Recent developments in the field of plasma sprayed ceramic coatings at Shanghai Institute of Ceramics (SIC) are presented. Nano-titania and nano-tungsten carbide coatings were prepared. Their structure and properties were detected. The super hard B4C coating was deposited by APS. The physical and mechanical and anti-irradiation properties of B4C were measured. Wollastonite coating was deposited and its bioactivity has been tested. The results obtained indicated that (1) nano-titania coating possessed porous structure and unique electric properties; (2) nano-WC-Co coating exhibited notable wear resistance; (3) B4C coating was excellent irradiation resistance and (4) the carbonate-containing hydroxyapatite was formed on the surface of wollastonite coating, which indicated that this coating has excellent bioactivity.

bioactivity, boron carbide coating, ceramic coatings, electrical properties, mechanical properties, physical properties, plasma spray coating, WC-Co coating, wear resistance
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Copyright © 2001 ASM International. All rights reserved.
2001
ASM International
Topics
Boron carbide ceramics Ceramic coating Plasma spray coating Bioactivity Electrical properties Mechanical properties Wear resistance Physical properties Tungsten carbide cermets
Issue Section:
Ceramics, Intermetallics, and Metal Composite Coatings
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