COMPOSITE STRUCTURES HAVING INTEGRATED STIFFENERS WITH SMOOTH RUNOUTS AND METHOD OF MAKING THE SAME

COMPOSITE STRUCTURES HAVING INTEGRATED STIFFENERS WITH SMOOTH RUNOUTS AND METHOD OF MAKING THE SAME

A method of making a stiffened composite structure (30), comprising: fabricating a first fiber preform (65); placing the first fiber preform in a mold recess (58) having the geometry of the stiffener; placing a second fiber preform (67) over the mold recess covering the first preform; co-infusing th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LOCKETT PETER J, GLYNN ANDREW, POOK DAVID A
Format: Patent
Sprache:eng ; kor
Schlagworte:
AEROPLANES
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:A method of making a stiffened composite structure (30), comprising: fabricating a first fiber preform (65); placing the first fiber preform in a mold recess (58) having the geometry of the stiffener; placing a second fiber preform (67) over the mold recess covering the first preform; co-infusing the first and second fiber preforms with a polymer resin; and curing the resin-infused preforms.