Medical titanium material The manufacturer introduces that the diversity of titanium plate microstructure is regularly related to the production process of titanium plate in multiple processes and the diversity of each process. This complex relationship makes it difficult for traditional methods to predict and control the microstructure and properties of titanium plates. With the development of computer and numerical simulation technology in recent years, the numerical simulation method of microstructure has become a powerful tool to obtain the quantitative relationship between the main process parameters and the macro and micro structures of hot formed parts. Using numerical simulation technology to reproduce the evolution process of microstructure can not only deepen the understanding of the mechanism of microstructure change and promote the development of existing theories, but also improve the microstructure of materials and optimize the preparation process of materials, so as to obtain the expected mechanical energy of materials.

Compared with the traditional process trial and error method, adopting simulation technology as a research and development means can shorten the development cycle, reduce production costs, and optimize the production process, so as to improve production efficiency and increase economic benefits. However, due to the high price and long production cycle of titanium plate, the research of its production process urgently needs simulation technology to open a shortcut for it, and overcome the problems such as narrow hot working temperature range, complex and diverse process structure performance relationships, etc. Because the numerical simulation technology enables the titanium plate hot working process to be truly reproduced on the computer, both enterprise producers and scientific researchers use this technology to study the relationship between ideal process parameters and corresponding structures and mechanical properties, so as to optimize the current production process and reduce the development cost of new products, new processes and new materials. Shao Hui [11] et al. studied the forging process of TC21 titanium plate with lamellar structure in two-phase zone α Facies evolution. The change law of temperature field and strain field in forging process was simulated and analyzed quantitatively by DEFORM software α The smaller the Feret Ratio, the more spheroidized the morphology. The results show that the strain field and temperature field affect the evolution of lamellar phase. Under the condition of lower strain, the temperature at the edge of the forging stock decreases rapidly, recrystallization is sufficient, and the temperature at the center of the forging stock is higher..

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