中國(guó)有色金屬學(xué)報(bào)(英文版)
Transactions of Nonferrous Metals Society of China
| Vol. 20 Special 3 September 2010 |
flowing in thixoforging
（1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;
2. State Key Laboratory for Fabrication and Processing of Nonferrous Metals,
General Research Institute for Non-ferrous Metals, Beijing 100088, China）
Abstract:The semi-solid filling-plastic flowing integrated forging process of semi-solid 6061 Al alloy was simulated by commercial finite element software DEFORM-3D. Temperature, fluid and stress-strain fields were considered in numerical simulation. The simulation results show that the plastic deformation of billet of the ends is higher than that of billet in the straight cylinder. The value of plastic deformation varies with loading mode and plastic deformation fields at the stage of increasing pressure to constant value. When the thixoforging experiments were performed at 590 ℃, 15 mm/s of punch velocity and 46 MPa of pressure side urn, it gets the filling wholly and dense internal organization of semi-solid thixoforging parts is gotten. Finite element analysis results are compatible with experimental ones.
Key words: semi-solid thixoforging; filling-plastic flowing; plastic deformation; DEFORM-3D software
