Solid state diffusion bonding of Al2024 sheets


Joining of similar metal sheets of Al-2024 with and without hematite ore particulates in between the sheets was performed through the solid-state diffusion bonding process by means of compression testing machine. During joining process, heat was applied to the specimen through the customized die in which electric heating elements were inserted. The specimens were subjected to continuous compressive plastic deformation by using compression testing machine for different holding times. Microstructural analysis confirms that solid-state bonding depends on the process parameters used. Tensile testing result shows that, strength of the joint increases with increase in holding pressure and time.


Diffusion bonding, interlayers, tensile strength

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