先驱体法制备非晶态SiBONC纳米陶瓷粉体Amorphous nano-sized SiBONC ceramic powder prepared by a polymer-derived ceramic route
韩兆祥,白宏伟,李峰,温广武,黄小萧
摘要(Abstract):
利用四氯化硅(SiCl4),苯甲醛(PhCHO),三氯化硼(BCl3),苯胺(PhNH2)为主要原料,通过有机先驱体转化法制备了SiBONC纳米陶瓷粉体。通过FT-IR、XRD、EDX、TG-DTA、TEM等分析测试手段分析了陶瓷粉体的微观结构和物相组成。先驱体在1000℃裂解得到的陶瓷粉体的平均粒径为80nm,该粉体呈非晶态结构特征,主要由Si、B、O、N、C五种元素组成,包括Si-N、Si-O-Si、B-N、Si-C基团。该陶瓷粉体高温性能优越,1300℃热处理没有质量损失。
关键词(KeyWords): 先驱体;SiBONC陶瓷粉体;纳米级;非晶态
基金项目(Foundation): 国家自然科学基金资助项目(50672018);; 黑龙江省自然科学基金(E200611);; 哈尔滨工业大学优秀团队支持计划
作者(Author): 韩兆祥,白宏伟,李峰,温广武,黄小萧
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