Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy

Ryota Kondo, Ryota Shimizu, Naoyuki Nomura, Hisashi Doi, Suyalatu, Yusuke Tsutsumi, Kazutaka Mitsuishi, Masayuki Shimojo, Kazuhiko Noda, Takao Hanawa

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The magnetic susceptibility of cold-rolled Zr-14Nb was evaluated to apply a new metallic medical device used for magnetic resonance imaging (MRI). The magnetic susceptibility of cold-rolled Zr-14Nb decreased up to the reduction ratio of 30%, then gradually decreased up to the ratio of 90%. Transmission electron microscopic observation revealed the strain-induced formation of ω phase after cold rolling at the reduction ratio of 5%, indicating that the initial decrease in magnetic susceptibility was caused by the formation of the ω phase. The ω phase was saturated at the reduction ratio of 30%. The formation of the ω phase could be explained on the basis of the increase in the Young's modulus and Vickers hardness of cold-rolled Zr-14Nb. The effect of texture formation on these properties was not obvious in the cold-rolled Zr-14Nb. Because of the strain-induced formation of the ω phase, the magnetic susceptibility of Zr-14Nb can be reduced by cold rolling to as low as that of as-cast Zr-9Nb, which is one-third that of Ti and Ti alloys. Therefore, cold-workable Zr-14Nb with low magnetic susceptibility could be a promising alloy for medical devices under MRI.

Original languageEnglish
Pages (from-to)5795-5801
Number of pages7
JournalActa Biomaterialia
Volume9
Issue number3
DOIs
Publication statusPublished - 2013 Mar

Fingerprint

Cold rolling
Magnetic susceptibility
Magnetic resonance
Imaging techniques
Vickers hardness
Textures
Elastic moduli
Electrons

Keywords

  • Cold rolling
  • Magnetic susceptibility
  • Phase constitution
  • Young's modulus
  • Zr-Nb alloy

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering
  • Biotechnology
  • Biochemistry
  • Molecular Biology

Cite this

Kondo, R., Shimizu, R., Nomura, N., Doi, H., Suyalatu, Tsutsumi, Y., ... Hanawa, T. (2013). Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy. Acta Biomaterialia, 9(3), 5795-5801. https://doi.org/10.1016/j.actbio.2012.10.046

Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy. / Kondo, Ryota; Shimizu, Ryota; Nomura, Naoyuki; Doi, Hisashi; Suyalatu; Tsutsumi, Yusuke; Mitsuishi, Kazutaka; Shimojo, Masayuki; Noda, Kazuhiko; Hanawa, Takao.

In: Acta Biomaterialia, Vol. 9, No. 3, 03.2013, p. 5795-5801.

Research output: Contribution to journalArticle

Kondo, R, Shimizu, R, Nomura, N, Doi, H, Suyalatu, Tsutsumi, Y, Mitsuishi, K, Shimojo, M, Noda, K & Hanawa, T 2013, 'Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy', Acta Biomaterialia, vol. 9, no. 3, pp. 5795-5801. https://doi.org/10.1016/j.actbio.2012.10.046
Kondo R, Shimizu R, Nomura N, Doi H, Suyalatu, Tsutsumi Y et al. Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy. Acta Biomaterialia. 2013 Mar;9(3):5795-5801. https://doi.org/10.1016/j.actbio.2012.10.046
Kondo, Ryota ; Shimizu, Ryota ; Nomura, Naoyuki ; Doi, Hisashi ; Suyalatu ; Tsutsumi, Yusuke ; Mitsuishi, Kazutaka ; Shimojo, Masayuki ; Noda, Kazuhiko ; Hanawa, Takao. / Effect of cold rolling on the magnetic susceptibility of Zr-14Nb alloy. In: Acta Biomaterialia. 2013 ; Vol. 9, No. 3. pp. 5795-5801.
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