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high-modulus graphite fibers

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... physical and mechanical property data for commercially important high-strength fibers. aramid fibers carbon fibers composite reinforcement glass fibers graphite fibers prepreg ultra-high molecular weight polyethylene fibers woven fabrics REINFORCEMENTS for composite materials can be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
.... E-glass is a low-cost, high-density, low-modulus fiber that has good corrosion resistance and good handling characteristics. S-2 glass was developed in response to the need for a higher-strength fiber for filament-wound pressure vessels and solid rocket motor casings. While more expensive than E...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... nonferrous alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic additions. Reinforcements, either continuous or discontinuous, may constitute from 10 to 70 vol% of the composite. Continuous fiber or filament (f) reinforcements include graphite, silicon carbide (SiC), boron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... materials. In addition, more expensive cynate ester resins are often specified because they absorb less moisture and are thus more dimensionally stable and less prone to outgassing in the near-vacuum atmosphere of space. Therefore, high-modulus carbon and graphite fiber composites are somewhat restricted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... fibers (c) of Al 2 O 3 or graphite. Particulate reinforced composites ( Fig. 20.2 ), primarily SiC or Al 2 O 3 ceramic particles in an aluminum matrix, are known as discontinuously reinforced aluminum (DRA). They exhibit high stiffness, low density, high hardness, and adequate toughness at volume...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
..., continuous fiber ceramic composites, and carbon-carbon composites. The advantage of ceramic-matrix and carbon-carbon composites is that they can operate reliably at very high temperatures in harsh environments ( Fig. 11.4 ). The need for high-temperature materials spans the range of industries, from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... be calculated by multiplying the fiber failure strain by the fiber radius. High strength, low modulus, and small diameters all contribute to fibers that can be processed using conventional textile technology. For example, while silicon carbide monofilaments have a critical bend radius of only 275.6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
... High Low Machinability Good Poor Good Tensile strength, MPa (ksi) Up to 2500 (360) Up to 400 (58) Up to 140 (20) Compressive strength, MPa (ksi) Up to 2500 (360) Up to 5000 (725) Up to 350 (50) Young’s modulus, GPa (10 6 psi) 15 to 400 (2 to 58) 150 to 450 (22 to 65) 0.001 to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... frequently classified as either (1) high strength, (2) intermediate modulus, or (3) high modulus. Both carbon and graphite fibers are produced as untwisted bundles called tows . Common tow sizes are 1k, 3k, 6k, 12k, and 24k, where k = 1000 fibers. Immediately after fabrication, carbon and graphite fibers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... strength and rigidity. The use temperature for epoxy composites usually ranges anywhere from –67 to 250 °F (–55 to 120 °C). There are several observations that we can make from this simplified analogy. High-modulus carbon, graphite, and aramid fibers have negative CTEs. Normally, the higher the fiber...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550001
EISBN: 978-1-62708-307-2
... 1945, over 7 million pounds of fiberglass were used in military applications. Fiberglass pipe was first introduced in 1948 and was widely used within the corrosion market and the oil industry. In 1959 and 1962, two processes for manufacturing high-strength and high-modulus carbon fibers from rayon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... region, which is the region that has a T g . If a material is amorphous, a single decrease is usually seen at temperatures near the T g . At even higher temperatures, there is another similar drop in modulus, and the plastic flows easily as a high viscosity liquid. At this condition, the plastic can...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
... resistance. Epoxies High-performance matrix systems for primary continuous-fiber composites. Can be used at temperatures up to 250–275 °F. Give better high-temperature performance than polyesters and vinyl esters. Bismaleimides High-temperature resin matrices for use in the temperature range of 275...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... normal bidirectional glass cloth or a bias weave (± 45 degrees) cloth. It is usually impregnated with phenolic resin, but for high-temperature applications a polyimide resin is used. The advantage of the bias weave is that it enhances the shear modulus and improves the damage tolerance of the core. Nomex...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... deform plastically at limit load and (2) an elastic-plastic analysis to predict the actual joint strength. The elastic-plastic analysis is inappropriate for the lower-load-level case, because the initial shear modulus is too low and the elastic strain energy is too high. It is important to understand...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... Heating elements, insulators, magnets, sensors, integrated circuit packages, substrates, solid electrolytes, piezoelectrics, dielectrics, superconductors Optical Low absorption coefficient Lamps, windows, fiber optics, infrared optics Nuclear Irradiation resistance, high absorption coefficient...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... groups of pores generally causes this effect. At least five consistent readings should be taken, in addition to any obviously high or low readings, which are discarded. The remaining five readings should be averaged. Because most published data show typical hardness values, the buyer and seller must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7