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Characterisation of dispersions within annealed HVOLF thermally sprayed AlSnCu coatings

Kong, Chang-Jing; Moldovan, Grigore; Fay, Mike W.; McCartney, D. Graham; Brown, Paul D.

Authors

Chang-Jing Kong

Grigore Moldovan

Mike W. Fay

D. Graham McCartney

Paul D. Brown



Contributors

Stephen McVitie
Editor

David McComb
Editor

Abstract

High velocity oxy-liquid fuel (HVOLF) AlSnCu coatings are characterised following annealing for up to 5 hours at 300°C. A combination of statistical analysis of BSE images and TEM observations demonstrate the decrease in the number of sub-micron and nanoscale Sn particles with annealing, commensurate with a decrease in the coating microhardness. TEM evidence further suggests the coarsening of nanoscale Sn through a mechanism of a liquid phase migration within the Al matrix. EELS and EFTEM additionally allow the identification of the precipitation of theta'.

Citation

Kong, C., Moldovan, G., Fay, M. W., McCartney, D. G., & Brown, P. D. (2004). Characterisation of dispersions within annealed HVOLF thermally sprayed AlSnCu coatings. In D. McComb, & S. McVitie (Eds.), Electron Microscopy and Analysis 2003: Proceedings of the Institute of Physics Electron Microscopy and Analysis Group Conference, University of Oxford, 3-5 September 2003Institute of Physics Publishing

Publication Date Jan 1, 2004
Deposit Date Mar 25, 2011
Publicly Available Date Mar 25, 2011
Journal Institute of Physics Conference Series
Peer Reviewed Peer Reviewed
Issue 179
Series Title Institute of Physics conference series
Book Title Electron Microscopy and Analysis 2003: Proceedings of the Institute of Physics Electron Microscopy and Analysis Group Conference, University of Oxford, 3-5 September 2003
ISBN 750309679
Keywords TEM
EELS
EFTEM
HVOLF
AlSnCu
Public URL http://eprints.nottingham.ac.uk/id/eprint/1446
Related Public URLs http://iopscience.iop.org/

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