CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
In situ study on columnar-equiaxed transition and anaxial columnar dendrite growth of Al-15%Cu alloy by synchrotron radiography
Li, FG; Dong, Q; Zhang, J; Dai, YB; Fu, YN; Xie, HL; Yin, FC; Sun, BD; zj119@sjtu.edu.cn
2014
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume24Issue:7Pages:2112—2116
AbstractDirectional solidification of Al-15% (mass fraction) Cu alloy was investigated by in situ and real time radiography which was performed by Shanghai synchrotron radiation facility (SSRF). The imaging results reveal that columnar to equiaxed transition (CET) is provoked by external thermal disturbance. The detaching and floating of fragments of dendrite arms are the prelude of the transition when the solute boundary layer in front of the solid-liquid interface is thin. And the dendrite triangular tip is the fracture sensitive zone. When the conditions are suitable, new dendrites can sprout and grow up. This kind of dendrite has no obvious stem and is named anaxial columnar dendrites.
KeywordAluminum-based Alloys Al-cu Alloys Directional Solidification X-ray Mechanical-properties Real-time Fragmentation Field
Indexed BySCI
Language英语
WOS IDWOS:000340841700016
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14188
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorzj119@sjtu.edu.cn
Recommended Citation
GB/T 7714
Li, FG,Dong, Q,Zhang, J,et al. In situ study on columnar-equiaxed transition and anaxial columnar dendrite growth of Al-15%Cu alloy by synchrotron radiography[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2014,24(7):2112—2116.
APA Li, FG.,Dong, Q.,Zhang, J.,Dai, YB.,Fu, YN.,...&zj119@sjtu.edu.cn.(2014).In situ study on columnar-equiaxed transition and anaxial columnar dendrite growth of Al-15%Cu alloy by synchrotron radiography.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,24(7),2112—2116.
MLA Li, FG,et al."In situ study on columnar-equiaxed transition and anaxial columnar dendrite growth of Al-15%Cu alloy by synchrotron radiography".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 24.7(2014):2112—2116.
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