Graphene/mullite composite material and preparation method thereof

The invention provides a graphene/mullite composite material and a preparation method thereof, and relates to the field of ceramic matrix composites.The preparation method comprises the steps that epoxy resin and a proper amount of solvent are evenly mixed to form sol, then graphene and mullite powder are sequentially added into the sol to be oscillated and heated, the mixture is put into a constant-temperature water bath kettle after being cooled, and a curing agent is added; the graphene/mullite composite materials with different proportions of graphene content are prepared; the material provided by the invention has the characteristics of both a mechanical composite material and a functional composite material, and has great application potential in the fields of structures, electrical properties, wave absorption and the like. 本发明提供了一种石墨烯/莫来石复合材料及其制备方法，涉及陶瓷基复合材料领域，其中将环氧树脂和适量溶剂混合均匀形成溶胶，再将石墨烯和莫来石粉末依次加入溶胶中振荡加热，等待冷却后放入恒温水浴锅加入固化剂，制备得到不同比例的石墨烯含量的石墨烯/莫来石复合材料；本发明提供的材料既兼具力学型复合材料和功能型复合材料的特点，在结构、电性能及吸波等领域中有较大的应用潜力。