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

H. L. Yang; S. Kano; J. McGrady; J. J. Shen; Y. Matsukawa; D. Y. Chen; K. Murakami; H. Abe

doi:10.1016/j.scriptamat.2018.11.029

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

H. L. Yang, S. Kano, J. McGrady, J. J. Shen, Y. Matsukawa, D. Y. Chen, K. Murakami, H. Abe

Materials Design Division

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

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 [101¯0] and 21¯1¯0 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 [101¯0] and [21¯1¯0] orientations, reaching the maximum at a rotation angle of ~55° with respect to [0001].

Original language	English
Pages (from-to)	209-213
Number of pages	5
Journal	Scripta Materialia
Volume	162
DOIs	https://doi.org/10.1016/j.scriptamat.2018.11.029
Publication status	Published - 2019 Mar 15

Keywords

Crystal orientation
Electron backscatter diffraction (EBSD)
Irradiation hardening
Nanoindentation
Zr alloy

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2018.11.029

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title = "Surface orientation dependence of irradiation-induced hardening in a polycrystalline zirconium alloy",

abstract = "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 [101¯0] and 21¯1¯0 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 [101¯0] and [21¯1¯0] orientations, reaching the maximum at a rotation angle of ~55° with respect to [0001].",

keywords = "Crystal orientation, Electron backscatter diffraction (EBSD), Irradiation hardening, Nanoindentation, Zr alloy",

author = "Yang, {H. L.} and S. Kano and J. McGrady and Shen, {J. J.} and Y. Matsukawa and Chen, {D. Y.} and K. Murakami and H. Abe",

note = "Funding Information: A part of this work was financially supported by the JSPS KAKENHI [grant number 18H01913 ]. This study was also carried out partly under the collaborative research project at the Nuclear Professional School, School of Engineering, The University of Tokyo . The authors gratefully acknowledge Mr. Omata for his assistance in conducting ion-irradiation experiment. Funding Information: A part of this work was financially supported by the JSPS KAKENHI [grant number 18H01913]. This study was also carried out partly under the collaborative research project at the Nuclear Professional School, School of Engineering, The University of Tokyo. The authors gratefully acknowledge Mr. Omata for his assistance in conducting ion-irradiation experiment. Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

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doi = "10.1016/j.scriptamat.2018.11.029",

language = "English",

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journal = "Scripta Materialia",

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AU - Yang, H. L.

AU - Kano, S.

AU - McGrady, J.

AU - Shen, J. J.

AU - Matsukawa, Y.

AU - Chen, D. Y.

AU - Murakami, K.

AU - Abe, H.

N1 - Funding Information: A part of this work was financially supported by the JSPS KAKENHI [grant number 18H01913 ]. This study was also carried out partly under the collaborative research project at the Nuclear Professional School, School of Engineering, The University of Tokyo . The authors gratefully acknowledge Mr. Omata for his assistance in conducting ion-irradiation experiment. Funding Information: A part of this work was financially supported by the JSPS KAKENHI [grant number 18H01913]. This study was also carried out partly under the collaborative research project at the Nuclear Professional School, School of Engineering, The University of Tokyo. The authors gratefully acknowledge Mr. Omata for his assistance in conducting ion-irradiation experiment. Publisher Copyright: © 2018 Elsevier Ltd

PY - 2019/3/15

Y1 - 2019/3/15

N2 - 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 [101¯0] and 21¯1¯0 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 [101¯0] and [21¯1¯0] orientations, reaching the maximum at a rotation angle of ~55° with respect to [0001].

AB - 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 [101¯0] and 21¯1¯0 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 [101¯0] and [21¯1¯0] orientations, reaching the maximum at a rotation angle of ~55° with respect to [0001].

KW - Crystal orientation

KW - Electron backscatter diffraction (EBSD)

KW - Irradiation hardening

KW - Nanoindentation

KW - Zr alloy

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

Abstract

Keywords

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