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Preliminary characterisation of a plasma sprayed MoSi2/Sigma SiC fibre monotape by Adam M. Baker; Patrick S. Grant; Richard G. Castro; Harriet Kung is a Engineering article available to read on EtoBox.

What is Preliminary characterisation of a plasma sprayed MoSi2/Sigma SiC fibre monotape about?

Fabrication of a preliminary continuous Sigma 1140 + SiC fibre reinforced MoSi 2 composite monotape by plasma spraying onto a ring shaped substrate has been successfully demonstrated without any SiC breakage. The MoSi 2 matrix microstructure was typical of a splat quenched plasma spray processed material with porosity B 5%. Matrix cracking occurred between fibres and was attributed primarily to differences in the coefficient of thermal expansion of MoSi 2 , SiC and the steel substrate. Evidence for the formation of SiC by interfacial reaction between the fibre C coating and the MoSi 2 matrix has been observed, although this reaction was not uniform at all points on the interface. SiC formation has been suggested to affect the bonding between the fibre and the matrix and the subsequent mechanical properties of consolidated material. Pest oxidation of the MoSi 2 matrix has been used to extract the SiC fibres after plasma spraying to assess the effect of process induced damage on the fibre properties in the matrix. However, the extraction process itself caused some changes to fibre properties which made analysis problematical. The 3.1 GPa as-supplied mean tensile fibre strength was re

Who reads Preliminary characterisation of a plasma sprayed MoSi2/Sigma SiC fibre monotape?

Author

Adam M. Baker; Patrick S. Grant; Richard G. Castro; Harriet Kung

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-5093)

Published

1999

Language

EN

Field

Engineering (Physical Sciences)