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Fatigue Behavior at High Temperature in Air of a 2D Woven SiCISiBC with a Self Healing Matrix

机译:具有自愈矩阵的二维编织SiCISiBC在空气中的高温疲劳行为

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摘要

The behavior and the lifetime of a SiC/SiBC composite in cyclic fatigue at high temperatures (700 deg C-1200 deg C) are investigated. The influence of vanous factors including the temperature, the applied stress, the loading frequency and matrix crack density is examined. The behavior was related to the crack sealing mechanisms and to intephase degradation. Glass formation was evidenced by microscopy and EPMA.
机译:研究了SiC / SiBC复合材料在高温(700℃至1200℃)下的循环疲劳行为和寿命。研究了温度,外加应力,加载频率和基体裂纹密度等各种因素的影响。该行为与裂纹密封机制和界面降解有关。通过显微镜和EPMA证明玻璃形成。

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