Author： Dearnley P. A. Roberts K. A.
Publisher： Maney Publishing
ISSN： 1743-2901
Source： Powder Metallurgy, Vol.34, Iss.1, 1991-01, pp. : 23-32
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Abstract
Despite extensive research and development over the past 20 years, titanium based composites have yet to realise their full commercial potential, particularly within the civil sector. This has been largely due to the high value added costs of available production methods, a problem caused by the constraint of adverse liquid metal/ceramic reactions. Hence, there is a practical necessity to use solid state diffusion bonding methods. Spray deposition technologies are well suited to the production of metal matrix composites since liquid metal/ceramic contact times are kept very short (∼100 ms), minimizing detrimental reactions. A series of experiments is described in which the viability of producing titanium matrix composites by vacuum plasma spraying is explored, special attention being given to factors which influence the purity and densification of the resultant spray deposit. PM/0539
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