High precision grinding and surface modification of NiTi shape memory alloy ground by a new electrical grinding technique

Masayoshi Mizutani, Shoichi Kikuchi, Yo Hirota, Jun Komotori, Hitoshi Ohmori, Kazutoshi Katahira

Research output: Contribution to journalArticle

Abstract

Nickel-Titanium (Ni-Ti) alloy is known for its shape memory properties. These properties are useful for various biomedical applications. However, a high percentage of nickel elements in Ni-Ti alloy elicit toxicity, allergic responses, and limits practical uses of the alloy. Therefore, further improvement of the corrosion resistance of Ni-Ti alloy is desirable for implant applications. In this study, the authors conducted a study by using Ni-Ti alloy on the new compound surface modification method consisting of a new electrical grinding technique (EG-X) based on ELID (Electrolytic Inprocess Dressing) grinding and Thermal Oxidation (TO). The results showed that the new compound surface modification method can achieved high quality surface compared with the conventional TO treated surface.

Original languageEnglish
Pages (from-to)419-421
Number of pages3
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume76
Issue number764
Publication statusPublished - 2010 Apr
Externally publishedYes

Fingerprint

Nickel alloys
Shape memory effect
Titanium alloys
Surface treatment
Oxidation
Surface properties
Toxicity
Corrosion resistance
Nickel
nitinol
Hot Temperature

Keywords

  • Biomaterials
  • Elid grinding
  • Ni-Ti alloy
  • Surface modification
  • Thermal oxidation

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

High precision grinding and surface modification of NiTi shape memory alloy ground by a new electrical grinding technique. / Mizutani, Masayoshi; Kikuchi, Shoichi; Hirota, Yo; Komotori, Jun; Ohmori, Hitoshi; Katahira, Kazutoshi.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 76, No. 764, 04.2010, p. 419-421.

Research output: Contribution to journalArticle

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