A closely-complete peritectic transformation during directional solidification of a Ti-45Al-8.5Nb alloy |
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| Authors: | XF Ding JP Lin LQ Zhang YQ Su GJ Hao GL Chen |
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| Affiliation: | 1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | A closely-complete peritectic transformation (PT) was found during directional solidification (DS) of a Ti-45Al-8.5Nb alloy under a low temperature gradient. The closely-complete PT can align the peritectic α phase and control the lamellar orientation. The conditions to obtain a complete PT in primary β TiAl alloys were theoretically evaluated in the dendrite regime. |
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