Plasma Spray Boron Carbide Coating

Journal of Inorganic Materials

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Plasma Spray Boron Carbide Coating

ZENG Yi; ZHANG Ye-Fang; HUANG Jing-Qi; XIA Ji-Yu; DING Chuan-Xian

Shanghai Institute of Ceramics; Chinese Academy of Sciences Shanghai 200050 China

Received:1998-02-16 Revised:1998-04-20 Published:1998-12-20 Online:1998-12-20

Abstract

Abstract: The phase composition and microstructure of boron carbide coatings by plasma spray wereinvestigated through X-Rad, XPS and SEM. The porosity and microhardness of the coatings werealso measured. The results showed that The plasma spray boron carbide coatings by using theimproved F4-MB plasma gun under atmospheric pressure had the lower porosity 3%~4% and theclosed microhardness H_v>28GPa compared with the coatings obtained under up to 2kpa argonpressure.

Key words: plasma spray, boron carbide coating, porosity, microhardness

CLC Number:

O484

ZENG Yi,ZHANG Ye-Fang,HUANG Jing-Qi,XIA Ji-Yu,DING Chuan-Xian. Plasma Spray Boron Carbide Coating[J]. Journal of Inorganic Materials.

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Plasma Spray Boron Carbide Coating

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