作者：权国辉，白玲（郑州职业技术学院材料工程系，河南郑州450121）
摘要：以TC4钛合金大型模锻件二梁热锻过程中晶粒分布和相分布为研究对象，运用有限元分析软件构建晶粒和相的时空演变模型，分析了锻件各位置锻造过程中动态再结晶和相变规律。研究结果揭示了整个工艺过程中的微观组织演变历程，为大型钛合金零件的锻造提供了理论依据。
关键词：TC4钛合金；晶粒；相；时空演变；锻件
中图分类号：TG314 文献标识码：B 文章编号：1001-2168（2020）10-0057-05
DOI：10.16787/j.cnki.1001-2168.dmi.2020.10.013
Analysis on temporal and spatial evolution for hot forging dual phase and grain of TC4 titanium alloy
QUAN Guo-hui, BAI Ling (Department of Materials Engineering, Zhengzhou Technical College, Zhengzhou, Henan 450121, China)
Abstract: Taking the grain distribution and phase distribution during the hot forging process of the second beam of large die forgings with TC4 titanium alloy as the research object, the finite element analysis software was used to construct the temporal and spatial evolution model of the grains and phases, and the law of dynamic recrystallization and phase transition of forging was analyzed during the forging process. The research results revealed the evolution of the microstructure during the whole process, and provided theoretical basis for forging large titanium alloy parts.
Key words: TC4 titanium alloy; grain; phase; temporal and spatial evolution; forgings