ON THE MECHANISM OF DIMENSIONAL CHANGE OF NEUTRON-IRRADIATED GRAPHITE

被引：45
|
作者：
TANABE, T
MUTO, S
NIWASE, K
机构：
[1] OSAKA UNIV,COLL GEN EDUC,TOYONAKA,OSAKA 560,JAPAN
[2] HYOGO UNIV TEACHERS EDUC,YASHIRO,HYOGO 67314,JAPAN
来源：
APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 14期
关键词：
D O I：
10.1063/1.108436
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In order to investigate the mechanism of large volume expansion of graphite due to neutron irradiation we have made in situ observation of damage structure of graphite with a high resolution transmission electron microscope (HRTEM). Both bending and randomizing the orientation of broken basal planes are proposed to be the origin for the large volume expansion of the irradiated graphite. It is also found that graphite easily loses its lattice ordering in the basal planes as demonstrated by halo rings in the (1010BAR) diffraction pattern, while hardly losing its layered structure, i.e., (002) spots are retained.
引用
收藏
页码：1638 / 1640
页数：3
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