Continuous morphological transition and its mechanism of Al3Ni Phase at the liquid–solid interface during solidification

Zongye Ding, Qiaodan Hu, Wenquan Lu, Naifang Zhang, Xuan Ge, Sheng Cao, Tianxing Yang, Mingxu Xia, Jianguo Li

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The morphological transition and growth mechanism of Al3Ni phase during solidification at the liquid Al/solid Ni interface was investigated through synchrotron radiography. The remelted peritectic Al3Ni is dominated by coalescence of adjacent grains and precipitation with the morphology changing from columnar, irregular, scallop type to faceted shape. The hollow proeutectic Al3Ni is formed on a solid base. The increased r/R ratio and steep variation lead to the change from regular to irregular hollowness with asymmetrical shape.

Original languageEnglish
Pages (from-to)556-561
Number of pages6
JournalMetallurgical and Materials Transactions A - Physical Metallurgy and Materials Science
Volume50A
Issue number2
DOIs
Publication statusPublished - 1 Feb 2019

Cite this

Ding, Zongye ; Hu, Qiaodan ; Lu, Wenquan ; Zhang, Naifang ; Ge, Xuan ; Cao, Sheng ; Yang, Tianxing ; Xia, Mingxu ; Li, Jianguo. / Continuous morphological transition and its mechanism of Al3Ni Phase at the liquid–solid interface during solidification. In: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science. 2019 ; Vol. 50A, No. 2. pp. 556-561.
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Continuous morphological transition and its mechanism of Al3Ni Phase at the liquid–solid interface during solidification. / Ding, Zongye; Hu, Qiaodan; Lu, Wenquan; Zhang, Naifang; Ge, Xuan; Cao, Sheng; Yang, Tianxing; Xia, Mingxu; Li, Jianguo.

In: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, Vol. 50A, No. 2, 01.02.2019, p. 556-561.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Ding, Zongye

AU - Hu, Qiaodan

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AU - Ge, Xuan

AU - Cao, Sheng

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AU - Li, Jianguo

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AB - The morphological transition and growth mechanism of Al3Ni phase during solidification at the liquid Al/solid Ni interface was investigated through synchrotron radiography. The remelted peritectic Al3Ni is dominated by coalescence of adjacent grains and precipitation with the morphology changing from columnar, irregular, scallop type to faceted shape. The hollow proeutectic Al3Ni is formed on a solid base. The increased r/R ratio and steep variation lead to the change from regular to irregular hollowness with asymmetrical shape.

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