The future of carbon-carbon composites

Fitzer, E.

doi:10.1016/0008-6223(87)90116-3

Cited by 662 publications

(190 citation statements)

References 6 publications

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“…10 and 11, most graphitization materials (coke) require a temperature of 3000°C for complete graphitization and to satisfy the minimum distance between planes [81,82]. Fig.…”

Section: Carbonizationmentioning

confidence: 99%

Bulk graphite: materials and manufacturing process

Lee¹,

Kang²,

Roh³

2015

Carbon letters

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Graphite can be classified into natural graphite from mines and artificial graphite. Due to its outstanding properties such as light weight, thermal resistance, electrical conductivity, thermal conductivity, chemical stability, and high-temperature strength, artificial graphite is used across various industries in powder form and bulk form. Artificial graphite of powder form is usually used as anode materials for secondary cells, while artificial graphite of bulk form is used in steelmaking electrode bars, nuclear reactor moderators, silicon ingots for semiconductors, and manufacturing equipment. This study defines artificial graphite as bulk graphite, and provides an overview of bulk graphite manufacturing, including isotropic and anisotropic materials, molding methods, and heat treatment.

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“…10 and 11, most graphitization materials (coke) require a temperature of 3000°C for complete graphitization and to satisfy the minimum distance between planes [81,82]. Fig.…”

Section: Carbonizationmentioning

confidence: 99%

Bulk graphite: materials and manufacturing process

Lee¹,

Kang²,

Roh³

2015

Carbon letters

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“…Some of these extended applications include nuclear reactor components [6], brake discs for high speed vehicles [7], components for chemical plant equipment [8], artificial body parts [9], and bipolar plates for polymer electrolyte membrane (PEM) fuel cells [10][11][12][13]. Of significance is that these areas do not require the very high levels of mechanical properties needed for space and military applications.…”

Section: Preparation Of C/c Compactsmentioning

confidence: 99%

Influence of hot-pressing pressure on the densification of short-carbon-fiber-reinforced, randomly oriented carbon/carbon composite

Raunija¹

2015

Carbon letters

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The prime objective of this research was to study the influence of hot-pressing pressure and matrix-to-reinforcement ratio on the densification of short-carbon-fiber-reinforced, randomly oriented carbon/carbon-composite. Secondary objectives included determination of the physical and mechanical properties of the resulting composite. The 'hybrid carbon-fiberreinforced mesophase-pitch-derived carbon-matrix' composite was fabricated by hot pressing. During hot pressing, pressure was varied from 5 to 20 MPa, and reinforcement wt% from 30 to 70. Densification of all the compacts was carried at low impregnation pressure with phenolic resin. The effect of the impregnation cycles was determined using measurements of microstructure and density. The results showed that effective densification strongly depended on the hot-pressing pressure and reinforcement wt%. Furthermore, results showed that compacts processed at lower hot-pressing pressure, and at higher reinforcement wt%, gained density gradually during three densification cycles and showed the symptoms of further gains with additional densification cycles. In contrast, samples that were hot-pressed at moderate pressure and at moderate reinforcement wt%, achieved maximum density within three densification cycles. Furthermore, examination of microstructure revealed the formation of cracks in samples processed at lower pressure and with low reinforcement wt%.

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“…Carbon fiber reinforced carbon composite materials (C/Cs) combines the high refractory properties, lightweight of graphite material with high fracture toughness of fiber reinforcement; therefore, they have been applied in some extremely severe service conditions such as nose cone and leading edge of space shuttle, brake disk of airplanes and racing cars [1]. However, lack of stability in air at elevated temperature restricted their application fields.…”

Section: Introductionmentioning

confidence: 99%

A carbon nanotube–enhanced SiC coating for the oxidation protection of C/C composite materials

Zheng

Sano

Uchiyama

2011

Composites Part B: Engineering

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A carbon nanotube-enhanced SiC (CNT-SiC) coating was deposited on C/C composites to improve the oxidation resistance of C/C. The CNT-SiC coating was prepared by direct growth of CNTs on C/C surface at 700ºC followed by deposition of SiC using chemical vapor deposition at 1150ºC for 1 hour. SiC was deposited on the CNTs as well as the interface between CNTs and C/C, making CNTs strongly rooted on C/C surface.The final CNT-SiC coating consisted of two layers: the CNT-SiC layer and SiC layer. In comparison to the SiC coating, the CNT-SiC coating showed fewer cracks and a better oxidation resistance because the CNTs reduce the stress in the coating caused by the mismatch of the coefficient of thermal expansion between C/C and SiC.

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The future of carbon-carbon composites

Cited by 662 publications

References 6 publications

Bulk graphite: materials and manufacturing process

Bulk graphite: materials and manufacturing process

Influence of hot-pressing pressure on the densification of short-carbon-fiber-reinforced, randomly oriented carbon/carbon composite

A carbon nanotube–enhanced SiC coating for the oxidation protection of C/C composite materials

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