ON THE EFFECT OF RADIATION-INDUCED SEGREGATION ON VOID SHAPE AND GROWTH-RATE

被引：12
|
作者：
BAKAI, AS
BORODIN, OV
BRYK, VV
VOYEVODIN, VN
ZELENSKIJ, VF
NEKLYUDOV, IM
PLATONOV, PV
TURKIN, AA
机构：
[1] Kharkov Institute of Physics and Technology, Kharkov
来源：
JOURNAL OF NUCLEAR MATERIALS | 1991年 / 185卷 / 03期
关键词：
D O I：
10.1016/0022-3115(91)90511-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microstructural changes have been studied in Cr18Ni10Ti steel irradiated in BOR-60 up to 40 dpa at 580-600-degrees-C. It was found that in the vicinity of the voids associated with G-phase particles the composition of steel is practically the same as the average matrix one, whereas the isolated voids are surrounded by Ni and Si-enriched zones. The shape and size of a void depend on local composition near it - the mean size of octahedral voids (associated with G-phase particles) is greater than that of isolated cubic voids. A theoretical model is developed to explain the observed difference between growth rates of free and precipitate-attached voids.
引用
收藏
页码：260 / 267
页数：8
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