System and process for solid-state deposition and...

Details System and process for solid-state deposition and... System and process for solid-state deposition and...

2007-02-20

2007-02-20

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

C239S008000, C239S011000, C239S589000, C239S417500, C239S366000, C239S354000, C239S418000

Reexamination Certificate

active

10996157

ABSTRACT:
The invention relates to an apparatus and process for solid-state deposition and consolidation of powder particles entrained in a subsonic or sonic gas jet onto the surface of an object. Under high velocity impact and thermal plastic deformation, the powder particles adhesively bond to the substrate and cohesively bond together to form consolidated materials with metallurgical bonds. The powder particles and optionally the surface of the object are heated to a temperature that reduces yield strength and permits plastic deformation at low flow stress levels during high velocity impact, but which is not so high as to melt the powder particles.

REFERENCES:
patent: 5833891 (1998-11-01), Subramaniam et al.

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