(中南大學(xué) 材料科學(xué)與工程學(xué)院,長沙 410083)
摘 要: 對凝膠注模成型技術(shù)的研究與進(jìn)展情況進(jìn)行綜述。闡述成型原理和工藝過程;總結(jié)凝膠體系,并根據(jù)凝膠體系的來源將其分為合成凝膠體系和天然凝膠體系兩類;介紹該技術(shù)在粗顆粒粉體材料、復(fù)合材料、多孔材料、功能材料和粉末冶金等領(lǐng)域的應(yīng)用研究情況;探討凝膠注模成型技術(shù)存在的問題和研究發(fā)展方向。
關(guān)鍵字: 凝膠注模;成型技術(shù);凝膠體系;應(yīng)用
(School of Materials Science and Engineering, Central South University, Changsha 410083, China)
Abstract:The research and development of gelcasting techniques are reviewed. The principles and processes of this forming technology are discussed. Gel systems are summed up and divided into synthetic and natural gel systems according to the source of gel systems. Applications are commented. Finally, the problems and development of gelcasting technology are also pointed out and analyzed.
Key words: gelcasting; forming technique; gel system; application


