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Phase field modeling of solidification microstructure evolution during welding
DOI:10.1016/j.jmatprotec.2017.12.007.png)
摘要
En 中文
The misorientation angle between the preferred crystalline orientation and the temperature gradient influences both the incubation time and the average wavelength of any initial instability during the planar growth stage, as well as the dendrite growth direction and the primary dendrite arm spacing during the subsequent epitaxial growth stage. The solidification microstructure gradually changes from normal or tilted dendrites to a seaweed-like structure as the misorientation angle increases. The simulation of the initial wavelength, primary dendrite arm spacing and interface morphology are in general agreement with the experimental observations.
Keyword:
Preferred crystalline orientation
Morphology evolution
Solidification microstructure
Al-Cu Alloy
Phase field method
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期刊
J
IF:
7.5
论文数:
1.6W
被引数:
4.5W
机构
引用论文
Microstructure selection in thin-sample directional solidification of an Al-Cu alloy: In situ X-ray imaging and phase-field simulationsAl-cu合金薄样品定向凝固中的微观结构选择: 原位x射线成像和相场模拟
ACTA MATERIALIA
IF9.3

