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高国富,浮宗霞,王毅,向道辉,赵波.Ti-Al系金属间化合物精密加工研究进展[J].稀有金属材料与工程(英文),2021,50(5):1867~1882.[gaogufu,fuzongxia,wangyi,xiangdaohui and zhaobo.Research progress on precision machining of Ti-Al intermetallic compounds[J].Rare Metal Materials and Engineering,2021,50(5):1867~1882.]
Research progress on precision machining of Ti-Al intermetallic compounds
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Received:July 01, 2020  
Key words: Ti-Al intermetallic compound  precision machining technology  cutting performance  surface integrity  ultrasonic vibration-assisted machining technology
Foundation item:国家自然科学基金项目(面上项目,重点项目,重大项目)
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gaogufu,fuzongxia,wangyi,xiangdaohui and zhaobo  
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      Characteristics of room temperature brittleness for the rare material Ti-Al intermetallic compounds limit the choice of precision machining technology and its application in aerospace and national defense to a certain extent. In order to promote the adaptability of rare alloy materials in precision machining technology and high quality and high efficiency to obtain good surface quality. This article reviews the research technology on the precision machining of Ti-Al intermetallic compounds. First, the material properties of such materials and the overall status of precision machining technology are summarized. Subsequently, the cutting performance (material removal mechanism, cutting force, cutting temperature, chip shape and tool wear) of the machinability is mainly analyzed. Simultaneously summarize the surface integrity (surface roughness, surface defects, residual stress, work hardening and microstructure) of the material after processing. Finally, the ultrasonic vibration-assisted machining technology used in Ti-Al intermetallic compounds is prospected to provide a certain theoretical basis and technical support for the processing of such materials.