Method of bonding dissimilar materials

Details Method of bonding dissimilar materials Method of bonding dissimilar materials

B - Operations, Transporting

23

K

26/110

B23K 20/24 (2006.01) B23K 20/02 (2006.01)

Patent

CA 1259474

ABSTRACT OF THE DISCLOSURE A pair of soft-metal blocks are placed side by side constrainingly on a stationary platen with a space therebetween such that the opposing flank surfaces of the blocks confront each other. Into the space is pressed downward by a movable platen a hard-metal block which has opposing flank surfaces having sharp edges at the lower ends thereof, respectively, the opposing flank surfaces also tapering correspondingly. As the hard-metal block is moved forcibly into the space, the edges operate to pare or peel respective surface layers of the opposing flank surfaces of the soft-material blocks thereby to create respective fresh surfaces of the soft-material blocks. The opposing flank surfaces of the hard-metal block are therefore pressed strongly to the fresh surfaces, respectively, as the hard-metal block advances, and strong diffusion welded joints are produced. The method is carried out at elevated temperature.

510319

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