Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating
Patent
1979-07-26
1982-08-10
Morgenstern, Norman
Coating processes
Coating by vapor, gas, or smoke
Carbon or carbide coating
264 292, 264 296, 427251, 427255, 427294, 427295, 427299, 427319, 427377, 4273833, 4273835, 4273837, 4273839, 427370, C23C 1108
Patent
active
043438369
ABSTRACT:
A problem addressed by this invention was how to obtain very long lengths of refractory metal-coated multifilamentary yarns having a uniform coating on the filaments which make up each yarn, the coating being uniform throughout the length of the yarn such that the coated yarns are suitable for being woven and are suitable for a variety of other uses. The solution is a continuous process which employs a chemical vapor deposition reaction at relatively low temperature and pressure and a separation of the gaseous reaction products from the coated yarn prior to allowing the coated yarn to cool.
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Aggour et al., "Chemical Vapor Deposition of Pyrocarbon, SiC, TiC, TiN, Si and Ta on Different Types of Carbon", Carbon, 1974, vol. 12, pp. 358-362.
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Fitzer et al., "Gasphasenabscheidung von Siliziumkarbid, Pyrokohlenstoff und Tantal auf Kohlenstoffasern", Vortrag auf der Interationalen Kohlenstofftagung Carbon '72, Baden-Baden, 1972, 174-175.
Powell et al., The Formation of Metallic Coatings by Vapor-Phase Techniques, Metal Finishing, vol. 50, No. 4, Apr. 1952.
Newkirk Lawrence R.
Riley Robert E.
Valencia Flavio
Wallace Sr. Terry C.
Bell Janyce A.
Denny James E.
Gaetjens Paul D.
Morgenstern Norman
Slade Elizabeth O.
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