中国激光, 2018, 45 (7): 0702001, 网络出版: 2018-09-11
感应加热辅助变质剂硼细化激光熔覆沉积TC4晶粒的研究 下载: 917次
Induction Heating Assisted Modifier Boron Refining of TC4 Grains by Laser Cladding Deposition
图 & 表
图 2. 不同B含量下LCD-TC4的组织形貌。(a)放大200倍;(b)放大500倍
Fig. 2. Microstructures of LCD-TC4 under different B mass fractions. (a) Magnification of 200 times; (b) magnification of 500 times
图 3. B对钛合金晶粒的细化机制。(a) β相形核;(b) B富集在固液界面;(c)共晶反应;(d)沿晶界析出硼化物
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
图 4. 不同感应加热温度下LCD-TC4的组织形貌。(a)放大200倍;(b)放大500倍
Fig. 4. Microstructures of LCD-TC4 under different induction heating temperatures. (a) Magnification of 200 times; (b) magnification of 500 times
图 6. (a) TC4的CET仿真曲线[20];(b)柱状晶形成过程;(c)截断柱状晶的过程
Fig. 6. (a) CET simulation curves of TC4[20]; (b) formation process of columnar crystals; (c) truncation process of columnar crystal
表 1TC4粉末和基板的化学成份(质量分数,%)
Table1. Chemical compositions of TC4 powder and substrate (mass fraction, %)
|
梁朝阳, 张安峰, 李丽君, 王豫跃, 张金智, 王宏. 感应加热辅助变质剂硼细化激光熔覆沉积TC4晶粒的研究[J]. 中国激光, 2018, 45(7): 0702001. 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.