X-RAY DIFFRACTION ANALYSES OF PHASE RELATIONSHIPS IN A RAPIDLY SOLIDIFIED Ti3Al-BASED ALLOY

Xu Rui; Cui Yuyou; Li Dong; Hu Zhuangqi; Xu Daming; Li Qingchun

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Journal of Aeronautical Materials ›› 1995, Vol. 15 ›› Issue (4) : 15-19.

X-RAY DIFFRACTION ANALYSES OF PHASE RELATIONSHIPS IN A RAPIDLY SOLIDIFIED Ti₃Al-BASED ALLOY

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Abstract

The phase transformation in aging of a rapidly solidified Ti-25Al-10Nb-3V-1Mo alloy was studiedwith X-ray diffraction in this paper. The results show that metastable β0 phase in rapidly solidified alloytransformed to different phases in the various temperatures. The isothermal β0→O transition took place inthe alloy aged in the temperature between 600～800℃ while O+α2+β0 phases was found in the alloy agedat 810℃ and α2+β0 phases aged at 950℃.

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Ti3Al-based alloy / aging phase transfor / O phase

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Xu Rui, Cui Yuyou, Li Dong, Hu Zhuangqi, Xu Daming, Li Qingchun. X-RAY DIFFRACTION ANALYSES OF PHASE RELATIONSHIPS IN A RAPIDLY SOLIDIFIED Ti₃Al-BASED ALLOY[J]. Journal of Aeronautical Materials, 1995, 15(4): 15-19

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