Coated and whiskered fibers for use in composite materials

Details Coated and whiskered fibers for use in composite materials Coated and whiskered fibers for use in composite materials

1989-02-08

1993-02-16

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

428614, 428378, 428380, 428397, 428400, C22C 109, B32B 500

Patent

active

051870215

ABSTRACT:
Diamond and ceramic whiskers 712 are grown on diamond, ceramic, or metal coated 714 fibers 710 (e.g. carbon, glass, ceramic or metal fibers) and used in composites 700. The whiskers 712 1) increase fiber-matrix bonding, 2) maintain fiber separation and 3) provide uniform fiber distribution. The coating 714 1) improves the mechanical properties of the fiber and 2) protects the fiber 710 from corrosive attack by the matrix material 720. A catalytic process for growing whiskers 712 allows fiber strength to be maintained during the whisker growth process. Composite materials made with whiskered or coated and whiskered fibers are useful whenever light-weight and high strength materials are required.

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Dergunova et al., "Composites Based on Whiskered Fibers" in Fiber-like Crystals and Thin Films, Proceedings of the IInd All Union Scientific Conference, Voronezh 1975 p. 373.
Gunyayev et al., "Effect of Whiskerization of Carbon Fibers on the Physical and Mechanical Properties of Composites based thereon" in Fiber-like Crystals and Thin Films. Proceedings of the IInd All Union Scientific Conference, Voronezh 1975, p. 379.
Towata and Yumada, "Mechanical Properties of Aluminum Alloy Composites with Hybrid Reinforcements of Continuous Fiber and Whisker or Particulate" in Composites '86: Recent Advances in Japan and the United States p. 497.
Butuzov et al., "Growth of Diamond Whiskers in a Metal-Carbon System at High Temperatures and Pressures" in Sov. Phys. Dokl., vol. 20, No. 11, p. 717.

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