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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 640оС reached 7.5 GPaand 280GPa respectively.
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