研究了SiC料浆的稳定性和流变特性、SiC粉末的填实过程、SiC薄带和骨架的制备技术、SiC的固相烧结和骨架密度的控制,以及压力浸渗等科学问题和工艺问题.采用新提出的技术路线,即以"浇带法"和(或)"料浆浇注法"制备其组成和结构递变的SiC薄带和(或)料块;以无压烧结获得具有密度梯度的SiC陶瓷骨架;以液体金属Al压力浸渗入具有密度梯度的SiC骨架,成功地合成了SiC-Al陶瓷-金属梯度功能材料.
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