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Based on the software Deform-3D, 3D finite element heating model of Ti6Al4V ELI Ti alloy was founded. The heating processes of Ti6Al4V ELI Ti alloy under different temperature curves were detailed simulated, and the simulated accuracy of heating time was verified by heat treatment experiments. The results show that the holding time of billet in the β-phase can significantly be shorten by segmented heating approach, and the greater the blank size is, the more obvious the advantages are. By experimental verification, the core microstructure of billet is done metallographic observation after heat treatment, it is found that all primary α-phase are all disappeared, and β-phase occurs by transforming. There are obvious boundary and two phase microstructure becomes widmanstatten one, which shows that the core microstructure of billet is heated thoroughly and proves that the established model is reliable.
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