梯度复合SiC/C面向等离子体材料的制备与表征

无机材料学报, 2003, 18(4): 794-800. doi: 10.3321/j.issn:1000-324X.2003.04.014

梯度复合SiC/C面向等离子体材料的制备与表征

武安华 ^1, , 曹文斌 ^2, , 葛昌纯 ^3, , 李敬锋 ^4, , 川崎亮 ^5,

1.北京科技大学特种陶瓷粉末冶金研究室,北京,100083;中国科学院上海硅酸盐研究所,上海,200050

2.北京科技大学特种陶瓷粉末冶金研究室,北京,100083

3.北京科技大学特种陶瓷粉末冶金研究室,北京,100083

4.清华大学材料科学与工程系,北京,100084;日本东北大学,仙台,980-8579

5.日本东北大学,仙台,980-8579

基金项目: 国家高技术研究发展计划(863计划)(863-715-011-0230)

关键词：功能梯度材料 , 面向等离子体材料 , 热导

Processing and Characterization of Graded SiC/C Plasma Facing Composite

利用粉末冶金方法,完成了SiC和C两种难烧结物质的同步烧结,制备出了SiC成分分布从0%～100%的接近理论密度的SiC/C FGM,显微观察显示材料的成分和结构是呈梯度分布的.材料将SiC的良好的耐腐蚀性和石墨的良好的抗热冲击性结合在一起,并具有较高的有效热导和良好的抗热疲劳能力,化学溅射和Tokamak原位等离子体辐照结果显示材料具有良好的耐高温等离子体冲刷性能.

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梯度复合SiC/C面向等离子体材料的制备与表征

Processing and Characterization of Graded SiC/C Plasma Facing Composite

参考文献