Extraction of precipitates from age-hardenable Cu-Ti alloys

Satoshi Semboshi, Mikio Ishikuro, Shigeo Sato, Kazuaki Wagatsuma, Takayuki Takasugi

研究成果: Article査読

26 被引用数 (Scopus)


An extraction procedure has been developed to separate the precipitates, namely, metastable fine α-Cu4Ti with a tetragonal structure and stable coarse β-Cu4Ti with an orthorhombic structure, from an age-hardenable Cu-Ti alloys. When the alloy was submerged in a 7.0 M nitric acid solution at 273 K, only the Cu solid solution matrix was dissolved chemically, and both precipitates were left as insoluble residue. Subsequent structural and chemical-compositional analyses of the insoluble residue and filtrate determined the mass fraction and composition of the precipitates and matrix with high accuracy.

ジャーナルMaterials Characterization
出版ステータスPublished - 2013 6 4

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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