Crystal orientation dependence of ion-irradiation hardening in pure tungsten

被引：22

作者：

Hasenhuetl, Eva ^{[1
]}

Zhang, Zhexian ^{[2
]}

Yabuuchi, Kiyohiro ^{[2
]}

Song, Peng ^{[1
]}

Kimura, Akihiko ^{[2
]}

机构：

[1] Kyoto Univ, Grad Sch Energy Sci, Sakyo Ku, Kyoto 6068501, Japan

[2] Kyoto Univ, IAE, Uji, Kyoto 6110011, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2017年 / 397卷

关键词：

Tungsten; Orientation dependence; Ion-irradiation hardening; Microstructure; RADIATION-DAMAGE; HELIUM; ALLOYS;

D O I：

10.1016/j.nimb.2017.02.030

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Pure tungsten (W) single crystals of {001} and {011} surface orientations were irradiated with 6.4 MeV Fe3+ ions up to 1 dpa at 573 K. The TEM examination revealed that there was a very small orientation dependence in the radiation damaged microstructure, showing that both W{001} and W{011) exhibited a double black band structure with high number density of dislocation loop rafts in the black bands. However, the depth profile of ion-irradiation hardening evaluated by nanoindentation (NI) technique turned out to show a clear orientation dependence, namely, W{001) showed a deeper NI hardness profile than W{011}. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：11 / 14

页数：4

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