High pressure torsion of pure Ti: Effect of pressure and strain on allotropy

Kaveh Edalati, Zenji Horita, Masaki Tanaka, Kenji Higashida

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

2 被引用数 (Scopus)

抄録

High-pressure torsion (HPT) was conducted on commercial grade pure titanium (99.4%) by applying pressures in a wide range from 1.2 to 40 GPa. When the microhardness was plotted against equivalent strain, the hardness saturates to a constant level at each applied pressure. Such a level at the saturation depends on the applied pressure: for up to the pressure of 4 GPa, the saturation level is independent of the pressure but, for the pressures above 4 GPa, the hardness gradually increases with pressure because of the formation of an w phase. Bending tests showed that an excellent ductility as well as high bending strength was achieved for the sample processed at 2 GPa. The bending ductility was reduced for the sample at 6 GPa because of the ω phase formation.

本文言語英語
ホスト出版物のタイトルTHERMEC 2009 Supplement
ページ171-176
ページ数6
DOI
出版ステータス出版済み - 2010
イベント6th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2009 - Berlin, ドイツ
継続期間: 8月 25 20098月 29 2009

出版物シリーズ

名前Advanced Materials Research
89-91
ISSN(印刷版)1022-6680

その他

その他6th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2009
国/地域ドイツ
CityBerlin
Period8/25/098/29/09

!!!All Science Journal Classification (ASJC) codes

  • 工学(全般)

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