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unidirectional fabrics

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860095
EISBN: 978-1-62708-338-6
... of variation is greater than the mean value; in some cases, the models were all judged to be relatively equivalent. Unidirectional prepreg and prepreg tow of T-650-35/1902 were fabricated by Jensen et al. ( Ref 8.19 ) as several angle plies, both as hand-laidup flat specimens and as tubular filament-wound...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... Abstract This article briefly reviews abrasive and adhesive wear failure of reinforced polymers and polymer composites, namely particulate-filled polymers, short-fiber-reinforced polymers, polymers with continuous fibers, and mixed reinforcements and fabrics. It includes scanning electron...
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
... is stronger and stiffer than the matrix material. Different geometric arrangements of the fibers are possible. The fibers may be unidirectionally aligned, aligned at 90° to one another in a woven fabric, or randomly oriented ( Fig. 10.1 ). The fibers may be very long or chopped into short segments for easy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
..., and orthotropic materials, the orientation of plies in unidirectional (lamina) and quasi-isotropic (laminate) lay-ups, and the dominant role of fibers in determining strength, stiffness, and other lamina properties. The chapter also compares the engineering attributes of composites with those of metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... directions; and (2) mechanical properties are very dependent on the specific fiber and resin system and also the fabrication method used. Table 8.1 Typical properties of unidirectional composite materials Property E-glass/epoxy Aramid/epoxy High-strength carbon/epoxy Intermediate-modulus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... available as both unidirectional and fabric prepreg that can be vacuum bag or autoclave molded. Again, E-glass, being fairly low in cost, is the most prevalent product form. For demanding aerospace applications, the higher-cost S-2 glass can be used. As shown in Table 14.8 , S-2 glass provides both higher...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... unidirectional, woven cloth, and helical winding, while the discontinuous reinforcements shown are chopped fibers and random mat. Continuous-fiber composites are often made into laminates by stacking single sheets of continuous fibers in different orientations to obtain the desired strength and stiffness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... is usually supplied as wide rolls (up to 60 in. (1.5 m) wide) to minimize the number of splices required in a part. Fabric prepregs usually have higher FAWs than unidirectional tape and thicker cured per ply thickness such as 0.014 in./ply. Prepregs normally produce the highest laminate strengths when...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... Abstract This chapter familiarizes readers with the many and varied thermoset composite fabrication processes and the types of applications for which they were developed. It describes wet lay-up, prepreg lay-up, and low-temperature vacuum bag curing prepreg processes, which are best suited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... either during fabrication or in service. Even a very small crack can quickly grow to critical size, leading to sudden failure. While reinforcements such as fibers, whiskers, or particles are used to strengthen polymer- and metal-matrix composites, reinforcements in ceramic-matrix composites are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... resin • • • • • … Oriented continuous Unidirectional tape … … • … • • Woven prepreg … … • … • … Woven fabric/neat resin • • … • • … Stitched material/neat resin … • … … … … Prepreg roving … … … • … … Roving/neat resin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
.... These standards had to account for: (1) the materials’ orthotropy, which required more properties to be determined than for isotropic materials; (2) their laminated construction; (3) the fact that unidirectional composites are extremely strong and stiff in one principal direction and weak and flexible...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... • Bilow G.B. and Campbell F.C. , “ Low Pressure Fabrication of Borsic/Aluminum Composites ,” Sixth Symposium of Composite Materials in Engineering Design , May 1972 • Ejiofor J.U. and Reddy R.G. , Developments in the Processing and Properties of Particulate Al-Si...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
.... Fig. 20.5 Silicon carbide monofilament Fig. 20.6 Silicon carbide monofilament/titanium matrix composite The primary MMC fabrication processes are often classified as either liquid phase or solid state. Liquid phase processing is generally considerably less expensive than solid state...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the effect of fiber length and orientation on the strength and stiffness of discontinuous-fiber composites. It also describes several fabrication processes, including spray-up, compression molding, reaction injection molding, and injection molding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... Abstract This chapter discusses the failure mechanisms associated with fiber-reinforced composites. It begins with a review of fiber-matrix systems and the stress-strain response of unidirectional lamina and both notched and unnotched composite laminate specimens. It then explains how cyclic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... Corp., Atomics International Div. , Golden, CO 10.2172/6797807 Corzine P. , and Kaufmann A.R. , 1955 . The Melting and Casting of Beryllium , The Metal Beryllium , Section A, Fabrication, American Society for Metals , p 136 – 151 Crossley F.A. , Metcalfe A.G...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.9781627083386
EISBN: 978-1-62708-338-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
...) Material condition (fabrication) Material assembly technology Constitutive equations relating to properties Material properties and test procedures Density Specific heat Coefficient of thermal expansion Thermal conductivity Tensile strength Yield strength Elongation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... composites fabrication continuous fiber metal-matrix composites discontinuous fiber metal-matrix composites aluminum-matrix composites titanium-matrix composites fiber-metal laminates METAL-MATRIX COMPOSITES (MMCs) are capable of providing higher-temperature operating limits than their base metal...