Abstract
In this paper, the Ti–Al–Sn–Zr–Mo–Si series high temperature titanium alloy is designed by using the electron concentration theory and the first principles calculation. The ingot of a novel high temperature alloy was prepared by induction skull melting (ISM) in a water cooler copper crucible, then three different kinds of forging technology (two steps of axial forging, two steps of lateral forging and two steps of multi-directional forging) are employed for the Sub β forging at 1050 °C and the near β forging at 980 °C. It shows a basket-weave microstructure after sub β forging at 1050 °C. While after the near β forging at 980 °C, the alloy shows a duplex microstructure with a little amount of primary α-phase and mechanical properties is better than the alloy forging at 1050 °C. The grains undergoing a two steps of multi-directional forging is finer and more uniform, and the properties is more excellent for the alloy.
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Feng, Z. et al. (2018). Forging Technology and Microstructure and Mechanical Properties of a Novel High Temperature Titanium Alloy Resistant to 650 °C. In: Han, Y. (eds) High Performance Structural Materials. CMC 2017. Springer, Singapore. https://doi.org/10.1007/978-981-13-0104-9_52
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DOI: https://doi.org/10.1007/978-981-13-0104-9_52
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