Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy
The effect of ultrasonic treatment on the solidification structure of Fe-36Ni invar alloy was investigated. The experiment results showed that the ultrasonic treatment before its solidification had no significant effect on the solidification structure. However, when ultrasonic was inputted into the...
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Format: | Article |
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De Gruyter
2013-10-01
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Series: | High Temperature Materials and Processes |
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Online Access: | https://doi.org/10.1515/htmp-2012-0159 |
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author | Peng Hong-bing Chen Wei-qing Yu Yan-chong Zheng Hong-guang |
author_facet | Peng Hong-bing Chen Wei-qing Yu Yan-chong Zheng Hong-guang |
author_sort | Peng Hong-bing |
collection | DOAJ |
description | The effect of ultrasonic treatment on the solidification structure of Fe-36Ni invar alloy was investigated. The experiment results showed that the ultrasonic treatment before its solidification had no significant effect on the solidification structure. However, when ultrasonic was inputted into the molten alloy during its solidification process, the primary dendrites were broken up into lots of fragments and solidification structure was refined significantly. When ultrasonic treatment was applied in the melt doped with yttrium before its solidification, ultrasonic cavitation could break up precipitates into many small ones, which could refine its solidification structure as nucleation cores. In samples containing yttrium treated by ultrasonic at 1753 K, the number of the precipitates was 623/mm2 and its average size was 2.18 µm; while at 1803 K, they were 604/mm2 and 2.34 µm respectively. The ultrasonic cavitation had a similar effect at two different temperatures. The solidification structure refined greatly at 1753 K was due to its low pouring temperature. |
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spelling | doaj.art-e11a669c4de643868cb8118a1b1ccfeb2022-12-21T21:28:11ZengDe GruyterHigh Temperature Materials and Processes0334-64552191-03242013-10-0132545946510.1515/htmp-2012-0159Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar AlloyPeng Hong-bing0Chen Wei-qing1Yu Yan-chong2Zheng Hong-guang3State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, ChinaState Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, ChinaState Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, ChinaTechnology Institute of Metallurgical, Baosteel Institute, Shanghai 201900, ChinaThe effect of ultrasonic treatment on the solidification structure of Fe-36Ni invar alloy was investigated. The experiment results showed that the ultrasonic treatment before its solidification had no significant effect on the solidification structure. However, when ultrasonic was inputted into the molten alloy during its solidification process, the primary dendrites were broken up into lots of fragments and solidification structure was refined significantly. When ultrasonic treatment was applied in the melt doped with yttrium before its solidification, ultrasonic cavitation could break up precipitates into many small ones, which could refine its solidification structure as nucleation cores. In samples containing yttrium treated by ultrasonic at 1753 K, the number of the precipitates was 623/mm2 and its average size was 2.18 µm; while at 1803 K, they were 604/mm2 and 2.34 µm respectively. The ultrasonic cavitation had a similar effect at two different temperatures. The solidification structure refined greatly at 1753 K was due to its low pouring temperature.https://doi.org/10.1515/htmp-2012-0159ultrasonicfe-36nisolidification structureyttrium |
spellingShingle | Peng Hong-bing Chen Wei-qing Yu Yan-chong Zheng Hong-guang Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy High Temperature Materials and Processes ultrasonic fe-36ni solidification structure yttrium |
title | Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy |
title_full | Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy |
title_fullStr | Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy |
title_full_unstemmed | Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy |
title_short | Effect of Ultrasonic Melt Treatment on Solidification Structure of Fe-36Ni Invar Alloy |
title_sort | effect of ultrasonic melt treatment on solidification structure of fe 36ni invar alloy |
topic | ultrasonic fe-36ni solidification structure yttrium |
url | https://doi.org/10.1515/htmp-2012-0159 |
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