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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 682Structure and Properties of Al–Ti Multilayered...

Structure and Properties of Al–Ti Multilayered Composites with Intermetallic Layers

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Abstract:

In this paper growingtheintermetalliclayers at the interfaces of explosively welded titanium and aluminum plates have been investigated. It was shown that explosion welding was the efficient technology for forming multilayered stacks consisted of dissimilar materials. This method provided the firm joint formation between metallic plates. Heat treatment of explosively welded workpieces allowed obtaining the Al₃Ti intermetallic phase at titanium-aluminum interfaces. Formation of intermetallic layer proceeded inhomogeneously in cross-section of the composite due to the structural particularities of interfaces and adjacent arias formed during the explosion welding process. The titanium aluminide growth ratedecreased corresponding to increaseof the intermetallic layer thickness. Intermetallic phase is notable for its high hardness and elasticity. Microhardness and Young’s module in the composite explosively welded and annealed at 640 ^оС reached 7.5 GPaand 280GPa respectively.

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Periodical:

Applied Mechanics and Materials (Volume 682)

Pages:

132-137

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.682.132

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Online since:

October 2014

Authors:

Daria B. Lazurenko*, Vjacheslav I. Mali, K.E. Shevtsova

Keywords:

Diffusion, Explosion Welding, Multilayered Composites, Titanium Aluminides

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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