Microstructure evolution during a liquid-liquid decomposition under the common action of the nucleation, growth and Ostwald ripening of droplets

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	Microstructure evolution during a liquid-liquid decomposition under the common action of the nucleation, growth and Ostwald ripening of droplets
	J. Z. Zhao; H. L. Li; X. F. Zhang; J. He; L. Ratke
	2009
发表期刊	International Journal of Materials Research
ISSN	1862-5282
卷号	100 期号:1 页码:46-52
摘要	The kinetic details of the microstructure evolution during a liquid-liquid phase transformation under the common action of the nucleation, diffusional growth and Ostwald ripening of the minority phase droplets are investigated numerically. The results demonstrate that the cooling rate during the nucleation period of the minority phase droplets has an overwhelmingly strong effect on the microstructure formation compared with the cooling rate after the nucleation period. Generally, the effect of the Ostwald ripening of the minority phase droplets is weak in an alloy cooled continuously all through the miscibility gap and the average radius of the minority phase particles shows an inverse square root dependence on cooling rate. An obvious coarsening of the minority phase droplets occurs and the exponential varies towards -1/3 only when the cooling rate decreases by more than two orders of magnitude after the nucleation of the precipitated droplets.
部门归属	[zhao, j. z.; li, h. l.; zhang, x. f.; he, j.] chinese acad sci, inst met res, shenyang 110016, peoples r china. [ratke, l.] deutsch zentrum luft & raumfahrt dlr, inst mat phys weltraum, cologne, germany.;zhao, jz (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china;jzzhao@imr.ac.cn
关键词	Microstructure Evolution Liquid-liquid Decomposition Nucleation Growth Ostwald Ripening Co-cu Alloys Zn-pb Alloys Miscibility Gap Immiscible Alloys Solidification Al
URL	查看原文
WOS记录号	WOS:000263353500006
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32598
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. Z. Zhao,H. L. Li,X. F. Zhang,et al. Microstructure evolution during a liquid-liquid decomposition under the common action of the nucleation, growth and Ostwald ripening of droplets[J]. International Journal of Materials Research,2009,100(1):46-52.
APA	J. Z. Zhao,H. L. Li,X. F. Zhang,J. He,&L. Ratke.(2009).Microstructure evolution during a liquid-liquid decomposition under the common action of the nucleation, growth and Ostwald ripening of droplets.International Journal of Materials Research,100(1),46-52.
MLA	J. Z. Zhao,et al."Microstructure evolution during a liquid-liquid decomposition under the common action of the nucleation, growth and Ostwald ripening of droplets".International Journal of Materials Research 100.1(2009):46-52.