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Metal Filaments for High-Temperature Fabrics

Report Number: ASD TDR 62-964, p. 143-181
Author: Newton, E. H.
Author: Johnson, D. E.*
Author: Sienzcyk, J. L.
Corporate Author: Arthur D. Little, Inc.
Laboratory: Directorate of Materials & Processes
Date of Publication: 1963-01
Pages: 40
Project: 7320 - Fibrous Materials for Decelerators and Structures
AD Number: See AD0299030

Abstract:

Tensile, ductile, and creep properties of selected superalloy and refractory metal filaments were measured up to 2200°F. Filament diameters ranged from 0.5 to 5.0 mils, using such materials as Rene' 41, Inconel 702, molybdenum, and tungsten.

Many methods were investigated for applying and testing very thin (approx. 0.1 mil) coatings to protect refractory metal filaments from oxidation up to 2200°F. These methods included vapor deposition, electrodeposition, electroless plating, diffusion coating, and hot dipping, as well as combinations of these.

Development work was carried out on techniques for producing fine metal filaments without the use of a diamond die. The most promising of these involved electroforming of nickel on a continuous helical mandrel.



Provenance:
Lockheed Martin Missiles & Fire Control
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