Surface orientation dependence of irradiation-induced hardening in a polycrystalline zirconium alloy

被引：14

作者：

Yang, H. L. ^{[1
]}

Kano, S. ^{[1
]}

McGrady, J. ^{[1
]}

Shen, J. J. ^{[1
,5
]}

Matsukawa, Y. ^{[2
]}

Chen, D. Y. ^{[3
]}

Murakami, K. ^{[4
]}

Abe, H. ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Nucl Profess Sch, 2-22 Shirakata Shirane, Tokai, Ibaraki 3191188, Japan

[2] Tohoku Univ, Grad Sch Engn, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan

[3] Univ Tokyo, Sch Engn, Dept Nucl Engn & Management, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[4] Nagaoka Univ Technol, Inst Gigaku, 1603-1 Kamitomioka, Nagaoka, Niigata 9402188, Japan

[5] Natl Inst Fus Sci, Oroshi 322-6, Toki, Gifu 5095292, Japan

来源：

SCRIPTA MATERIALIA | 2019年 / 162卷

关键词：

Zr alloy; Electron backscatter diffraction (EBSD); Irradiation hardening; Nanoindentation; Crystal orientation; DISLOCATION DYNAMICS SIMULATIONS; MECHANICAL-PROPERTIES; TENSILE PROPERTIES; ION-IRRADIATION; NB; MICROSTRUCTURE; EVOLUTION; HARDNESS; TEXTURE; ZIRCALOY-2;

D O I：

10.1016/j.scriptamat.2018.11.029

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A combination of ion-accelerator irradiation, nanoindentation tests, and electron backscatter diffraction analysis was utilized to probe the crystal orientation dependence of irradiation-induced hardening in a Zr alloy. The nanohardness at the [0001] orientation exhibited the highest value, which gradually decreased when the orientation deviated from the [0001] axis to the [1010] and [2110] axes, regardless of the irradiation dose. Crystal-orientation-dependent irradiation-induced hardening is further confirmed. The lowest hardening was observed at [0001] orientation, and the hardening effect intensified toward the [10 (1) over bar0] and [2(11) over bar 0] orientations, reaching the maximum at a rotation angle of similar to 55 degrees with respect to [0001]. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：209 / 213

页数：5

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