Effects of addition of yttrium on properties and microstructure for China Low Activation Martensitic (CLAM) steel

被引：34
作者：
Li, Yanfen
Huang, Qunying
Wu, Yican
Zheng, Yongnan
Zuo, Yi
Zhu, Shengyun
机构：
[1] Acad Sinica, Inst Plasma Phys, Hefei 230031, Peoples R China
[2] Inst Atom Energy, Beijing 102413, Peoples R China
来源：
FUSION ENGINEERING AND DESIGN | 2007年 / 82卷 / 15-24期
关键词：
CLAM; yttrium; tensile experiment; F-19 ion irradiation; positron annihilation spectroscopy;
D O I：
10.1016/j.fusengdes.2007.07.048
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The effects of yttrium on properties and microstructure for China Low Activation Martensitic (CLAM) steel have been investigated. The tensile test shows that the addition of 0.2% yttrium decreases the strength of CLAM steel before irradiation. The results obtained by positron annihilation lifetime measurements of the CLAM, F82H and T91 steels irradiated by 80 MeV F-19 ions to 10 dpa demonstrate that the irradiation resistant property of CLAM steel with yttrium is much better than that of other two steels. The SEM and TEM observations suggest the addition of yttrium both refines the martensitic lath structure and leads to the precipitation of big Y2Fe17C0.75 compound. (C) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：2683 / 2688
页数：6
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