ELECTRON-PROBE MICROANALYSIS OF NICALON FIBERS

被引：0
|
作者：
BLEAY, SM
CHAPMAN, AR
LOVE, G
SCOTT, VD
机构：
[1] School of Materials Science, University of Bath, Calverton Down, BA2 7AY, Bath
来源：
JOURNAL OF MATERIALS SCIENCE | 1992年 / 27卷 / 19期
关键词：
D O I：
10.1007/BF00553423
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron probe microanalysis of a sample of Nicalon fibre showed it to consist of 54.9 wt% Si, 32.1 wt% C and 11.6 wt% 0. Studies of the fine structure of the X-ray emission bands suggested these elements were combined as 46 vol % silicon carbide, 34 vol % silicon oxycarbide and 20 vol % free carbon, with the oxycarbide in the outermost regions of the fibre being significantly richer in oxygen. The silicon carbide was composed of microcrystallites several micrometres in diameter and the remaining material formed an amorphous network of material surrounding the microcrystallites.
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页码：5389 / 5396
页数：8
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