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齐敏,马英杰,黄森森,邱建科,雷家峰,杨锐.固溶热处理对两相钛合金α片层球化行为的影响[J].稀有金属材料与工程(英文),2020,49(3):997~1001.[Qi Min,mayingjie,Huang Sensen,Qiu Jianke,Lei Jiafeng and Yang Rui.Qi Min, Ma Yingjie, Huang Sensen, Qiu Jianke, Lei Jiafeng, Yang Riu[J].Rare Metal Materials and Engineering,2020,49(3):997~1001.]
Qi Min, Ma Yingjie, Huang Sensen, Qiu Jianke, Lei Jiafeng, Yang Riu
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Received:January 29, 2019  Revised:October 12, 2019
DOI:
Key words: titanium  globularization  solution treatment  
Foundation item:国家自然科学基金资助(项目号51871225),中国科学院战略性科技先导专项(B类)(XDB06050100)
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Qi Min,mayingjie,Huang Sensen,Qiu Jianke,Lei Jiafeng and Yang Rui  
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Abstract:
      In this paper, the alloy of Ti-Al-Sn-Zr-Mo-Cr-V-Fe system was used as the research object. Design different solution heat treatments were to establish foundation of the optimization of the best match between the toughness and hardness of the alloy. The influence of solution time on the globularization of α layer were studied by observing metallographic organization and analysis of lamellae size. It was found that the relationship between the solution time and the α lamellae globularization was that as the increase of the solution time, and the globularization rate increased to the highest,controlled by boundary splitting and termination migration. That provides experimental basis for the design of thermal processing parameters and the matching of strength and toughness in α / β two-phase zone.