Chinese Journal of Lasers, Volume. 45, Issue 7, 0702001(2018)
Induction Heating Assisted Modifier Boron Refining of TC4 Grains by Laser Cladding Deposition
Figures & Tables(8)
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. 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
Table 1. Chemical compositions of TC4 powder and substrate (mass fraction, %)
View tableTable 1. Chemical compositions of TC4 powder and substrate (mass fraction, %)
Material Al V Fe C O N H Ti TC4 powder 6.1 4.1 0.12 0.01 0.13 <0.01 0.001 Bal. TC4 substrate 6.2 4.3 0.13 0.02 0.12 0.01 0.002 Bal.
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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
Paper Information
Category: laser manufacturing
Received: Oct. 31, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Zhang Anfeng (zhangaf@mail.xjt)
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