EFFECT OF IRRADIATION ON THE PRECIPITATE STABILITY IN ZR ALLOYS

被引：52
|
作者：
PECHEUR, D
LEFEBVRE, F
MOTTA, AT
LEMAIGNAN, C
CHARQUET, D
机构：
[1] PENN STATE UNIV, DEPT NUCL ENGN, UNIV PK, PA 16802 USA
[2] CEZUS, CTR RECH UGINE, F-73400 UGINE, FRANCE
来源：
JOURNAL OF NUCLEAR MATERIALS | 1993年 / 205卷
关键词：
D O I：
10.1016/0022-3115(93)90108-B
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zirconium alloys undergo structural changes under various types of irradiation. This is particularly the case for intermetallic precipitates such as Zr2(Fe,Ni), Zr(Fe,Cr)2 in Zircaloys and Zr(Fe,V)2 in Zr-Fe-V alloy: under irradiation those phases are subject to a crystalline-to-amorphous transformation. Experimental results obtained with electron and ion irradiations are presented. With both types of irradiations, the dose to amorphization increases with the irradiation temperature and diverges when a critical temperature is reached. The relative stabilities of the four types of precipitates studied appear to be reversed for low and high irradiation temperatures.
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页码：445 / 451
页数：7
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