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In-situ coagulation moulding of ceramic suspensions
journal contributionposted on 2007-01-23, 09:40 authored by J.G.P. Binner, A.M. McDermott, Y. Yin
A fast, near-net shape route for the production of advanced ceramic components has been developed in which the time dependent in-situ hydrolysis of carboxylic acid derivatives progressively destabilises a suspension within a non porous mould to form a viscoelastic green body solid within which the homogeneity of the initial dispersion is maintained. After drying, the ceramics could be sintered without needing debinding since <1 wt% of organic additives were used. As applied to a-alumina initially dispersed using ammonium polyacrylate, this new process route yielded dense, high strength, reliable components with uniform microstructures.
- Aeronautical, Automotive, Chemical and Materials Engineering
CitationBINNER J.G.P. MCDERMOTT, A.M and YIN, Y., 2004. In-situ coagulation moulding of ceramic suspensions. Key Engineering Materials, 264-268, pp. 293-296
Publisher© Trans Tech
NotesThis is Restricted Access. This article was published in the journal, Key Engineering Materials [© Trans Tech] and is also available at: http://www.scientific.net.