Real time investigation of the grain refinement dynamics in zinc alloy by synchrotron microradiography

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	Real time investigation of the grain refinement dynamics in zinc alloy by synchrotron microradiography
	Chen, F; Mao, F; Xuan, ZJ; Yan, GY; Han, JY; Wang, TM; Cao, ZQ; Fu, YA; Xiao, TQ
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2015
卷号	630 页码:60—67
关键词	DIRECTIONAL SOLIDIFICATION AL-CU TIB2 PARTICLES ALUMINUM GROWTH COMPOSITE MICROSTRUCTURE FRAGMENTATION BEHAVIOR ZA27
英文摘要	The grain refining performance of titanium diboride particles in zinc alloy was investigated by adding in situ formed Al-TiB2 master alloy into ZA27 alloy. The results showed that TiB2 particles could significantly refine the structure of ZA27. After adding 1.1% TiB2, the average grain size decreased markedly from 205.4 mu m to 65.8 mu m. To characterize the mechanism by which TiB2 refines the grain size, synchrotron microradiography technique was used for the first time to investigate the effect of TiB2 on the grain nucleation and growth kinetics. Real-time observations revealed that TiB2 particles refine ZA27 by facilitating heterogeneous nucleation, enhancing dendrite fragmentation and constraining the dendrite growth. (C) 2015 Elsevier B.V. All rights reserved.
收录类别	SCI
语种	英语
公开日期	2015-12-24
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/24552]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Chen, F,Mao, F,Xuan, ZJ,et al. Real time investigation of the grain refinement dynamics in zinc alloy by synchrotron microradiography[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,630:60—67.
APA	Chen, F.,Mao, F.,Xuan, ZJ.,Yan, GY.,Han, JY.,...&Xiao, TQ.(2015).Real time investigation of the grain refinement dynamics in zinc alloy by synchrotron microradiography.JOURNAL OF ALLOYS AND COMPOUNDS,630,60—67.
MLA	Chen, F,et al."Real time investigation of the grain refinement dynamics in zinc alloy by synchrotron microradiography".JOURNAL OF ALLOYS AND COMPOUNDS 630(2015):60—67.