High-strength binary Ti-Fe bulk alloys with enhanced ductility

Dmitri V. Louzguine, Hidemi Kato, Larissa V. Louzguina, Akihisa Inoue

研究成果: Article査読

89 被引用数 (Scopus)

抄録

The structure of hypoeutectic, hypereutectic, and eutectic Ti-Fe in the alloys produced shape of arc-melted ingots was found to consist of the ordered Pm-3m TiFe and disordered BCC Im3̄m β-Ti solid solution phase. The dimensions of the ingots were about 25-40 mm in diameter and 10-15 mm in height, and their structure was studied by x-ray diffractometry and scanning electron microscopy. The rectangular parallelepiped-shaped samples 2.5 × 2.5 × 5 mm in size cut from the central part of the ingots exhibit a high strength of about 2000 MPa, except for Ti60Fe40, and a certain ductility. The relatively low density of Ti (4.5 Mg/m3) implies high strength/density ratio for the studied alloys. These alloys are characterized by the low cost of the alloying element Fe and, compared to most of the high-strength non-equilibrium materials, do not require additional injection mold casting or rapid solidification procedures.

本文言語English
ページ(範囲)3600-3606
ページ数7
ジャーナルJournal of Materials Research
19
12
DOI
出版ステータスPublished - 2004 12

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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