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aligned continuous fibers

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003377
EISBN: 978-1-62708-195-5
...Abstract Abstract A unidirectional fiber composite (UDC) consists of aligned continuous fibers that are embedded in a matrix. This article describes a variety of analytical methods that are used to determine the various physical properties of the UDC. These properties include elasticity...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003448
EISBN: 978-1-62708-195-5
... expansion, 10 –6 K Thermal conductivity, W/m · K MPa ksi GPa 10 6 psi MPa m ksi in . Al/Al 2 O 3 continuous fiber 1300–1900 189–276 220–300 31.9–43.5 3.5 10–12 80 Al/Al 2 O 3 short fibers 300–450 43.5–65.3 120–140 17.4–20.3 15–20 13.7–18.2 3.1 17 100...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... Fibers and matrix powder are mixed together and hot pressed to produce low-porosity composites, with uncracked matrices, if thermal expansion coefficients are matched. Aligned continuous fiber composites can have very high strengths. Often combined with slurry infiltration of fibers or fiber preforms...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
... fiber-reinforced composites Particle-reinforced composites The structures of the three types of MMCs are schematically shown in Fig. 2 . A unidirectionally aligned continuous fiber-reinforced composite is illustrated in Fig. 2 . The fiber material can be carbon or a ceramic such as silicon...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003350
EISBN: 978-1-62708-195-5
..., that combine fiber placement, consolidation, and elevated-temperature cure in one continuous operation. The pultrusion process is a low-cost, high-volume method to produce long parts with constant (or nearly constant) cross section containing fibers aligned predominantly along the longitudinal axis of the part...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
... Fig. 5 SiC whisker-reinforced (20 vol% SiC) aluminum alloy sheet with the whiskers aligned in the direction of rolling Fig. 7 Cross section of a continuous-fiber-reinforced aluminum/boron composite. Shown here are 142 μm diam boron filaments coated with B 4 C in a 6061 aluminum alloy...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003418
EISBN: 978-1-62708-195-5
... pattern on a cylindrical mandrel. The pattern shown is a parallelogram with continuous fibers, and its width is a function of the mandrel diameter and the wrap angle. The pattern length is determined by the tube length and the fiber wrap angle. A few simple calculations show that as the wrap angle...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003417
EISBN: 978-1-62708-195-5
... simply, it refers to a method of manufacture wherein a collection of reinforcements saturated with reactive resin is pulled through a heated die that imparts the final geometry to the composite profile. In virtually every case, the continuous reinforcing fiber choices are integral to the processibility...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006502
EISBN: 978-1-62708-207-5
... through fiber optic cables, enabling their use in automated settings. A fiber optic cable can be routed to the end of a robot arm, where it interfaces with the laser process head mounted to the sixth axis. High-power continuous-wave lasers include: Carbon dioxide (CO 2 ) lasers with wavelength...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
... into three broad categories depending on the aspect ratio of the reinforcing phase. These categories are defined as: Continuous fiber-reinforced composites Discontinuous or short fiber-reinforced composites Particle-reinforced composites Continuously aligned, fiber-reinforced MMCs are used...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... be established, and each ply must be oriented accurately with respect to the reference edge. Before cure, the laminate reference edge is accurately scribed with a reference line that is used to maintain alignment when the cured plate is trimmed. The fiber volume fraction, void content, and the uniformity...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
...Penetrant contrast dyes for composite materials<xref rid="n0026060" ref-type="table-fn">(a)</xref> Table 1 Penetrant contrast dyes for composite materials (a) Red or black permanent-ink felt-tip pen: Translucent fiber composites DYKEM Steel Red (Illinois Tool Works, Inc.) layout fluid...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003394
EISBN: 978-1-62708-195-5
...Abstract Abstract Continuous fiber composite materials offer dramatic opportunities for producing lightweight laminates with tremendous performance capabilities. This article describes the kinematics of fabric deformation and explains the algorithms used in draping simulation. It discusses...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
... … (a) Saffil (ICI Americas, Inc.) (96% Al 2 O 3 -4%SiO 2 ). (b) &gt;98% SiC. (c) Transverse rupture strength of bulk Fig. 1 The material cost versus performance of various aluminum-matrix composites. DRA, discontinuously reinforced aluminum Fig. 8 Cross section of a continuous fiber...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003402
EISBN: 978-1-62708-195-5
..., aligned, discontinuous fibers either partially or fully preimpregnated with thermoplastic resin. In these processes, the fibers and the resin deform together, like a dough containing strands of continuous wires or wire screens under applied stress to form the composite shape. The presence of fibers...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003759
EISBN: 978-1-62708-177-1
... aligned continuous fibers of SiC (nicalon) having a nonuniform spatial distribution, consisting of fiber-rich and fiber-poor regions, observed in the transverse section. (b) Radial distribution function g A ( r ) of the fiber centers in the composite (dark circles) and the corresponding radial...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003443
EISBN: 978-1-62708-195-5
... . Compression modulus and especially compression strength are sensitive to poor material fabrication practices, damage induced by improper coupon machining, and poor fiber alignment. Great care should be taken to minimize all these sources of error. The test is limited to continuous-fiber or discontinuous...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003038
EISBN: 978-1-62708-200-6
... deficiency, reinforcing fibers aligned in the transverse direction must be provided. Continuous-strand mat, which has fibers oriented randomly in all directions, is most commonly used. These fibers are then held together with a thermoset resin binder, which allows the mat to have sufficient tensile strength...
Book Chapter

By Karl K. Chang
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0009242
EISBN: 978-1-62708-195-5
.... This article discusses the manufacture of aramid fibers and the major fiber forms, such as continuous filament yarns, rovings, woven fabrics, discontinuous staple and spun yarns, fabrics, and pulp. Key representative properties of para-aramid fibers are listed in a table. The article reviews the properties...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005600
EISBN: 978-1-62708-174-0
... CO 2 10.6 Ytterbium fiber 1.070 Disk (ytterbium: yttrium-aluminum-garnet, or YAG) 1.030 Neodymium:YAG 1.064 Fig. 2 In-process video image of penetration-mode hybrid laser arc welding on steel. GMAW, gas metal arc welding. Courtesy of Edison Welding Institute Fig. 3...