of moulds and subsequent castings is essential in effectively employing direct metal casting in real-world applications. This paper presents results of experimental investigations carried out to establish the influences of critical factors, such as curing times and temperatures, on mechanical characteristics, such as strength and permeability, of sand moulds produced by 3D printing. Statistically designed experiments are employed for the systematic analysis of the individual roles of critical curing parameters, as well as their combined effects.
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|Item Type:||Conference Paper|
|Keywords:||Rapid Prototyping, Sand Casting, 3-D Printing, Moulding Properties|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2008 GCMM Board|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher|
|Deposited On:||23 Feb 2009 23:12|
|Last Modified:||29 Feb 2012 13:46|
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