Microstructure and mechanical properties of α' martensite type Ti alloys deformed under the α' processing

Hiroaki Matsumoto, Kazuki Kodaira, Kazuhisa Sato, Toyohiko J. Konno, Akihiko Chiba

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Microstructure and mechanical properties of cold groove rolled α' Ti-V-Al and Ti-V-Sn alloys were investigated. Microstructure after solution treatment at 1223 K and quenching into ice water showed the acicular martensitic structure of α' phase for (Ti-12mass%V)-2 mass%Al and (Ti-8 mass%V)-4mass%Sn alloys and (α' + α') phases for (Ti-12 mass%V)-6 mass%Sn alloy. After cold groove rolling at reduction of 75%, microstructure evolved into the equiaxed refined cell structure having the preferred rolling texture of 〈101̄0〈 parallel to rolling direction. After cold groove rolling, Young's modulus decreases to 47.5 GPa, in contrast, tensile strength increases to more than 1000 MPa accompanying with work nardening and gram rennement.

本文言語English
ページ(範囲)2744-2750
ページ数7
ジャーナルMaterials Transactions
50
12
DOI
出版ステータスPublished - 2009 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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