The effects of V、Mo on the transformations of α phase and β phase based on β/γ TiAl
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1.School of Materials Science and Engineering,Taiyuan University of Technology;2.School of mechanical engineering,Taiyuan University of Technology
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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.
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[Xu Meng, Zhang Shuzhi, Zhang Changjiang, Lin Peng, Han Jianchao, 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.] DOI：[doi]