Mechanical Property of (Al, Mg)B2 Phase Reinforced Al-Mg-B Alloys

Jae Ik Cho; Cheol Woo Kim

doi:10.4028/www.scientific.net/AMR.813.47

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 813Mechanical Property of (Al, Mg)B2 Phase Reinforced...

Mechanical Property of (Al, Mg)B₂ Phase Reinforced Al-Mg-B Alloys

Abstract:

The microstructure and mechanical behaviors of the Al-Mg-B ternary alloy have been investigated in order to fabricate a composite system composed of (Al,Mg)B₂ in a Al-Mg matrix. Several Al-Mg-B ternary alloy compositions were selected for identification of borides and matrix formation during solidification. The in-situ (Al,Mg)B₂ phase was developed in an eutectic matrix of Al₈Mg₅ and Al, and formed in the location of inter and intra the Al dendritic region, indicating that the formation of (Al,Mg)B₂ was developed at the initial solidification process. Dominating factors for controlling the (Al,Mg)B₂ phase and mechanical behaviors are discussed in terms of structural identifications.

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Periodical:

Advanced Materials Research (Volume 813)

Pages:

47-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.813.47

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Online since:

September 2013

Authors:

Jae Ik Cho, Cheol Woo Kim

Keywords:

Al-Mg-B Alloy, Boride, Mechanical Property, Nanoindentation

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