The Formation of Microcrystal in Helium Ion Irradiated Aluminum Alloy

被引：1
|
作者：
Wan, Hao [1 ]
Zhao, Shuai [1 ]
Jin, Qi [1 ]
Yang, Tingyi [1 ]
Si, Naichao [2 ]
机构：
[1] Taizhou Univ, Sch Naval Architecture & Mech Elect Engn, Taizhou 225300, Peoples R China
[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
COATINGS | 2019年 / 9卷 / 08期
关键词：
ion irradiation; dislocation; irradiation defect; microcrystal; INCONEL; 718; DISLOCATION; EVOLUTION; PURE; ACCUMULATION; BEHAVIOR; DAMAGE;
D O I：
10.3390/coatings9080516
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A microstructure variation in Al-1060 alloy after helium ion irradiation was revealed by a transmission electron microscope (TEM). The result shows that ion irradiation produced dislocations, dislocation loops, cavities and microcrystals in the irradiated layer. Dislocation-defect interactions were portrayed, especially the pinning effect of a dislocation loop and cavity on moving dislocation. Irradiation-induced stress was recognized as the main factor which impacted on the interaction of defect. Based on the dislocation inhibited with irradiation defects, the mechanism of microcrystal formation was proposed.
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页数：9
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