PROCEDIMIENTO PARA LA PRODUCCION RAPIDA DE PREFORMAS FIBROSAS

PROCEDIMIENTO DE PRESION TERMOMECANICA (TMP) PARA OBTENER RAPIDAMENTE UNA PREFORMA DE COMPUESTO DE CARBONO/CARBONO DE ALTA DENSIDAD (1,2G/CM 3 ) A PARTIR CE CUALQUIER FIBRA DE CA RBONO, INCLUIDAS LAS FIBRAS BASADAS EN PAN (POLIACRILONITRILO) Y ALQUITRAN DE HULLA INDUSTRIAL O PEZ DE PETROLEO (DERIVAD...

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Hauptverfasser: DEMIN, ALEKSANDR VIKTOROVICH, PENKOV, IGOR ALEXANDROVICH, KOSTIKOV, VALERY IVANOVICH, KULAKOV, INNOKENTII VICTOROVICH
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PENKOV, IGOR ALEXANDROVICH
KOSTIKOV, VALERY IVANOVICH
KULAKOV, INNOKENTII VICTOROVICH
description PROCEDIMIENTO DE PRESION TERMOMECANICA (TMP) PARA OBTENER RAPIDAMENTE UNA PREFORMA DE COMPUESTO DE CARBONO/CARBONO DE ALTA DENSIDAD (1,2G/CM 3 ) A PARTIR CE CUALQUIER FIBRA DE CA RBONO, INCLUIDAS LAS FIBRAS BASADAS EN PAN (POLIACRILONITRILO) Y ALQUITRAN DE HULLA INDUSTRIAL O PEZ DE PETROLEO (DERIVADOS SINTETICOS INCLUIDOS) CON UN PUNTO DE FUSION DE 80-350 GRADOS CELSIUS. SE PUEDEN PREPARAR PREFORMAS VERDES A PARTIR DE LAS FIBRAS DE CARBONO Y LA PEZ, Y SE FORMA LA MEZCLA RESULTANTE PARA DARLE UNA FORMA CILINDRICA A LA PREFORMA VERDE. ESTA SE CARGA EN UN MOLDE METALICO, SE CALIENTA, ESTABILIZA Y PRESURIZA DURANTE UN PERIODO DE TIEMPO Y SE ENFRIA. A thermomechanical pressing ("TMP") method for obtaining rapidly a high density (1.2 g/cm or higher) carbon/carbon composite preform from any carbon fiber including PAN-based carbon fibers and industrial coaltar or petroleum pitches (including synthetic derivatives) having a melting point m.p.=80-350 DEG C. Green preforms may be prepared from mixtures of carbon fibers and pitch, and the resulting mixture is formed to impart a cylindrical shape to the green preform. The green preform is charged into a metallic mold where it is heated, stabilized, pressurized for a period of time, and cooled.
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SE PUEDEN PREPARAR PREFORMAS VERDES A PARTIR DE LAS FIBRAS DE CARBONO Y LA PEZ, Y SE FORMA LA MEZCLA RESULTANTE PARA DARLE UNA FORMA CILINDRICA A LA PREFORMA VERDE. ESTA SE CARGA EN UN MOLDE METALICO, SE CALIENTA, ESTABILIZA Y PRESURIZA DURANTE UN PERIODO DE TIEMPO Y SE ENFRIA. A thermomechanical pressing ("TMP") method for obtaining rapidly a high density (1.2 g/cm or higher) carbon/carbon composite preform from any carbon fiber including PAN-based carbon fibers and industrial coaltar or petroleum pitches (including synthetic derivatives) having a melting point m.p.=80-350 DEG C. Green preforms may be prepared from mixtures of carbon fibers and pitch, and the resulting mixture is formed to impart a cylindrical shape to the green preform. The green preform is charged into a metallic mold where it is heated, stabilized, pressurized for a period of time, and cooled.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record>
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language spa
recordid cdi_epo_espacenet_ES2187940TT3
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subjects ARTIFICIAL STONE
BLASTING
BRAKES
CEMENTS
CERAMICS
CHEMISTRY
CLUTCHES
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
LIME, MAGNESIA
MECHANICAL ENGINEERING
METALLURGY
REFRACTORIES
SLAG
THERMAL INSULATION IN GENERAL
TREATMENT OF NATURAL STONE
WEAPONS
title PROCEDIMIENTO PARA LA PRODUCCION RAPIDA DE PREFORMAS FIBROSAS
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