Transactions of Materials and Heat Treatment

Title：Precision forging process and design on mold deformation compensation for TC6 titanium alloy blade

Authors：

Unit：

KeyWords： TC6 titanium alloy precision forging process finite element analysis reverse compensation heat treatment

ClassificationCode：TG314

year,vol(issue):pagenumber：2021,46(6):48-53

Abstract：

To solve the deformation problem of precision forging blade for TC6 titanium alloy, the precision forging process, mold compensation and heat treatment process were optimized by finite-element analysis method combined with actual production. Then, based on the analysis of the high temperature compressive strain behavior for TC6 titanium alloy, the precise forging process parameters and the heat treatment process parameters were given. Furthermore, the influence laws of residual stress on the deformation of TC6 titanium alloy blade and the deformation laws of mold in the precision forging process were analyzed, and the deformation of final forging blade was reduced by the reverse compensation design of final forging mold and the improvement of heat treatment furnace. The results show that after the process is improved, the torsion values of different sections for the precision forging rotor blades of three and four stages of a certain engine are reduced by 53%-84% compared with those before the improvement, and the average annual waste loss is reduced by more than 50000 yuan. Thus, this process can be extended to other precision forging rotor blades production to obtain considerable economic benefits.

Funds：

陕西省科学研究项目计划（16JK1401）；西安航空职业技术学院科研计划项目（19XHZK-004）

王鹏（1984-），男，硕士，工程师 E-mail：435534560@qq.com

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