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Effect of TiC particles on the liquid-liquid decomposition of Al-Pb alloys
Sun, Qian; Jiang, Hongxiang; Zhao, Jiuzhou; He, Jie; jzzhao@imr.ac.cn
2016
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume91Pages:361-367
AbstractThe microstructure formation during a liquid-liquid phase transformation of immiscible alloys remains an unsolved scientific problem. In this work, casting experiments were carried out to investigate the effect of TiC particles on the liquid-liquid phase transformation of Al-Pb alloys. SEM and EDS investigations reveal that TiC particles can be used as inoculants for the nucleation of the Pb-rich droplets during the liquid-liquid decomposition of Al-Pb alloys and promote the formation of Al-Pb alloy with a dispersed microstructure. A model was developed to describe the kinetic behavior of TiC particles and the precipitation of the Pb-rich droplets in the melt. The dissolution, coarsening and precipitation of TiC particles during the whole process from the very beginning of the addition of TiC into the melt till the liquid-liquid phase transformation of the Al-Pb alloy were calculated. It is demonstrated that if the number density of the TiC particles in the melt cooled to the binodal line temperature of Al-Pb alloys is high enough, the addition of TiC causes a refinement of the Pb-rich droplets/particles. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[sun, qian ; jiang, hongxiang ; zhao, jiuzhou ; he, jie] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordTic parTicles Inoculation Precipitation Nucleation Microstructure
Funding OrganizationNational Natural Science Foundation of China [51271185, 51471173, 51374194, 51501207]; China Manned Space Engineering [TGJZ800-2-RW024]
Indexed Bysci
Language英语
WOS IDWOS:000367235400042
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74774
Collection中国科学院金属研究所
Corresponding Authorjzzhao@imr.ac.cn
Recommended Citation
GB/T 7714
Sun, Qian,Jiang, Hongxiang,Zhao, Jiuzhou,et al. Effect of TiC particles on the liquid-liquid decomposition of Al-Pb alloys[J]. MATERIALS & DESIGN,2016,91:361-367.
APA Sun, Qian,Jiang, Hongxiang,Zhao, Jiuzhou,He, Jie,&jzzhao@imr.ac.cn.(2016).Effect of TiC particles on the liquid-liquid decomposition of Al-Pb alloys.MATERIALS & DESIGN,91,361-367.
MLA Sun, Qian,et al."Effect of TiC particles on the liquid-liquid decomposition of Al-Pb alloys".MATERIALS & DESIGN 91(2016):361-367.
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