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徐萌,张树志,张长江,林鹏,韩建超,朱冬冬.V、Mo对β-γ TiAl合金α、β两相相变的影响[J].稀有金属材料与工程(英文),2019,48(1):183~189.[Xu Meng,Zhang Shuzhi,Zhang Changjiang,Lin Peng,Han Jianchao and Zhu Dongdong.The effects of V、Mo on the transformations of α phase and β phase based on β/γ TiAl[J].Rare Metal Materials and Engineering,2019,48(1):183~189.]
The effects of V、Mo on the transformations of α phase and β phase based on β/γ TiAl
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Received:May 24, 2017  Revised:September 02, 2017
DOI:
Key words: heat treatment  β/γ-TiAl  phase transformation
Foundation item:国家自然科学基金资助(项目号51604191,51504163,51501100)
Author NameAffiliation
Xu Meng,Zhang Shuzhi,Zhang Changjiang,Lin Peng,Han Jianchao and Zhu Dongdong  
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Abstract:
      Based on Ti-Al-M alloys , the effect of V、Mo elements on as-cast microstructure as well as the microstructure of different heat treatment processings is studied. V、Mo elements can change the solidification path of conventional γ- TiAl, avoid peritectic reaction, and preserve β phase to room temperature. The martensite mode will be observed in the microstructure subjected to water quenching condition, with increasing the content of V、Mo elements. During two-step heat treatment procedure, with Mo addition, alloys are prone to the transformation reaction of α→β+γ as well as β→β+γ.