Effects of trace alloying elements on the phase transformation behaviors of ordered ω phases in high Nb-TiAl alloys

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• 作者：Lin Song^a ; ^{songlin@nwpu.edu.cn} ; Junpin Lin^b ; Jinshan Li^a
• 关键词：TiAl ; Phase transformation ; Microstructure ; Electron microscopy
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：5 January 2017
• 年：2017
• 卷：113
• 期：Complete
• 页码：47-53
• 全文大小：1426 K
• 卷排序：113

文摘

The effects of Cr, Mn and Ni on the formation of ordered ω phases were studied. Mn suppressed the formation of ordered ω phases. ωo and βo phases co-existed in the Cr-containing alloy after annealing. A Ti-Al-Ni ternary phase was identified in Ni-containing TiAl alloy after annealing.