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对ＡｌＴｉ５Ｂ中间合金中ＴｉＡｌ３化合物的形成规律进行了系统研究，揭示了熔炼温度、结晶速度与ＴｉＡｌ３晶体形态和尺寸的关系，并按照熔炼温度、结晶速度与ＴｉＡｌ３形态及性质的相互关系依次划分为五个区。
The formation regularity of TiAl3 in AlTi5B master alloy was systematically studied. The relationship between the melting temperature and the crystallization rate and the morphology and size of TiAl3 crystal was revealed. According to the relationship between the melting temperature, the crystallization rate and the morphology and properties of TiAl3, A district.