Isotropic orientation of carbon fibers in resin matrix materials

Details Isotropic orientation of carbon fibers in resin matrix materials Isotropic orientation of carbon fibers in resin matrix materials

1994-09-09

1996-04-09

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523222, 523223, 252500, 252511, 524495, C08J 506, C08K 304, C08L10100

Patent

active

055062938

ABSTRACT:
An isotropic resin matrix material includes resin doped with fiberballs. Fiberballs are formed from a plurality of fibers generally radiating outward from a common node. These fibers are of sufficient numbers and separation at a distal end to form a spherical shape. The fiberballs are uniformly distributed throughout the resin. Preferably, the fibers making up the fiberballs are carbon fibers. The carbon fibers impart thermal and electrical conductivity, or dielectric loss characteristics in some configurations. These conductivity and loss characteristics are isotropic in they are the same no matter where the electrical or thermal energy is applied due to the radial structure and uniform distribution of the fiberballs. The fiberballs may also be saturated with a phase change material and encapsulated in a shell so as to impart a heat dissipation capacity to the resin matrix material. Heat impinging on the resin matrix material is transferred to the phase change material via the surface of the individual fibers making up the fiberball. Here again, the radial structure and uniform distribution of the fiberballs imparts an isotropic nature to the heat dissipation capacity.

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