ZrB2-SiC超高温陶瓷的定量分析  

Quantitative Phase Analysis of The ZrB_2-SiC Ultrahigh Temperature Ceramics

作　　者：王晓叶[1] 郑斌[1] 冯志海[1] 

机构地区：[1]航天材料及工艺研究所,先进功能复合材料技术重点实验室,北京100076

出　　处：《宇航材料工艺》2013年第2期95-98,共4页Aerospace Materials & Technology

摘　　要：利用XRD对超高温陶瓷粉进行分析,从衍射谱图能得到各物相组成为ZrB2、SiC、ZrO2,并且采用全谱拟合法对各物相进行定量计算。结果显示,定量分析结果的绝对误差小于2%,全谱拟合分析方法能准确地对超高温陶瓷的物相进行定量分析。The phase composition of ZrB2-SIC ultrahigh temperature ceramics （UTC）are analyzed by XRD, and the quantitative analysis data were obtained from the Rietveld analyses. The results show that the phase compositions of UTC are ZrB/, SiC, ZrO2, the quantitative analysis data from this work are close to the real ratio of the samples. The Rietveld methord is reliable for the quantitative phase analysis of the ZrB2-SiC ultrahigh temperature ceramics.

关 键 词：高温陶瓷 X射线衍射 全谱拟合法 物相定量 ZrB2--SiC 

分 类 号：V254.2[一般工业技术—材料科学与工程]