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Titolo:
Suppression of through-the-thickness cracks in SiC coating on C/C composites
Autore:
Hatta, H; Aoki, T; Hitomi, T; Fukuda, H; Shiota, I;
Indirizzi:
Inst Space & Astronaut Sci, Kanagawa 2298510, Japan Inst Space & AstronautSci Kanagawa Japan 2298510 anagawa 2298510, Japan Sci Univ Tokyo, Fac Ind Sci & Technol, Dept Mat Sci & Technol, Noda, Chiba2788510, Japan Sci Univ Tokyo Noda Chiba Japan 2788510 echnol, Noda, Chiba2788510, Japan Kogakuin Univ, Dept Chem Engn, Hachioji, Tokyo 192, Japan Kogakuin Univ Hachioji Tokyo Japan 192 m Engn, Hachioji, Tokyo 192, Japan
Titolo Testata:
COMPOSITE INTERFACES
fascicolo: 5-6, volume: 7, anno: 2001,
pagine: 425 - 442
SICI:
0927-6440(2001)7:5-6<425:SOTCIS>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
CARBON-CARBON COMPOSITES; TEMPERATURE OXIDATION BEHAVIOR; FILMS;
Keywords:
C/C composite; ceramic coating; oxidation coating crack; fiber reinforcement;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Hatta, H Inst Space & Astronaut Sci, 3-1-1 Yoshinodai, Kanagawa 2298510, Japan Inst Space & Astronaut Sci 3-1-1 Yoshinodai Kanagawa Japan 2298510
Citazione:
H. Hatta et al., "Suppression of through-the-thickness cracks in SiC coating on C/C composites", COMPOS INTE, 7(5-6), 2001, pp. 425-442

Abstract

Two concepts are proposed to minimize coating cracks on the surface of C/Ccomposites. The first idea of a multi-layered coating is based on the phenomenon that there exists a critical coating thickness below which no coating cracks appear. This phenomenon is experimentally and theoretically confirmed for a SiC coating. Thus, by alternately laminating thin SIC and carbon layers, coating-cracking is expected to be suppressed for a thick and densecoating. The second concept is the use of a fiber-reinforced coating. By the fiber reinforcement, the toughness of a ceramic coating should be improved. In this paper, both concepts are shown to be promising to reduce through-the-thickness coating cracks. In addition, problems especially related to oxidation behavior are discussed in relation with the two-coating systems.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/08/20 alle ore 13:51:30