枝晶间距是指相邻同次枝晶间的垂直距离，它是树枝晶组织细化程度的表征。枝晶间距越小，组织就越细密，分布于其间的元素偏析范围也就越小，故越容易通过热处理而均匀化。通常采用的有一次枝晶（柱状晶主干）间距d1，和二次分枝间距d2两种。
袁宏 关键词：Al-Cu 合金；定向凝固；枝晶间距；尖端开裂 [gap=1300]Key words: Al-Cu alloy; directional solidification; dendrite spacing; tip splitting
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... No Space Distance 没有空间距离 Dendrites Space Distance 枝晶间距 suitable space distance between 最大桩间距 ...
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7A55合金均匀化处理 - TNMSC 关键字: 7A55合金; 均匀化动力学; 枝晶间距[gap=1024]Key words: 7A55 alloy; homogenizing dynamics; dendrite arm space
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Coarsening mainly happened in early solidification stage realized by the competitions, and therefore, secondary dendrite arm spacing (DAS) is mainly determined in this stage. Coalescence was the dominant coarsening mechanism in late solidification stage.
粗化主要发生在凝固的开始阶段,因此二次枝晶间距也决定于这个阶段。
参考来源 - 金属合金凝固枝晶生长同步辐射实时成像研究·2,447,543篇论文数据，部分数据来源于NoteExpress
枝晶间距是重要的铸态组织参数。
Dendrite arm spacings is one of the important as-cast structural parameters.
研究了差压铸造不同工艺参数对A357合金二次枝晶间距的影响。
The effect of counter-pressure casting parameters on secondary dendrite arm spacing (SDAS)of A357 alloy was studied.
并且随着对流强度的加大，一次枝晶间距降低，二次枝晶的生长被抑制。
Meanwhile, the primary dendrite spacing is decreased and the secondary dendrite branches are restrained.
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