Copper-ceramic composite coatings for steel strip casting
- National Research Council of Canada, Boucherville, Quebec (Canada)
Materials in contact with solidifying steel during continuous strip casting should have high thermal conductivity, good thermal shock resistance and high inertness to liquid steel. A good ability to withstand mechanical damages could be mandatory particularly during the braking-in period. A copper-ceramic coating has been developed in order to fulfill these requirements. This coating was plasma sprayed on the rolls of a prototype twin-roll strip casting machine. As it is ductile it can withstand mechanical deformations. Being a barrier preventing reactions with liquid steel, it ensures the spreading of liquid steel over the rolls and the easy removal of the solidified strip. As a thin ceramic rich continuous layer is formed and renewed after each mechanical damage this coating possesses self-healing properties. This paper presents the development of this copper-ceramic coating in regards to the demanding service conditions of strip casting and relates its performance to its peculiar microstructure.
- OSTI ID:
- 160449
- Report Number(s):
- CONF-940684-; ISBN 0-87170-509-5; TRN: IM9603%%31
- Resource Relation:
- Conference: 1994 national thermal spray conference, Boston, MA (United States), 20-24 Jun 1994; Other Information: PBD: 1994; Related Information: Is Part Of 1994 Thermal spray industrial applications: Proceedings; Berndt, C.C.; Sampath, S. [eds.] [State Univ. of New York, Stony Brook, NY (United States). Dept. of Materials Science and Engineering]; PB: 816 p.
- Country of Publication:
- United States
- Language:
- English
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