Internal strain measurement for Nb 3Sn wires using synchrotron radiation

Hidetoshi Oguro; Satoshi Awaji; Kazuo Watanabe; Michinaka Sugano; Shutaro MacHiya; Takahisa Shobu; Masugu Sato; Tomoyuki Koganezawa; Kozo Osamura

doi:10.1088/0953-2048/25/5/054004

Internal strain measurement for Nb ₃Sn wires using synchrotron radiation

Hidetoshi Oguro, Satoshi Awaji, Kazuo Watanabe, Michinaka Sugano, Shutaro MacHiya, Takahisa Shobu, Masugu Sato, Tomoyuki Koganezawa, Kozo Osamura

High Field Laboratory for Superconducting Materials

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

4 Citations (Scopus)

Abstract

The internal strain of the practical Nb ₃Sn wires under tensile strain were measured by synchrotron radiation. The x-ray energy of 72keV was selected to obtain the diffraction from the Nb ₃Sn in the composite wire. The axial and lateral strains of the as-reacted and prebent wire were investigated. The Nb ₃Sn 321 and 320 diffraction peaks were measured to obtain accurate strain data because of their high intensity. It was found that the relationship between internal and external strain under the tensile strain is slightly different. The strain of the Nb ₃Sn 321 plane reveals the similar total strain applied to the Nb ₃Sn wire. The ratio of lateral/axial strain for the as-reacted and prebent wires is 0.34 and 0.30, respectively.

Original language	English
Article number	054004
Journal	Superconductor Science and Technology
Volume	25
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/25/5/054004
Publication status	Published - 2012 May 1

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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Internal strain measurement for Nb ₃Sn wires using synchrotron radiation. / Oguro, Hidetoshi; Awaji, Satoshi; Watanabe, Kazuo; Sugano, Michinaka; MacHiya, Shutaro; Shobu, Takahisa; Sato, Masugu; Koganezawa, Tomoyuki; Osamura, Kozo.

In: Superconductor Science and Technology, Vol. 25, No. 5, 054004, 01.05.2012.

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

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abstract = "The internal strain of the practical Nb 3Sn wires under tensile strain were measured by synchrotron radiation. The x-ray energy of 72keV was selected to obtain the diffraction from the Nb 3Sn in the composite wire. The axial and lateral strains of the as-reacted and prebent wire were investigated. The Nb 3Sn 321 and 320 diffraction peaks were measured to obtain accurate strain data because of their high intensity. It was found that the relationship between internal and external strain under the tensile strain is slightly different. The strain of the Nb 3Sn 321 plane reveals the similar total strain applied to the Nb 3Sn wire. The ratio of lateral/axial strain for the as-reacted and prebent wires is 0.34 and 0.30, respectively.",

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AU - Awaji, Satoshi

AU - Watanabe, Kazuo

AU - Sugano, Michinaka

AU - MacHiya, Shutaro

AU - Shobu, Takahisa

AU - Sato, Masugu

AU - Koganezawa, Tomoyuki

AU - Osamura, Kozo

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