An Assistive Characterized Method for Growth Morphology and Orientation of Dendrites Based on 3D Reconstruction Technique
An Assistive Characterized Method for Growth Morphology and Orientation of Dendrites Based on 3D Reconstruction Technique
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基于3D重建技术的树突生长形态和取向的辅助表征方法
DOI：
10.1016/j.jsamd.2022.100516
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发表时间：
2022-11
期刊：
影响因子：
--
通讯作者：
Ka Gao
中科院分区：
文献类型：
--
作者：
Ka Gao
这项工作描述了一种基于连续切片技术的三维（3D）重建辅助工具，用于更好地表征非透明材料的微观结构和取向。采用辅助表征方法发现，定向凝固Al-40%Cu合金在二维组织中出现两个独立的初生Al 2Cu枝晶，而在三维组织中只有一个枝晶。而枝晶的出现是由于残余液相通过共晶反应转变为共晶组织，从而形成三维组织。因此，利用基于连续切片技术的三维重建技术，可以准确、全面地获取和显示材料的微观结构。同时，在定向凝固过程中，Al 2Cu相枝晶的[001]生长取向逐渐偏离热流方向，EBSD取向分析表明其偏离角约为11.42°。生长取向偏离样品水平方向约2.82°。有趣的是，与EBSD相比，上述类似的结果也可以简单地从三维重建辅助分析中获得并间接表征。以上结果表明，三维重建技术可以作为一种辅助手段，更容易、更直观地表征材料的微观结构和取向特征。
This work describes an aid to three-dimensional (3D) reconstruction based on serial section technology for better characterizing non-transparent material microstructure and orientation. We found that two separate primary Al2Cu phase dendrites of directionally solidified Al–40%Cu alloy appeared in the two-dimensional (2D) microstructure but were shown to be only one dendrite in the three-dimensional (3D) microstructure by using the assistive characterization method. While the reason that separate dendrites appeared was that the remaining liquid phase transformed into the eutectic structures through eutectic reaction, the 3D microstructure results. So the materials microstructure can be obtained and displayed accurately and comprehensively using a 3D reconstruction technique based on serial sections technology. Meanwhile, the [001] growth orientation of the Al2Cu phase dendrite gradually deviated from the heat flow direction during the directional solidification process, and its deviation angle was about 11.42° by EBSD (Electron Backscattered Diffraction) orientation analysis. And the growth orientation deviated from the horizontal direction of the sample by about 2.82°. Interestingly, compared with EBSD, the above similar results could also be simply obtained and indirectly characterized from the 3D reconstruction assistive analysis. Then the above results showed that 3D Reconstruction Technique could be used as an assistive method to easier and more directly represent the materials microstructure and orientation characterization.
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影响因子：
8.4
作者：
Kyungju Lee;Yan Chen;W. Dai;D. Naugle;Hong Liang
通讯作者：
Kyungju Lee;Yan Chen;W. Dai;D. Naugle;Hong Liang
影响因子：
2.8
作者：
D. Kammer;R. Mendoza;S. Barnett;P. Voorhees
通讯作者：
D. Kammer;R. Mendoza;S. Barnett;P. Voorhees
DOI：
10.1007/s11663-009-9291-6
发表时间：
2009-08
期刊：
Metallurgical and Materials Transactions B
影响因子：
--
作者：
H. Singh;A. Gokhale;Y. Mao;A. Tewari;A. Sachdev
通讯作者：
H. Singh;A. Gokhale;Y. Mao;A. Tewari;A. Sachdev
DOI：
10.4028/www.scientific.net/msf.925.427
发表时间：
2018-06
期刊：
Materials Science Forum
影响因子：
--
作者：
K. Salomonsson;A. Jarfors
通讯作者：
K. Salomonsson;A. Jarfors
影响因子：
4.7
作者：
Kral, MV;Mangan, MA;Rosenberg, RO
通讯作者：
Rosenberg, RO