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high-modulus graphite fibers

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780295
EISBN: 978-1-62708-281-5
... graphite fibers in amorphous polymers. thermal stress physical aging amorphous polymers high-modulus graphite fibers ENGINEERING PLASTICS, as a general class of materials, are prone to the development of internal stresses that arise during processing or during service when parts are exposed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... contributes to its high strength. Fig. 2.13 Carbon fiber structure. Source: Ref 5 If a true graphite fiber is desired, the fiber is graphitized at temperatures between 3600 and 5500 °F (1980 and 3040 °C), which produces a more crystalline structure and a higher elastic modulus. The final...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860149
EISBN: 978-1-62708-338-6
... Table A1.1 Fiber designations Fiber designation Type Commercial source AS-4 High-strength carbon/graphite Hexcel T-400 Carbon/graphite Toray, SGL T-650 Carbon/graphite Toray IM-7 Intermediate-modulus carbon/graphite Toray M46J High-modulus carbon/graphite Toray OC...
Book Chapter

By M. B. Kasen
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860413
EISBN: 978-1-62708-348-5
... psi) Low Modulus E Glass 3450 500 72 10.5 S Glass 4825 700 85 12.4 High Modulus Kevlar 49 (polyaramid) 2760 400 130 19 Boron 2760 400 380 55 Graphite:    Type I 1720–2410 250–350 310–520 45–75    Type II 2410 350 260 38    Type III 2070–2410...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... counterparts, and they can be engineered for improved strength, stiffness, thermal conductivity, abrasion resistance, creep resistance, or dimensional stability. However, due to their high cost, commercial applications for MMCs are sparse, especially for the extremely expensive continuous fiber-reinforced MMCs...
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 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
..., due to the lower aspect ratio and more random orientation of the reinforcements. Fig. 8.1 Common forms of composites containing unidirectional high-strength/high-modulus fibers embedded in a softer matrix. (a) Straight, continuous fibers. (b) Discontinuous or chopped fibers Among...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... in more fiber cracking and pulverization, leading to deterioration in load-carrying capacity, while high speed accelerates the debonding of fibers/fillers. This results in easy peeling off or pulling out of the reinforcing phase. High-modulus fibers are more effective in wear reduction than the high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
..., with strengths ranging from 2 to 7 GPa (300 to 1000 ksi) and moduli ranging from 207 to 1000 GPa (30 to 145 × 10 6 psi). With this wide range of properties, carbon fiber is frequently classified as high strength, intermediate modulus, or high modulus. Both carbon and graphite fibers are produced as untwisted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... applications where high-modulus carbon or graphite multifilaments could be used to produce structures with high stiffness, low weight, and little or no thermal expansion over large temperature swings. Unidirectional high-modulus graphite P100 Gr/6061 aluminum tubes exhibit an elastic modulus in the fiber...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... carbon and graphite fiber composites are somewhat restricted for usage in specialized applications. Comparative properties of high-strength and high-modulus composites Table 14.12 Comparative properties of high-strength and high-modulus composites Property AS-4/3501-6 carbon/epoxy GY-70/934...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... temperatures are acceptable for a single mission. (b) Orbital maneuvering (OMS) engines The ceramic tiles are made from very high-purity amorphous silica fibers ~1.2 to 4 μm in diameter and 0.32 cm (0.125 in.) long, which are felted from a slurry and pressed and sintered at ~1370 °C (2500 °F...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
... (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 10 (0.00015 to 1.45) High-temperature creep resistance Poor to medium Excellent … Thermal expansion Medium to high Low to medium Very high...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
... 950 (30.6) (20.6) (13.5) (17.8) (a) Values are tensile strength at break since these materials do not yield. (b) Not applicable. (c) No break occurred. Material code: Delrin 100P, 500P, and 900P are unmodified acetals with high, medium, and low viscosities, respectively; Delrin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060183
EISBN: 978-1-62708-355-3
... to bonded tab use. Furthermore, the use of a softer tab material is usually preferred when testing high-modulus materials (such as fiber-glass tabs on a graphite-reinforced specimen). The simplest way to avoid bonded tab problems is to not use them. Many laminates (mostly nonunidirectional) can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860151
EISBN: 978-1-62708-338-6
...-glass. A magnesium aluminosilicate glass per unit cross-sectional area, within the gage length, of the specimen. The pulling stress specially designed to provide very high-ten- required to break a given specimen. sile-strength glass filaments. S-glass and S-2 glass fibers have the same glass composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860115
EISBN: 978-1-62708-338-6
... of choice were intermediate-modulus, high-strength polyacrylonitrile-based carbon fibers such as T800 and IM7, both 40 to 43 × 10 6 psi (276 to 294 GPa) modulus and 800 ksi (5516 MPa) tensile strength fibers available at $60/lb. Currently, the fibers of choice are M30SC or T1000GB. Where high performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... is 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 September 2011
DOI: 10.31399/asm.tb.cfw.t52860081
EISBN: 978-1-62708-338-6
.... 7.4 Young’s modulus for graphite/epoxy laminates. f v , fiber volume Void-Free Structures Figure 7.5 demonstrates that the void content of composites has a very pronounced and deleterious effect upon interlaminar shear strength. Figure 7.6 demonstrates the winding of a void-free...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870179
EISBN: 978-1-62708-299-0
... 20 ). Delayed-time failures were reported at high stress intensities for boron/aluminum MMCs evaluated in air and seawater. It was suggested that the failures resulted from room-temperature creep. Corrosion Fatigue The seawater and air fatigue properties of graphite/6061 aluminum MMCs...