Preparation of AlB12-Type Al-B Alloys

Qing Liang Wang; Xing Zhong Zhang; Hua Gui Huang; Li Shen; Jiu Zhou Zhao

doi:10.4028/www.scientific.net/MSF.898.872

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HomeMaterials Science ForumMaterials Science Forum Vol. 898Preparation of AlB12-Type Al-B Alloys

Preparation of AlB₁₂-Type Al-B Alloys

Abstract:

AlB₁₂-type Al-B alloys were prepared by high temperature treatment of AlB₂-type Al-B alloy melts with different distribution morphologies of borides. The results show that when using the “immersion” method, the produced AlB₂-type Al-B alloy melt (“alloy melt 1”) contain a small amount of AlB₁₂ phase and many boride agglomerations. The AlB₂-type Al-B alloy melt produced by using the “vortex” method (“alloy melt 2”) contains no AlB₁₂ phase and exhibits a well dispersion of AlB₂ particles. During the high temperature treatment, the AlB₂ particles in close contact with each other in the alloy melts are prone to coalescence, causing the formation of relative large AlB₁₂ particles. The high-speed stirring adopted during the high temperature treatment has an effect of prohibiting the coalescence of AlB₂ particles in boride agglomerations.

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Periodical:

Materials Science Forum (Volume 898)

Pages:

872-878

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.898.872

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Online since:

June 2017

Authors:

Qing Liang Wang*, Xing Zhong Zhang, Hua Gui Huang, Li Shen, Jiu Zhou Zhao

Keywords:

Al-B Alloy, AlB₁₂, High Temperature Treatment, Preparation, Stirring

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