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aramid fibers

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Published: 01 December 2003
Fig. 9 Micrograph of the worn surface for a phenolic resin/aramid fiber composite ( Ref 29 ) showing partial coverage of the polymer pin by transfer film More
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Published: 01 November 2010
Fig. 2.9 Aramid fiber failure modes. Source: Ref 3 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the properties and processing characteristics of glass, aramid, carbon, and ultra-high molecular weight polyethylene fibers and related product forms, including woven fabrics, prepreg, and reinforced mats. It also includes a review of fiber terminology as well...
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Published: 01 December 2003
Fig. 19 Scanning electron microscope micrographs of worn surfaces of PA 66 unidirectional composites. (a) Carbon fiber (parallel, P) showing fiber thinning, fiber fracture, fiber pulverization (left portion), and fiber-matrix debonding (middle portion). (b) Aramid fiber (AF) in the normal More
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Published: 01 December 2003
Fig. 21 Specific wear rates of hybrid composites formulated by two structures, sandwich and layer, (composite aramid fiber/carbon fiber polyamide amorphous). AF, aramid fiber; CF, carbon fiber; N, normal; V f , volume fraction; P, parallel. Source: Ref 5 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... Abstract This chapter examines the static, fatigue, and damage tolerance properties of glass, aramid, and carbon fiber systems. It also explains how delaminations, voids, porosity, fiber distortion, and fastener hole defects affect impact resistance and strength. aramid fibers carbon...
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Published: 01 November 2010
Fig. 13.6 (a) Micrograph of a honeycomb sandwich structure composite after climbing drum peel testing showing areas of the core remaining on the aramid fiber composite facesheet. The microcrack pattern of the composite facesheet was enhanced by the use of DYKEM Steel Red dye, which was applied More
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Published: 01 December 2003
Fig. 8 (a) Schematic of basic wear failure mechanisms observed in parallel, P (a1) (a2), and antiparallel, AP (a3), orientations. (a1) A, fiber slicing; B, fiber-matrix debonding; C, fiber cracking; and D, fiber bending (especially in the case of aramid fiber, AF, or carbon fiber, CF). (a2 More
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Published: 01 September 2011
Fig. 9.28 Pressure vessel burst test examples. (a) 92 in. (2336 mm) large aramid-fiber/epoxy space motor case burst. (b) S-glass pressure vessel burst. (c) Tactical rocket motor carbon-fiber/epoxy burst from high-speed film. (d) Carbon-fiber/epoxy space motor pressure vessel burst on high More
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Published: 01 December 2003
Fig. 22 Failure wear mechanisms of unidirectional fiber-reinforced polymer composites with different orientations of fibers with respect to sliding direction against a smooth metal surface. (a) Normal (N) aramid fibers (AF). (b) Parallel (P) carbon fibers (CF). (c) Wear reduction mechanism due More
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Published: 01 December 2003
Fig. 23 Scanning electron microscope micrographs of worn surfaces of PA 66 hybrid composites. AF, aramid fiber; CF, carbon fiber; N, normal; P, parallel. (a) Hybrid (layer) composite, AF(N)/CF(P). (b) Hybrid (sandwich) composite, AF(N)/CF(P), stopping crack responsible for less wear. (c) AF(N More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... fibers have greater flexibility and are more amenable to fabrication processes such as weaving or forming over radii. Typical fibers include glass, aramid, and carbon, which may be continuous or discontinuous. Fig. 8.2 Typical reinforcement options. Source: Ref 8.1 The continuous phase...
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Published: 01 December 2003
to the sliding plane; AF, aramid fiber; CF, carbon fiber; HY, hybrid; GF, glass fiber. (a) PEI AF (O P ) showing extensive elongation and fibrillation of ductile and soft AF during abrasion (b and c) for PEI AF (O N ). (b) Smooth surface topography due to molten AF (high contact pressure, half the fibers being More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
..., polytrifluorochloroethylene; HDPE, high-density polyethylene; PET, polyethylene terephthalate; PPS, polyphenylene sulfide; PEEK, polyetheretherketone; PES, polyether sulfone; PEI, polyether-imide; ABS, acrylonitrile-butadiene-styrene; PS, polystyrene; PI, polyimide. (b) CF, carbon fiber; GF, glass fiber; AF, aramid fiber...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030223
EISBN: 978-1-62708-349-2
... macrophotograph The failure of a honeycomb sandwich panel with aramid fiber composite facesheets after peel testing is shown in Fig. 13.6 . A micrograph of an unprepared honeycomb-cored composite surface after testing is shown in Fig. 13.6(a) . Almost complete core failure can be observed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... include glass fiber, aramid fiber, and metal oxide particles of various kinds. The role of aramid fibers, in the context of brake pads, caught special attention from tribologists when there was an effort to replace asbestos used in brake pads with aramid fibers ( Ref 18 , 28 – 30 ). Figure 8...
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
... of glass (about 69 GPa, 10 7 psi) the dividing line. This reflects a historical development: glass-reinforced composites were the first to be developed and widely used. Low-modulus fibers are generally cellulose (cotton, linen) and glass. High-modulus fibers are graphite, boron, alumina, organic aramids...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... expensive than E-glass, it has a density, performance and cost between those of E-glass and carbon. Quartz fiber is used in many electrical applications because of its low dielectric constant; however, it is very expensive. Aramid fiber (such as Kevlar) is an organic fiber that has a low density...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860115
EISBN: 978-1-62708-338-6
..., or stiffness requirements. In the 1950s and 1960s, the only fibers available were the E- and S-glass inorganic fibers. In the 1970s, the organic aramid fiber, Kevlar 49 (DuPont), became available, with higher specific stiffness compared to glass fibers. In the late 1980s and most of the 1990s, the fibers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730115
EISBN: 978-1-62708-283-9
... reinforcements include glass, boron, aramid fiber, and carbon. Properties of some epoxy matrix composite systems are given in Table 10.1 . Properties of some commonly used fibers are given in Table 10.2 . Properties of epoxy matrix composites Table 10.1 Properties of epoxy matrix composites Fiber...