Limit of steady-state lamellar eutectic growth

N. Wang; R. Trivedi

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Limit of steady-state lamellar eutectic growth

机译：稳态层状共晶生长的极限

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Under rapid solidification conditions, a eutectic microstructure becomes unstable beyond a certain velocity that places a limit on the finest spacing and the largest interface undercooling that can be achieved for such a microstructure. Expressions are developed to characterize the physics that lead to the limit of eutectic growth. Activation energy for diffusion and eutectic temperature are shown to play key roles at the limit of eutectic growth, and this limit modifies the high-velocity branch of the coupled growth regime.

机译：在快速凝固条件下，共晶微结构在超过一定速度时变得不稳定，这限制了这种微结构可以实现的最细间距和最大界面过冷。发展了表达以表征导致共晶生长极限的物理特性。扩散和共晶温度的活化能显示出在共晶生长极限中起关键作用，并且该极限改变了耦合生长机制的高速分支。

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《Scripta materialia》 |2011年第9期|共4页
作者
N. Wang; R. Trivedi;
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正文语种 eng
中图分类冶金工业;
关键词
Rapid solidification; Eutectic phase transformation; Undercooling; Metallic glasses; Pattern formation;

机译：快速凝固;共晶相变;过冷;金属玻璃;成膜;

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2. Ni-25Al合金中稳态至亚稳态共晶生长的结构转变(英文) [J] . Zhong-ping, QUE, Ji-Ho, 中国有色金属学报：英文版 . 2014,第0S1期
3. Limit of steady-state lamellar eutectic growth [J] . N. Wang, R. Trivedi Scripta materialia . 2011,第9期

机译：稳态层状共晶生长的极限
4. Globular to lamellar transition during anomalous eutectic growth [J] . Wei Lei, Cao Yongqing, Lin Xin, Modelling and simulation in materials science and engineering . 2020,第6期

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6. Lamellar eutectic growth with anisotropic interphase boundaries [C] . S Akamatsu, S Bottin-Rousseau, G Faivre International Conference on Modelling of Casting, Welding and Advanced Solidification Processes . 2015

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7. Effects of micro- and nano-structure on the deformation response of a Ag60Cu40 lamellar and rod-in-matrix eutectic alloy. [D] . Kingstedt, Owen Thomas. 2014

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8. A model for free growth of a lamellar eutectic dendrite with an incident flow [O] . Jianrong Gao -1

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9. Phase-field-lattice Boltzmann study for lamellar eutectic growth in a natural convection melt [O] . Ang Zhang, Zhi-peng Guo, Shou-mei Xiong 2017

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10. A Self-Consistent Theory of Steady-State Lamellar Solidification in Binary Eutectic Systems. [R] . nash, g. e. 1976

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Limit of steady-state lamellar eutectic growth

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