4.6 Article

The microstructure and formation mechanism of core-shell-like TiAl3/Ti2Al20Ce in melt-spun Al-Ti-B-Re grain refiner

Journal

MATERIALS LETTERS
Volume 85, Issue -, Pages 153-156

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.06.072

Keywords

Grain refiner melt-spinning; Core-shell structure

Funding

  1. National Science and Technology Program-International Collaborative Research Project [2010DFA51920]

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The novel Al-Ti-B-Re nanorefiners have been prepared by melt-spinning. The microstructure observation of the melt-spun Al-Ti-B-Re grain refiner shows that it consists of granular-like TiB2 and core-shell-like TiAl3/Ti2Al20Ce. The formation mechanism and microstructure of core-shell-like TiA(13)/Ti2Al20Ce in melt-spun Al-Ti-B-Re grain refiner were investigated systematically in this paper. (C) 2012 Elsevier B.V. All rights reserved.

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