unlike metals, carbon fiber, and composites in general, are called anisotropic materials. this means the properties of the material are directionally dependent. for an easy analogy, think of a piece of wood. the strength of wood is dependent on the orientation of the grain.
sgl carbon has more than 40 years of experience in carbon fibers and composite materials covering the entire value chain from precursor, carbon fibers, textiles, and pre-impregnated materials to finished components made from fiber-reinforced plastics.
the most important factors determining the physical properties of carbon fiber are degree of carbonization carbon content, usually more than 92% by weight and orientation of the layered carbon planes the ribbons . fibers are produced commercially with a wide range of crystalline and amorphous contents variations to modify or favour the various properties.
t300 - baseline carbon fiber used in aerospace applications with over 20 year service history. has 30 year production history and is known for balanced composite properties, high quality and consistency, reliability and availability of supply. available in 1k, 3k, 6k and 12k tow sizes.
a carbon-carbon composite is a carbon fiber reinforced carbon matrix composite. it is a two-phase composite material and as the name implies, both the matrix and reinforcement fiber are carbon. carbon-carbon can be tailor-made to give a wide variety of products by controlling the choice of fiber-type, fiber presentation and the matrix.
carbon fiber composite design guide. graphite composites have exceptional mechanical properties which are unequalled by other materials. the material is strong, stiff, and lightweight. graphite composite is the material of choice for applications where lightweight and superior performance is paramount, such as components for spacecrafts,
composite materials are made by combining reinforcement fiber with matrix resin , and this combination of the fiber and matrix provide characteristics superior to either of the materials alone. in a composite material, the fiber carry majority of the load, and is the major contributor in the material properties.
carbon-carbon c/c composites may be manufactured with different orientation of the reinforcing phase carbon fibers : unidirectional structure, bi-directional structure cloth made of multiple carbon fiber yarns , multi-directional structure 3d, 4d, 5d, etc. .
carbon carbon composites have many thermal and mechanical properties required by aerospace materials that must operate at high temperature. these properties include stable mechanical properties to temperatures approaching 3000 c; high ratios of stiffness-to-weight and strength-to-weight; low thermal expansion; and good resistance to thermal shock, corrosion and creep.
polymer; thermoset; epoxy; epoxy/carbon fiber composite. material notes: this property data is a summary of similar materials in the matweb database for the category 'epoxy/carbon fiber composite'. each property range of values reported is minimum and maximum values of appropriate matweb entries.
properties of two carbon composite materials using ltm25 epoxy resin juan il cruz langley research center, hampton, virginia c. h. shah and a. s. postyn northrop grumman corporation, el segundo, california november 1996 national aeronautics and space administration langley research center hampton, virginia 23681-0001
carbon fibre reinforced carbon cfrc , carbon carbon c/c , or reinforced carbon carbon rcc is a composite material consisting of carbon fiber reinforcement in a matrix of graphite. it was developed for the nose cones of intercontinental ballistic missiles , and is most widely known as the material for the nose cone and wing leading edges of the space shuttle orbiter .
c-c composites retain mechanical properties even at temperatures in non-oxidizing atmospheres above 2000 c. they are also highly resistant to thermal shock, or fracture due to rapid and extreme changes in temperature. the material properties of a carbon-carbon composite vary depending on the fiber fraction, fiber type selected, textile weave
properties carbon/epoxy composite tube; property : value: material : high precision tubes: thermal expansion coefficient - longitudinal: x10-6 k-1: 0.1: volume fraction of fibres % 55 - 60: young's modulus - longitudinal: gpa: 110 - 120: properties carbon/epoxy composite rod; property : value: compressive strength - longitudinal: mpa: 800 - 1300: compressive strength - transverse: mpa
compressive properties are commonly weak parts in structural application of fiber composites. matrix modification may provide an effective way to improve compressive performance of the composites. in this work, the compressive property of epoxies usually as matrices of fiber composites modified by different types of nanoparticles was firstly investigated for the following study on the
carbon fiber composites have many unique properties including extreme strength, light weight, original and prestigious design. yet this material has many secrets as far back as 40 years ago it was used only by military research centers and nasa.
the information provided includes: fiber technology, matrix material, design of composite structures, manufacturing techniques, engineering mechanics, protective coatings, and structural applications using carbon-carbon materials and composites.
engineering composites mechanical properties. composite materials include some of the most advanced engineering materials today. the addition of high strength fibers to a polymer matrix can greatly improve mechanical properties such as ultimate tensile strength, flexural modulus, and temperature resistance.
used by sgl carbon for a high-strength composite material con-sisting of a carbon or graphite matrix with carbon fiber reinforcement. this combination of carbon or graphite with carbon fibers unites the many and varied favorable material properties of fiber com-posites with those of electrographite. the tailor-made composite material
physical properties. a composite material typically consists of relatively strong, stiff fibres in a tough resin matrix. wood and bone are natural composite materials: wood consists of cellulose fibres in a lignin matrix and bone consists of hydroxyapatite particles in a collagen matrix.
mechanical, chemical or physical properties. like all other composite materials, carbon-carbon c-c composites combine two major elements, carbon fibers and a carbon matrix. the properties of carbon-carbon c-c composites are significantly improved and more appropriate for many applications.
further, similar composite materials, perhaps with the same type of fiber but with a different matrix material, may not have similar material properties. some mechanical properties, such as the fiber-direction 0 tension stiffness e 1 and tension strength s 1 , typically are fiber-dominated such that the choice of a similar polymer matrix material does not produce a significant difference.
composite materials represent some of the most advanced engineering materials today. the addition of high strength fibers carbon, glass, aramid, pbo to a polymer matrix can improve the tensile strength, flexural modulus and other properties.
polymers polymer composites, vol. 23, no. 7, 2015 475 elastic properties of carbon fibre-reinforced epoy composites 1. introduction carbon fibre-reinforced polymers cfrp , a relatively new class of polymer composites, consist of multiple layers of fibrous materials1. cfrp materials are used widely in packaging, electronics, automotive,
they are also highly resistant to thermal shock, or fracture due to rapid and extreme changes in temperature. the material properties of a carbon-carbon composite vary depending on the fiber fraction, fiber type selected, textile weave type and similar factors, and the individual properties of the fibers and matrix material. fiber properties depend on precursor material, production process, degree of graphitization and orientation, etc.
figure 16.8 shows the strength properties of several carbon carbon composites and other aerospace materials over a wide temperature range. the strength of advanced types of carbon carbon increase with the temperature up to at least 2000 c, which is an obvious benefit when used at high temperature.
dence on direction can occur for other material properties, such as ultimate strength, poissons ratio, and thermal expansion coefficient. bulk materials, such as metals and polymers, are normally treated as isotropic materials, while composites are treated as anisotropic. however, even bulk materials such as metals can become