METHOD OF MAKING LAMINAR COMPOSITE MATERIAL OF TITANIUM ALUMINIDE ALLOY Russian patent published in 2013 - IPC B23K20/22 B23K20/16 B23K20/14 

FIELD: process engineering.

SUBSTANCE: invention relates to production of laminar composite material in diffusion welding of metal sheets. Proposed material is used for producing aircraft and spacecraft components with high strength requirements. Proposed method comprises assembling initial blanks into stack. Aluminium foil in laid between blank surfaces to be welded together in assembly of said stack. Aluminium foil thickness may not exceed 0.3 mm. Then, said stack is heated to apply pressure thereto for diffusion welding of blanks. In welding, blank surfaces to be welded together are subjected to aluminium cementation prior to reaching physical contact between said surfaces.

EFFECT: higher strength and quality of joint.

2 cl, 4 tbl, 1 ex