Microstructural studies of friction stir welded Zircaloy-4

Yutaka S. Sato; Yoshito Nagahama; Sergey Mironov; Hiroyuki Kokawa; Seung Hwan C. Park; Satoshi Hirano

doi:10.1016/j.scriptamat.2012.04.029

Microstructural studies of friction stir welded Zircaloy-4

Yutaka S. Sato, Yoshito Nagahama, Sergey Mironov, Hiroyuki Kokawa, Seung Hwan C. Park, Satoshi Hirano

ENG - Materials Processing

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

34 Citations (Scopus)

Abstract

Friction stir welding was applied to a zirconium alloy, Zircaloy-4, using a Co-based alloy tool. Zircaloy-4 was successfully welded, and a shiny, smooth surface was obtained. FSW produced a defect-free weld with a fine equiaxed grain structure in the stir zone, which caused an increase in hardness.

Original language	English
Pages (from-to)	241-244
Number of pages	4
Journal	Scripta Materialia
Volume	67
Issue number	3
DOIs	https://doi.org/10.1016/j.scriptamat.2012.04.029
Publication status	Published - 2012 Aug

Keywords

Electron backscattering diffraction
Friction stir welding
Hardness
Recrystallization
Zirconium alloy

ASJC Scopus subject areas

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

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title = "Microstructural studies of friction stir welded Zircaloy-4",

abstract = "Friction stir welding was applied to a zirconium alloy, Zircaloy-4, using a Co-based alloy tool. Zircaloy-4 was successfully welded, and a shiny, smooth surface was obtained. FSW produced a defect-free weld with a fine equiaxed grain structure in the stir zone, which caused an increase in hardness.",

keywords = "Electron backscattering diffraction, Friction stir welding, Hardness, Recrystallization, Zirconium alloy",

author = "Sato, {Yutaka S.} and Yoshito Nagahama and Sergey Mironov and Hiroyuki Kokawa and Park, {Seung Hwan C.} and Satoshi Hirano",

note = "Funding Information: The authors are grateful to Mr. A. Honda for technical assistance. Financial support from the Japanese Ministry of Education, Culture, Sports, Science and Technology with a Grant-in-Aid for Young Researchers and a Grant-in-Aid for the Global COE program in Materials Integration International Center of Education and Research at Tohoku University are gratefully acknowledged. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",

year = "2012",

month = aug,

doi = "10.1016/j.scriptamat.2012.04.029",

language = "English",

volume = "67",

pages = "241--244",

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T1 - Microstructural studies of friction stir welded Zircaloy-4

AU - Sato, Yutaka S.

AU - Nagahama, Yoshito

AU - Mironov, Sergey

AU - Kokawa, Hiroyuki

AU - Park, Seung Hwan C.

AU - Hirano, Satoshi

N1 - Funding Information: The authors are grateful to Mr. A. Honda for technical assistance. Financial support from the Japanese Ministry of Education, Culture, Sports, Science and Technology with a Grant-in-Aid for Young Researchers and a Grant-in-Aid for the Global COE program in Materials Integration International Center of Education and Research at Tohoku University are gratefully acknowledged. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/8

Y1 - 2012/8

N2 - Friction stir welding was applied to a zirconium alloy, Zircaloy-4, using a Co-based alloy tool. Zircaloy-4 was successfully welded, and a shiny, smooth surface was obtained. FSW produced a defect-free weld with a fine equiaxed grain structure in the stir zone, which caused an increase in hardness.

AB - Friction stir welding was applied to a zirconium alloy, Zircaloy-4, using a Co-based alloy tool. Zircaloy-4 was successfully welded, and a shiny, smooth surface was obtained. FSW produced a defect-free weld with a fine equiaxed grain structure in the stir zone, which caused an increase in hardness.

KW - Electron backscattering diffraction

KW - Friction stir welding

KW - Hardness

KW - Recrystallization

KW - Zirconium alloy

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