Process development protocol and vacuum bag process for...

Details Process development protocol and vacuum bag process for... Process development protocol and vacuum bag process for...

2011-05-03

2011-05-03

Koch, III, George R (Department: 1745)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S094000, C156S098000, C264S036100, C264S036220

Reexamination Certificate

active

07935200

ABSTRACT:
A protocol for determining process parameters for debulking composite laminates is established using a standardized double vacuum debulk (DVD) process. This allows for the development of a rapid fabrication process for thick laminates of toughened carbon/epoxy composite materials. The protocol provides for obtaining cure and current consolidation information of a composite material system as a preliminary baseline. A test matrix is prepared for varying time/temp profiles to pursue better results or find process limits and the testing defined by the matrix is run with variations of time/temp DVD profiles to confirm data values. Results for the process variations in the test matrix are then assessed. An optimum consolidation is determined and process points are defined at which quality drops off. The protocol results are then applied to part preparation for the material tested.

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patent: 2008/0048369 (2008-02-01), Kulesha
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