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首页> 外文期刊>Journal of Ceramic Science and Technology >Estimation of fiber/matrix interfacial friction coefficient in continuous fiber-reinforced ceramic-matrix composites at room and elevated temperatures under cyclic loading
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Estimation of fiber/matrix interfacial friction coefficient in continuous fiber-reinforced ceramic-matrix composites at room and elevated temperatures under cyclic loading

机译：循环载荷下连续纤维增强陶瓷 - 基质复合材料中纤维/基质界面摩擦系数的估计及循环载荷温度升高

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摘要

In this paper, the fiber/matrix interfacial frictional coefficient of continuous fiber-reinforced ceramic-matrix composites (CMCs) at room and elevated temperatures have been investigated. The fatigue hysteresis loops models considering the fiber/matrix interface friction between fibers and the matrix have been developed to establish the relationships between the fatigue hysteresis loops, fatigue hysteresis dissipated energy and fiber/matrix interface frictional coefficient. Using the experimental fatigue hysteresis dissipated energy, the fiber/matrix interface frictional coefficient of SiC/Si3N4 and SiC/SiC composites at room and elevated temperatures were obtained for different cycle numbers, interface properties and fatigue peak stresses. The effects of fiber/matrix interface bonding, fatigue peak stress, test temperature and cycle number on the evolution of fatigue hysteresis dissipated energy and fiber/matrix interface frictional coefficient have been analyzed.
机译：本文研究了室内连续纤维增强陶瓷 - 基质复合材料（CMC）的纤维/基质界面摩擦系数并进行了升高的温度。 考虑到纤维和矩阵之间的纤维/基质界面摩擦的疲劳滞后环模型已经开发出建立疲劳滞后环之间的关系，疲劳滞后耗散能量和纤维/矩阵界面摩擦系数。 使用实验性疲劳滞后耗散能量，为不同的循环数，界面性质和疲劳峰应力获得SiC / Si3N4和SiC / SiC复合材料的纤维/基质界面摩擦系数。 已经分析了纤维/基质界面粘合，疲劳峰应力，测试温度和循环次数对疲劳滞后能量和纤维/基质界面摩擦系数的效果。

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