Homogenization of as-cast Ti-45Al-8.5Nb-0.5 (W, B, Y) alloy

Xin Lu, Langping Zhu, Chengcheng Liu, Tengfei Zhao, Lin Zhang, Mao Wu, Xuanhui Qu

研究成果: Article査読

2 被引用数 (Scopus)


Ti-45Al-8.5Nb-0.5 (W, B, Y) (at%) ingot was prepared using an induction furnace with a water-cooled copper crucible. The microstructure of the ingot and the effect of the homogenizing temperature on the microstructure were studied. The results show that the ingot exhibits full lamellar microstructure with a large amount of network β phase and Al-rich phase segregations. The segregations can be efficiently eliminated through heat treatment at the α phase region of the segregation area, and after fully holding then slowly cooling down, the uniform fully lamellar microstructure can be obtained. Heat treated at 1420°C for 12 h with furnace cooling, the alloy exhibits full lamellar microstructure without β phase and Al-rich phase, and the average grain size and lamellar spacing are 320 μm and 0.8 μm, respectively.

ジャーナルJinshu Rechuli/Heat Treatment of Metals
出版ステータスPublished - 2012 5

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys

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