Transactions of Materials and Heat Treatment

Title：Finite element simulation and deformation analysis of superplastic forming of a Ti6Al4V blade

Authors： CHENG Jian-xia1 ZhANG Li-bin2 CAI Wei3 (1.Editorial Department of Journal of Harbin Institute of Technology Harbin Heilongjiang 150001 China 2.China Academy of Machinery Science and Technology Beijing 100044 China 3.School of Material of science a

Unit：

KeyWords： blade finite element simulation superplastic forming

ClassificationCode：TG306

year,vol(issue):pagenumber：2005,30(2):56-59

Abstract：

Deformation process of typical sections on a Ti-alloy blade is simulated with 2-D rigid-viscoplastic finite element model. Deformation pattern of the sections is disclosed by flownet analysis. Deforming non-uniformity is presented by strain and strain rate analysis. Through comparison, the relative difference in effective strain among different positions on the blade is higher than 50% and the strain rate ranges from 10 -3s -1 to 10 -2s -1. It is concluded that the strain and strain rate difference has a certain effect on the microstructure and mechanical properties of the blade, which is verified by experiment.

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Reference：

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