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1

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Filament winding - Waking the sleeping giant (1985)

Stein, B. A. ; Freeman, W. T., Jr.

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Publikationsdatum: 2011-08-19

Beschreibung: The use of filament winding (FW) in the production of aerospace composite structures is examined. The FW process applies spools of fiber and prepreg tow or prepreg tape to a male mandrel; the process is more efficient and cost effective than metallic construction. The fibers used in FW and the curing process are explained. The reduced storage and fabrication costs that result from FW are discussed. The use of FW to produce a filament-wound case for a solid rocket motor and the substructure and skin of an aircraft fuselage are described. Areas which require further development in order to expand the use of FW are listed and discussed.

Schlagwort(e): MECHANICAL ENGINEERING

Materialart: Aerospace America (ISSN 0740-722X); 24; 44-46

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2

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Rapid adhesive bonding of thermoplastic composites and titanium with thermoplastic adhesives (1986)

Tyeryar, J. R. ; Stein, B. A. ; Hodges, W. T.

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Publikationsdatum: 2011-08-19

Schlagwort(e): MECHANICAL ENGINEERING

Materialart: Journal of Aircraft (ISSN 0021-8669); 23; 545

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3

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Rapid adhesive bonding of advanced composites and titanium (1985)

Tyeryart, J. R. ; Stein, B. A. ; Hodgest, W. T.

In: Other Sources

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Publikationsdatum: 2019-06-28

Beschreibung: Rapid adhesive bonding (RAB) concepts utilize a toroid induction technique to heat the adhesive bond line directly. This technique was used to bond titanium overlap shear specimens with 3 advanced thermoplastic adhesives and APC-2 (graphite/PEEK) composites with PEEK film. Bond strengths equivalent to standard heated-platen press bonds were produced with large reductions in process time. RAB produced very strong bonds in APC-2 adherend specimens; the APC-2 adherends were highly resistant to delamination. Thermal cycling did not significantly affect the shear strengths of RAB titanium bonds with polyimide adhesives. A simple ultrasonic non-destructive evaluation process was found promising for evaluating bond quality.

Schlagwort(e): MECHANICAL ENGINEERING

Materialart: AIAA PAPER 85-0750

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4

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Rapid adhesive bonding concepts for specimen and panel fabrication and field repair (1984)

Stein, B. A. ; Hodges, W. T.

In: Other Sources

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Publikationsdatum: 2019-07-13

Beschreibung: The NASA Langley Research Center has developed bonding concepts for aerospace composite materials which employ induction heating to directly apply heat to the bond line and/or adherends without simultaneously heating the entire structure, supports, and fixtures of a bonding assembly. These methods have demonstrated bonding process time reductions of two to three orders of magnitude, by comparison with conventional press molding. Attention is presently given to rapid adhesive bonding for lap shear specimens for aerospace panel bonding or field repair, as well as for the field repair requirements of metallic and advanced polymeric matrix composite structures.

Schlagwort(e): MECHANICAL ENGINEERING

Materialart: National Technical Conference; Oct 09, 1984 - Oct 11, 1984; Albuquerque, NM

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