Fabrication of dense Ti-Al-based alloy by spark plasma sintering

Xin Lu, Xin Bo He, Xuan Hui Qu, Shi Qiong Li

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Ti-Al alloys from prealloyed powder of Ti-47.5Al-2.5V-1.0Cr were prepared by spark plasma sintering (SPS). The results show that Ti-Al-based alloy with higher density and uniform microstructure is obtained by SPS at sintering temperature of 1100°C or above. However, the microstructures of the alloy change with the sintering temperature variation. While sintered at 1100°C and 1150°C, they consist of equiaxed (γ) and lamellar (α 2 +γ) grain; sintered at 1200°C, they are of fully lamellar microstructure. The alloys sintered at 1100°C with fine duplex microstructure exhibit better compressive properties at room temperature, with the compressive strength of 3321 MPa and the compression ratio of 35.2%.

本文言語English
ページ(範囲)20-22
ページ数3
ジャーナルJinshu Rechuli/Heat Treatment of Metals
32
2
出版ステータスPublished - 2007 2 1
外部発表はい

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 産業および生産工学
  • 金属および合金

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