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Evaluation of Microstructure and Refining Effect of Al–TiB2 and Al–5Ti–1B Grain Refiners

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Physics and Engineering of Metallic Materials (CMC 2018)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 217))

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Abstract

High-concentration Al–Ti–B master alloy was prepared by melt self-propagating high-temperature synthesis, and then the extruder bar of intermediate alloy was also prepared. The grain refiner can be divided into two categories. One is TiB2 particles only, and the other is two particulate matter containing both TiB2 and TiAl3. The microstructures of the two-grain refiners were observed under scanning electron microscope (SEM) and compared with the commercial refiners. The fining effects of the two-grain refiners were analyzed. The refining mechanism of TiAl3 and TiB2 was discussed, and the optimum dosage and the refinement scheme of pure aluminum were optimized.

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Authors and Affiliations

  1. College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China

    Mengke He, Lihua Chai, Hongda Wang, Ziyong Chen & Yapeng Cui

Authors
  1. Mengke He
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  2. Lihua Chai
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  3. Hongda Wang
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  4. Ziyong Chen
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  5. Yapeng Cui
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Corresponding author

Correspondence to Ziyong Chen .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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He, M., Chai, L., Wang, H., Chen, Z., Cui, Y. (2019). Evaluation of Microstructure and Refining Effect of Al–TiB2 and Al–5Ti–1B Grain Refiners. In: Han, Y. (eds) Physics and Engineering of Metallic Materials. CMC 2018. Springer Proceedings in Physics, vol 217. Springer, Singapore. https://doi.org/10.1007/978-981-13-5944-6_29

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  • DOI: https://doi.org/10.1007/978-981-13-5944-6_29

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-5943-9

  • Online ISBN: 978-981-13-5944-6

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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