Tensile strength and fiber/matrix interfacial properties of 2D-and 3D-carbon/carbon composites

被引:51
作者
Hatta, H
Goto, K
Ikegaki, S
Kawahara, I
Aly-Hassan, MS
Hamada, H
机构
[1] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Res Div Space Struct & Mat, Sagamihara, Kanagawa 2298510, Japan
[2] Kyoto Inst Technol, Sakyo Ku, Matsugasaki, Kyoto 6068585, Japan
[3] Kogakuin Univ, Grad Sch Engn, Hachioji, Tokyo 1920015, Japan
关键词
C/C composites; strength; interfaces; HIP; residual stresses;
D O I
10.1016/j.jeurceramsoc.2004.02.014
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The tensile and fiber/matrix interfacial properties of 2D and 3D carbon/carbon composites (C/C) were compared. To elucidate the effect of three-dimensional reinforcement, both C/Cs were composed of the same constituents and prepared via. the same process route. The tensile fracture strain of both C/Cs degraded with increasing bulk density, and the fracture strain of the 3D-C/Cs were larger than that of the 2D-C/Cs at the same bulk density. The interfacial bonding strength of the 3D-C/Cs were found to be much lower than that of the 2D-C/Cs. From the comparison of the interfacial and tensile fracture behavior, high tensile fracture strains of 3D-C/Cs were concluded to be attributed to the weak interfacial bonding. This low interfacial strength of the 3D-C/Cs was suggested to be caused by the residual stresses induced during processing in the 3D-C/Cs due to three-dimensional restriction of the fibers. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:535 / 542
页数:8
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