Methods of making preforms for composite material manufacture

Details Methods of making preforms for composite material manufacture Methods of making preforms for composite material manufacture

1994-12-20

1997-04-29

Maki, Steven D.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156178, 156179, 156249, 156276, 156280, 228190, B29C 6548, B32B 3112, B65H 8100

Patent

active

056245165

ABSTRACT:
The present invention relates to a manufacturing method of applying dry powder in a controlled manner to a variety of surfaces to form shapes, coatings, or composite materials. This is achieved by coating the surface with a tacky substance, applying the powder, and then coating the powder with a barrier coating that is insoluble in the solvent used in the tacky layer. The process is repeated to add the desired amount of powder. By the selection of powder size, size distribution, shape, and number of layers, precise control of mass loading can be achieved. The method can be used with titanium powder to form powder-coated fiber, non-woven mat, and tape cast performs which can be processed into fiber reinforced composite materials.

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