Methods for creating spatially controlled composite materials

Details Methods for creating spatially controlled composite materials Methods for creating spatially controlled composite materials

2007-10-10

2011-12-06

Parker, Frederick (Department: 1712)

Coating processes

Nonuniform coating

Deforming the base or coating or removing a portion of the...

C427S275000, C427S307000, C427S309000, C427S327000, C427S384000, C427S409000, C427S410000, C428S457000

Reexamination Certificate

active

08071171

ABSTRACT:
Methods and systems for controlling a three(3)-dimensional distribution of structural reinforcement elements in a polymer-matrix composite. One embodiment of the invention provides a method that includes adding and curing a shape memory polymer in a plurality of flexible preforms attached with each other after preforming each of the flexible preforms to form a spatially controlled preform and variable stiffness material composite laminate. Here, in this embodiment, at least one of the preforms includes a flexible support formed from a patterned supporting material on a first surface of a stiff-structural sheet and the stiff-structural sheet that has been patterned on the support.

REFERENCES:
patent: 7550189 (2009-06-01), McKnight et al.
Lake et al.,The Fundamentals of Designing Deployable Structures with Elastic Memory Composites, AIAA 2002-1454, Apr. 2002, 14 sheets.

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