Transactions of Materials and Heat Treatment

Title：Simulation, test and microstructure research on active hydroforming for cam cover plate part

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ClassificationCode：TG146.22

year,vol(issue):pagenumber：2023,48(10):53-59

Abstract：

For the aircraft cam cover plate part, according to the geometric dimensions of part, a 3D model was established by using commercial software Catia, the simulation and test of the active hydroforming were conducted,and the microstructure and mechanical properties were studied by combining mesh splitting software and finite element software Dynaform. Then, based on the incremental finite element method and according to the deformation condition of non-die adhesion and springback, the deformation during the loading and unloading springback process in the active hydroforming was analyzed by process simulation. Furthermore, the active hydroforming die was designed, and the influence law of process parameters on the forming quality and springback of part was studied. Finally, under the optimal process parameters, the actual cam cover plate parts were prepared, and the hardness values, thickness values and microstructures of cam cover plate along the circumferential and normal directions were studied, and the relevant change rules were obtained, which lays a theoretical foundation for the design and optimization of the active hydroforming process.

Funds：

四川省科技计划项目（201906028--2018GZ0063/01）

李欣聪（1989-），男，工学学士，高级工程师 E-mail：fuxiu012@qq.com

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