Influence of Boron Addition on the Grain Refinement and Mechanical Properties of AZ91 Mg Alloy

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Title:	Influence of Boron Addition on the Grain Refinement and Mechanical Properties of AZ91 Mg Alloy
Authors:	Suresh, M Srinivasan, A Ravi, K R Pillai, U T S Pai, B C
Keywords:	AZ91 Mg alloy Heterogeneous nucleation Grain refinement Mechanical properties
Issue Date:	15-Nov-2009
Publisher:	Elsevier
Citation:	Materials Science and Engineering A, 525(1-2):207-210
Abstract:	This article reports the effect of boron addition on the grain refinement efficiency and mechanical properties of AZ91 magnesium alloy. The results show that the addition of boron in the form of Al–4B master alloy, significantly refines the grain size of AZ91 alloy. This refinement is due to the presence of AlB2 particles, which act as potential nucleants for Mg grains. Improved mechanical properties are obtained with the addition of boron due to the finer grains.
URI:	http://hdl.handle.net/123456789/2548
Appears in Collections:	2009

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