Effect of Heat Treatment Process on Properties of Mullite Fibers

摘要：

　　Mullite fibers were prepared by sol-gel process using aluminum powder,crystalline aluminum chloride and silica sol as main raw materials.The effect of heating rate on the average single fiber tensile strength of the fibers was studied.The changes of average single fiber tensile strength,microstructure,linear shrinkage and specific surface area of sintered fibers at different heat treatment temperatures were compared.The results showed that the average single fiber tensile strength of sintered fibers was the highest at 4℃·min-1,which was 1040 Mpa.When the sintering temperature was 1100-1200℃,the surface of the fiber swere smooth and uniform,and some stable crystalline phases appeared in the fibers,and the average single fiber tensile strength was above 900 MPa.

关键词： mullite fibers heat treatment average single fiber tensile strength

作者: WANG Jia XU Jianfeng XU Peipei LU Xiangyang

作者单位: State Key Laboratory of advanced refractories,Sinosteel Luoyang Institute of refractories Research Co., Ltd.,Luoyang 471039, China

会议类型: 国际会议

会议名称: Conference on Refractories International 2018, CRI2018)(2018国际耐火材料学术会议)

会议地点: 杭州

会议语种:英文

页码: 1-4

在线出版日期: 2018-10-17（万方平台首次上网日期，不代表论文的发表时间）