Carbon/Carbons and Their Industrial Applications
Carbon/Carbons and Their Industrial Applications
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DOI：
10.1002/9781118832998.ch5
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发表时间：
2008-06
期刊：
影响因子：
--
通讯作者：
H. Hatta;R. Weiss;P. David
中科院分区：
文献类型：
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作者：
H. Hatta;R. Weiss;P. David
空军和NASA研究计划对高温下更高机械性能的要求导致了碳的增强和碳/碳的发展。碳/碳的工业生产工艺使用三种类型的基质系统：热固性树脂、热塑性前体和气相衍生碳或陶瓷。近年来，研究发现碳/碳复合材料的力学性能受其纤维/基体界面性能的影响。本章涉及这种最近的进展，关于碳/碳的强度，包括他们的拉伸，剪切，压缩和疲劳强度的研究。C/C复合材料的热性能，如导热系数和热膨胀系数，对于这些材料的主要应用，如制动器，再入防护罩，火箭喷嘴，第一壁托卡马克和热交换器是非常重要的特性。碳/碳的氧化保护必须应用于在420°C以上的氧化气氛中使用的所有材料。
The requirements for higher mechanical properties at high temperatures from Air Force and NASA research programs resulted in the reinforcement of carbon and the development of carbon/carbons. Three types of matrix systems are used for the industrial manufacturing processes for carbon/carbons: thermosetting resins, thermoplastic precursors, and gas‐phase‐derived carbons or ceramics. Recently, the mechanical properties of carbon/carbons have found to be profoundly affected by their fiber/matrix interfacial properties. The chapter deals with such recent progress regarding the strengths of carbon/carbons, including studies of their tensile, shear, compressive, and fatigue strengths. Thermal properties of C/C composites, such as the thermal conductivity and thermal coefficient expansion, are very important characteristics for the main applications of these materials, such as brakes, re‐entry shields, rocket nozzles, first wall tokamaks, and heat exchangers. Oxidation protection of carbon/carbon has to be applied for all materials which are used in an oxidative atmosphere above 420°C.