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Technical Paper

“Rigidization-on-Command”™ (ROC) Resin Development for Lightweight Isogrid Booms with MLI

2003-07-07
2003-01-2342
The “Rigidization-on-Command”™ (ROC™) resin development has focused on the development of resin systems that use UV light cure for rigidization. Polymeric sensitizers have been incorporated into the resin formulations to promote cure using Pen-Ray lamps and UV light-emitting diodes (LED's). Formulations containing the polymeric sensitizers were examined by FTIR and DSC. Complete cure was observed after 15 min. exposure with the Pen-Ray lamps. Performance of the Pen-Ray lamps and UV LEDs was thoroughly characterized. Thermal models were developed to optimize the performance of the of the MLI insulation thermal oven used for orbital cure of the boom. Results show that -12°C is the lowest temperature required for cure of the ROC™ resin systems.
Standard

Wiring, Positioning, and Support Accessories

2018-03-23
WIP
AS23190D

AS23190 is a procurement specification that covers a series of plastic and metal components and devices used for the tying, positioning, and supporting cable, cable assemblies, wire, and wire bundles in electrical, electronic and communication equipment, and in interconnection systems.

Standard

Wire, Electrical, Crosslinked Polyalkene, Crosslinked Alkane-Imide Polymer, Or Polyarlyene Insulated, Copper Or Copper Alloy

1998-07-01
HISTORICAL
AS81044
This specification covers single conductor electric wires made as specified in the applicable specification sheet with tin-coated, silver-coated, or nickel-coated cooper or copper alloy conductors insulated with crosslinked polyalkene, crosslinked alkane-imide polymer, or polyarylene. The crosslinked polyalkene, cross-linked alkane-imide polymer, or polyarylene may be used alone or in combination with other insulation materials as specified in the specification sheet.
Standard

Wheel Chocks

1996-07-01
HISTORICAL
AIR4905
The purpose of this document is to present general considerations for the design and use of aircraft wheel chocks. The design and use of aircraft wheel chocks is a good deal more complicated than it may appear at first glance.
Technical Paper

Weld Stress Evaluation — Electronic Modules

1965-02-01
650856
Welded joints of electronic modules are adversely stressed by some encapsulants, especially when subjected to temperature cycling. Weld joints of specific tensile strengths were developed, encapsulated with various resins, and temperature-cycled to determine failure caused by internal stress. Resins with high coefficients of thermal expansion and high shrinkage values caused weld failures after cure. Furthermore, stress reduction can be accomplished by proper spacing of weld interconnects.
Standard

Webbing, Tubular, Low Modulus Aramid 3/4 (19) Wide, 2300 (10,231 N) Breaking Strength

1983-10-01
HISTORICAL
AMS3799/2
This specification covers one width and one strength of low modulus aramid tubular webbing. This product has been used typically in construction of parachutes, but usage is not limited to such applications. 3/4 inch (19 mm) wide low modulus aramid tubular webbing having 2,300 pounds force (10,231 N) breaking strength.
Standard

Webbing, Tubular, Low Modulus Aramid 3-3/16 (81) Wide, 2250 (10,008 N) Breaking Strength

1983-10-01
HISTORICAL
AMS3799/4
This specification covers one width and one strength of low modulus aramid tubular webbing. This product has been used typically in construction of parachutes, but usage is not limited to such applications. 3-3/16 inches (81 mm) wide low modulus aramid tubular webbing having 2250 pounds force (10,008 N) breaking strength.
Standard

Webbing, Tubular, Low Modulus Aramid 1 (25) Wide, 4000 (17,793 N) Breaking Strength

1983-10-01
HISTORICAL
AMS3799/3
This specification covers one width and one strength of low modulus aramid tubular webbing. This product has been used typically in construction of parachutes, but usage is not limited to such applications. 1 inch (25.4 mm) wide low modulus aramid tubular webbing having 4000 pounds force (17,793 N) breaking strength.
Standard

Webbing, Nylon, Integral Locking Slots, 1-1/8 (28) Wide, 10,000 (44,482) Breaking Strength

1983-10-01
HISTORICAL
AMS3797/10
This specification covers one width and one strength of integral locking slot nylon webbing. This webbing has been used typically in construction of parachutes, but usage is not limited to such applications. 1-1/8 inches (28 mm) wide integral locking slot nylon webbing having 10,000 pounds force (44,482 N) breaking strength.
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