期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 42, 期 3, 页码 221-228出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2010.10.015
关键词
Ceramic-matrix composites (CMCs); Carbon-carbon composites (CCCs); High-temperature properties; Thermal analysis
Processing, mechanical properties, and ablation behavior of SiC fiber/carbon matrix composites for a thermal protection system material of a re-entry vehicle were examined. Orthogonal 3-D woven fabrics (V(f) = 0.21, 0.21 and 0.02 for x, y, z directions) made of SiC fibers (Tyranno ZMI) were applied for reinforcement with a carbon matrix formed by polymer impregnation and pyrolysis (PIP) and/or chemical vapor infiltration (CVI). This SiC/CVI-C composite has high ultimate tensile strength of 415 MPa at 25 degrees C. Air plasma exposure in a plasma wind tunnel revealed no surface recession. The mass loss rate decreased over time. The SiC/C composites exhibit excellent oxidation resistance in high enthalpy plasma air for short durations. (C) 2010 Elsevier Ltd. All rights reserved.
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