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中文摘要：
在液体状态下面与反应性质影响表面质量和钛合金的宏观结构的参数和因素用一个冷坩锅试验性地被学习电磁的扔方法。在进程参数的变化在表面质量和演员组营舍的宏观结构上有大影响。有免费的快克和光滑的表面以及方向性的团结的主要结构的营舍在优化过程参数的选择以后被获得。象裂缝和无方向的结构的形态学那样的缺点的形成机制简短被解释。最后，与好外部质量和内部柱谷物扔营舍成功地被达到了，它接着为技术的进一步的开发给一个稳固的基础。
英文摘要：
The parameters and factors that influence the surface quality and macrostructure of titanium alloy with reactive properties under liquid state were studied experimentally using a cold crucible electromagnetic casting method. The variations in the process parameters have great impact on the surface quality and macrostructure of cast billets. Billets with crack free and smooth surfaces as well as directional solidified primary structures were obtained after the selection of optimized process parameters. The formation mechanisms of defects such as cracks and non-directional structural morphology were interpreted briefly. Finally, the casting of billets with good outer qualities and inner column grains has been attained successfully, which in turn gives a solid foundation for further development of the technology.
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Directional solidification technology based on electromagnetic cold crucible to prepare TiAl interme
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