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fiber placement

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Published: 01 November 2010
Fig. 5.9 Fiber placement process More
Image
Published: 01 November 2010
Fig. 5.10 Fiber placement machine. Source: Ref 4 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... and high-quality parts. Since cost has become a major driver, a number of other processes such as automated tape laying, filament winding, and fiber placement are used for certain classes of parts. In addition, other low-cost processes, such as liquid molding and pultrusion, are either in limited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... Autoconsolidation, or in situ placement of melt-fusible thermoplastics, is a series of processes that includes hot tape laying, filament winding, and fiber placement. In the autoconsolidation process, only the area that is being immediately consolidated is heated above the melt temperature; the remainder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860065
EISBN: 978-1-62708-338-6
... is high. Fiber damage that travels through the impregnation, band forming, and delivery to the winding surface affects the filament winding performance in machine halts and fiber placement. Fig. 6.9 Rotating package paths to impregnator Handling Tow for Filament Winding Guides, Eyelets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... the primary advantages and disadvantages of polymer-matrix composites, how they are produced, and how they perform in different applications. It describes the construction of laminates, the fibers and resins used, and the methods by which they are combined. It explains how strength, modulus, toughness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860001
EISBN: 978-1-62708-338-6
... Control of ancillary components is now common so that there can be automated mandrel placement, automatic tie-on and cut-off, automated loading of wet fiber-covered mandrels into the curing oven, and finally, automated extraction. The new machine systems have allowed pipe manufacturers the ability to wind...
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...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... before pyrolysis. Resin transfer molding, vacuum impregnation, fiber placement, and filament winding have all been used to impregnate and form preceramic preforms. The composite part is initially autoclave cured at 300 to 500 °F (150 to 260 °C) and 50 to 100 psi. The part is then put through the first...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
...-wound article will exhibit a strong fiber pattern. Plastics processing is a form conversion process. The material that enters the process as plastic pellets or powder is basically the same material that exits the process as a plastic part. The plastic process converts the shape of the plastic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
... Fig. 1.1 Composite cross sections. (a) Sheet molding compound made from carbon-black-filled epoxy resin and chopped glass fiber. Bright-field illumination, 65 mm macrophotograph montage. (b) Quasi-isotropic unidirectional prepreg laminate. Slightly uncrossed polarized light, 5× objective...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.9781627083492
EISBN: 978-1-62708-349-2
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 September 2011
DOI: 10.31399/asm.tb.cfw.t52860115
EISBN: 978-1-62708-338-6
... to compare the expected or actual performance achieved in solid RMCs. The data illustrate how fiber properties (strength-to-density ratio) dominate this parameter. The data also show that the geometry of the case (length to diameter) has little effect on the performance factor. The versatility of filament...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030067
EISBN: 978-1-62708-349-2
... Fig. 4.1 Mounted titanium honeycomb specimen. Note the cuts introduced into the titanium honeycomb to facilitate resin impregnation. Fig. 4.2 Results of a diamond saw cut and the effect on the brittle boron fibers. The cracked fiber is easy to see, and scratches are evident...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
.... At this point, it is worthwhile to define winding angle , because this term will occur frequently in the discussion and means different things to different people. For a pipe, the winding angle is defined as the angle between the fiber direction on the mandrel surface and the axis of mandrel rotation, so...
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: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... techniques. 11.2.2 Anisotropic Structures Reinforced plastics long ago demonstrated fiber alignment during extrusion. Fiber additions provide strength and are routinely employed in automotive plastics by using chopped glass fibers. Although not perfectly aligned, high strength results from fibers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
... Fig. 6.1 Collage of micrographs taken from an ultrathin section of an interlayer-modified carbon fiber composite. The morphology of the interlayer area is shown with the use of transmitted-light Hoffman modulation contrast and differential interference contrast (DIC). Reflected-light bright...