3D Synchrotron Imaging of a Directionally Solidified Ternary Eutectic

被引：10

作者：

Dennstedt, Anne ^{[1
]}

Helfen, Lukas ^{[2
,3
]}

Steinmetz, Philipp ^{[4
]}

Nestler, Britta ^{[4
]}

Ratke, Lorenz ^{[1
]}

机构：

[1] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Mat Phys Weltraum, D-51170 Cologne, Germany

[2] Karlsruhe Inst Technol, Lab Applicat Synchrotron Radiat, Inst Photon Sci & Synchrotron Radiat, ANKA, POB 3640, D-76021 Karlsruhe, Germany

[3] ESRF European Synchrotron, 71 Ave Martyrs, F-38000 Grenoble, France

[4] Karlsruhe Inst Technol, Inst Appl Mat Computat Mat Sci, D-76131 Karlsruhe, Germany

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2016年 / 47A卷 / 03期

关键词：

CU; SYSTEM;

D O I：

10.1007/s11661-015-3294-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For the first time, the microstructure of directionally solidified ternary eutectics is visualized in three dimensions, using a high-resolution technique of X-ray tomography at the ESRF. The microstructure characterization is conducted with a photon energy, allowing to clearly discriminate the three phases Ag2Al, Al2Cu, and alpha-Aluminum solid solution. The reconstructed images illustrate the three-dimensional arrangement of the phases. The Ag2Al lamellae perform splitting and merging as well as nucleation and disappearing events during directional solidification. (C) The Minerals, Metals & Materials Society and ASM International 2015

引用

页码：981 / 984

页数：4

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