Time resolved X-ray imaging of eutectic cellular patterns evolving during solidification of ternary Al-Cu-Ag alloys

被引：6

作者：

Zimmermann, Gerhard ^{[1
]}

Hecht, Ulrike ^{[1
]}

Mathes, Michael ^{[1
]}

Mathiesen, Ragnvald H. ^{[2
]}

机构：

[1] ACCESS eV, D-52072 Aachen, Germany

[2] Inst Fys, NTNU, Trondheim, Norway

来源：

INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2010年 / 101卷 / 12期

关键词：

Eutectic solidification; Synchrotron radiation; Aluminium alloys; Cellular growth; Fragmentation;

D O I：

10.3139/146.110435

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Synchrotron radiography has enabled time and space resolved investigation of directional solidification of ternary Al-Cu-Ag eutectic. Due to a high spatial resolution the lamellar spacing of the eutectic can be identified. The morphological instability of a planar eutectic solid-liquid interface towards eutectic cells observed in sheet-like samples is investigated for different solidification conditions. The results are summarized in a stability diagram and compared to findings in bulk samples and theoretical predictions based on the criterion of constitutional undercooling. During growth of eutectic cells an intriguing dual phase fragmentation in the intercolumnar/cellular regions with Al(2)Cu fragments settling and Al-rich fragments rising in the melt was observed, which may be unique for coupled growth of multicomponent eutectics.

引用

页码：1484 / 1488

页数：5

共 50 条

[1] Eutectic solidification of ternary Al-Cu-Ag alloys:: Coupled growth of α(Al) and Al2Cu in univariant reaction
Hecht, U
Witusiewicz, VT
Drevermann, A
Böttger, B
Rex, S
SOLIDIFICATION AND GRAVITY IV, 2006, 508 : 57 - 62
[2] Unconstrained solidification and characterisation of near-eutectic Al-Cu-Ag alloys
Katholieke Universiteit Leuven, Departement Metaalkunde en Toegepaste Materiaalkunde, Kasteelpark Arenberg 44, Heverlee
B-3001, Belgium
Z Metallkd, 2008, 11 (1222-1228):
[3] Unconstrained solidification and characterisation of near-eutectic Al-Cu-Ag alloys
Ebzeeva, S.
Nagels, E.
Froyen, L.
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH, 2008, 99 (11) : 1222 - 1228
[4] Effect of a high magnetic field on the growth of ternary Al-Cu-Ag alloys during directional solidification
Du, Dafan
Fautrelle, Yves
Ren, Zhongming
Moreau, Rene
Li, Xi
ACTA MATERIALIA, 2016, 121 : 240 - 256
[5] Effect of a transverse magnetic field on solidification structure in directionally solidified Al-Cu-Ag ternary alloys
Guan, Guang
Du, Dafan
Fautrelle, Yves
Moreau, Rene
Ren, Zhongming
Li, Xi
EPL, 2015, 111 (02)
[6] Unconstrained Growth along Ternary Eutectic Solidification Path in Al-Cu-Ag Alloy: Analysis of Microgravity Experiment
Ebzeeva, Svetlana
Froyen, Ludo
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 2007, 60 (2-3) : 207 - 212
[7] Unconstrained growth along a ternary eutectic solidification path in Al-Cu-Ag: Preparation of a MAXUS sounding rocket experiment
De Wilde, J
Nagels, E
Lemoisson, F
Froyen, L
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 413 : 514 - 520
[8] Time-resolved X-ray imaging of solidification cracking for Al-Cu alloy at the weld crater
Nagira, T.
Yamashita, D.
Kamai, M.
Liu, H.
Aoki, Y.
Fujii, H.
Uesugi, K.
Takeuchi, A.
MATERIALS CHARACTERIZATION, 2020, 167
[9] X-ray Imaging and Controlled Solidification of Al-Cu Alloys Toward Microstructures by Design
Clarke, Amy J.
Tourret, Damien
Imhoff, Seth D.
Gibbs, Paul J.
Fezzaa, Kamel
Cooley, Jason C.
Lee, Wah-Keat
Deriy, Alex
Patterson, Brian M.
Papin, Pallas A.
Clarke, Kester D.
Field, Robert D.
Smith, James L.
ADVANCED ENGINEERING MATERIALS, 2015, 17 (04) : 454 - 459
[10] X-ray imaging of Al-7 at.% Cu during melting and solidification
Clarke, A. J.
Imhoff, S. D.
Cooley, J. C.
Patterson, B. M.
Lee, W. -K.
Fezzaa, K.
Deriy, A.
Tucker, T. J.
Katz, M. R.
Gibbs, P. J.
Clarke, K. D.
Field, R. D.
Thoma, D. J.
Teter, D. F.
EMERGING MATERIALS RESEARCH, 2013, 2 (02) : 90 - 98

← 1 2 3 4 5 →