Relationship between strain effect and martensitic transformation in multifilamentary Nb 3 Sn wires

Kazuo Watanabe, K. Katagiri, K. Noto, Satoshi Awaji, K. Goto, N. Sadakata, T. Saito, O. Kohno

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1 Citation (Scopus)

Abstract

For bronze-processed multifilamentary pure Nb 3 Sn and 2.3 at. % Ti added (Nb,Ti) 3 Sn wires, which were prepared under the condition of the same wire parameters such as the filament size, filament number, and bronze ratio, the strain effects on the critical current density were measured. The large difference of the residual strain between Nb 3 Sn and (Nb,Ti) 3 Sn wires was obtained. It was found that the martensitic transformation for Nb 3 Sn compound largely contributes to the residual strain through the variation of the elastic modulus in bronze-processed multifilamentary Nb 3 Sn wires. It was verified that the ternary element addition of Ti surely suppresses the martensitic transformation in the bronze processed multifilamentary Nb 3 Sn wire.

Original languageEnglish
Pages (from-to)7404-7407
Number of pages4
JournalJournal of Applied Physics
Volume75
Issue number11
DOIs
Publication statusPublished - 1994 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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