BLANK FOR DIFFUSION WELDING OF HETEROGENEOUS METALS Russian patent published in 2005 - IPC

FIELD: mechanical engineering; welding.

SUBSTANCE: proposed blank has heterogeneous metal parts, one placed onto the other. Alternating projections and cavities are made on contacting surfaces of parts. Parts are installed with angular displacement of tops of projections relative to each other, thus providing required presurface deformation owing to increased share of shaft of shift deformation of one of blank parts, for instance, that made of lower heat-resistant metal which provides sufficient mechanical activation of surface layers of metal at low clamping force.

EFFECT: reduced cubic strain of blank.

1 ex, 6 dwg