Zhaoyang Liang, Anfeng Zhang, Lijun Li, Yuyue Wang, Jinzhi Zhang, Hong Wang. Induction Heating Assisted Modifier Boron Refining of TC4 Grains by Laser Cladding Deposition[J]. Chinese Journal of Lasers, 2018, 45(7): 0702001
- Chinese Journal of Lasers
- Vol. 45, Issue 7, 0702001 (2018)
Fig. 1. Working principle of LCD technology
Fig. 2. Microstructures of LCD-TC4 under different B mass fractions. (a) Magnification of 200 times; (b) magnification of 500 times
Fig. 3. Mechanism of B refining of titanium alloy grains. (a) β phase nuclei; (b) B accumulated at solid-liquid interface; (c) eutectoid reaction; (d) boron precipitated along grain boundary
Fig. 4. Microstructures of LCD-TC4 under different induction heating temperatures. (a) Magnification of 200 times; (b) magnification of 500 times
Fig. 5. Lamellar α phase size versus temperature
Fig. 6. (a) CET simulation curves of TC4[20]; (b) formation process of columnar crystals; (c) truncation process of columnar crystal
Fig. 7. Effect of induction heating assisted B on microstructures of LCD-TC4. (a) Magnification of 200 times;(b) magnification of 500 times
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Table 1. Chemical compositions of TC4 powder and substrate (mass fraction, %)
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