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Titolo:
Effect of interface control on mode I interlaminar fracture toughness of woven C/C composite laminates
Autore:
Hojo, M; Yamao, T; Tanaka, M; Ochiai, S; Iwashita, N; Sawada, Y;
Indirizzi:
Kyoto Univ, Grad Sch Engn, Mesoscop Mat Res Ctr, Sakyo Ku, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 t Res Ctr, Sakyo Ku, Kyoto 6068501, Japan Natl Inst Adv Ind Sci & Technol, Ikeda, Osaka 5638577, Japan Natl Inst AdvInd Sci & Technol Ikeda Osaka Japan 5638577 5638577, Japan
Titolo Testata:
JSME INTERNATIONAL JOURNAL SERIES A-SOLID MECHANICS AND MATERIAL ENGINEERING
fascicolo: 4, volume: 44, anno: 2001,
pagine: 573 - 581
SICI:
1344-7912(200110)44:4<573:EOICOM>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
MATRIX COMPOSITES; CARBON COMPOSITES; BEHAVIOR;
Keywords:
composite material; delamination; fracture toughness; carbon/carbon; interface; heat-treatment temperature; BT-resin; DCB specimen; mode I;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Hojo, M Kyoto Univ, Grad Sch Engn, Mesoscop Mat Res Ctr, Sakyo Ku, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 r, Sakyo Ku, Kyoto 6068501, Japan
Citazione:
M. Hojo et al., "Effect of interface control on mode I interlaminar fracture toughness of woven C/C composite laminates", JSME A, 44(4), 2001, pp. 573-581

Abstract

Effects of fiber/matrix interface and matrix microstructure on the mode I interlaminar fracture toughness of C/C composite materials were investigated by coating bismaleimide-triazine co-polymer (BT-resin) on the surface of carbon fiber and changing the heat-treatment temperature (HTT). For the case of laminates with HTT of 1 600 degreesC (carbonized C/C composites), the initial fracture toughness, G(1c), was insensitive to BT-resin coating. Moreover, the fracture toughness during crack propagation, G(IR), increased bycoating BT-resin. On the other hand, both G(Ic) and G(IR) decreased with BT-resin coating for the laminates with HTT of 2 500 degreesC. While both G(Ic) and G(IR) are insensitive to HTT for laminates without BT-resin coating, they both decreased by increasing HTT for laminates with BT-resin coating. The difference of the effects of interface control and HTT was discussed on the basis of microscopic mechanism consideration. Comparison between in-plane and interlaminar strength indicated the possibility to optimize the interface control.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 11:27:32