热处理对碳化硅基复合材料结构与力学性能的影响
发布时间:2018-10-05 10:40
【摘要】:碳化硅纤维增强碳化硅复合材料(Si C/Si C)是极具前景的高温结构材料。通过先驱体浸渍裂解(PIP)工艺制备了Si C/Si C复合材料。在惰性气氛下,1400~1800℃范围内对Si C/Si C复合材料进行热处理,用红外热像仪作为测温工具监测材料温度,研究了热处理温度对Si C/Si C复合材料结构和力学性能的影响。结果表明,经1400℃热处理后复合材料基体结晶程度增加,整体力学性能提高;随热处理温度进一步提高,复合材料纤维受损,力学性能急剧下降。
[Abstract]:Silicon carbide fiber reinforced silicon carbide composite (Si C/Si C) is a promising high temperature structural material. The Si C/Si C composites were prepared by the precursor impregnation cracking (PIP) process. Si C/Si C composites were heat-treated in inert atmosphere at 1 400 鈩,
本文编号:2253071
[Abstract]:Silicon carbide fiber reinforced silicon carbide composite (Si C/Si C) is a promising high temperature structural material. The Si C/Si C composites were prepared by the precursor impregnation cracking (PIP) process. Si C/Si C composites were heat-treated in inert atmosphere at 1 400 鈩,
本文编号:2253071
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