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prepreg tape manufacturing processes

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... part on its individual tool. 5.2.3 Roll or Tape Wrapping Small-diameter, hollow cylindrical parts, such as golf club shafts and fishing rods, are made by a process called roll wrapping . Rectangular or triangular prepreg plies, called flags , are cut and then roll wrapped at various angles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
..., such as twisting, weaving, knitting, carding, and felting. Yarns and rovings are used in filament winding, prepreg tape, and pultrusion processes. Applications include missile cases, pressure vessels, sporting goods, cables, and tension members. Aramid paper used in honeycomb sandwich constructions is made...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... (b) (a) Depends on how “highest performance” is defined—high temperature, toughness, and superior mechanical properties. (b) Material form is not driven by performance, but is typically defined by the manufacturing process. Relative comparison of dry fiber/neat resin and prepreg...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
... Abstract This chapter provides a general description of materials and methods for manufacturing high-performance composites. The materials covered are polymer matrices and prepreg materials and the methods include infusion processes, composite-toughening methods, matrix-toughening methods...
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 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... of the product form used. For example, well-consolidated hot melt–impregnated tape can be successfully consolidated in very short times (minutes if not seconds), while woven powder coated or comingled prepregs require longer times for the resin to flow and impregnate the fibers. Occasionally, a process called...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
..., knitting, carding, and felting. Yarns and rovings are used in the filament winding, prepreg tape, and pultrusion processes. Applications include missile cases, pressure vessels, sporting goods, cables, and tension members. Although continuous filament forms dominate composite applications, discontinuous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
... systems ( Ref 6 , 9 ). In addition to water, solvents may be used in the formulation stage or during the processing of prepreg materials ( Fig. 8.1 ) ( Ref 10 ). These volatile materials are difficult to completely remove and, in many cases, cause voids in the cured parts. Fig. 8.1 Glass fabric...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... in the manufacturing process, are often concentrated at surfaces and interfaces. Thus, even minute differences in the bulk can be magnified and detected easily at the surface. Similarly, environmental degradation often has its most pronounced effects at surfaces. The workhorse instrument in surface analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860151
EISBN: 978-1-62708-338-6
... has 140,000 filaments. strand. An assembly of continuous filaments, towpreg. Preimpregnated tow or strands for fil- without twist. When used as a unit, may ament winding. It differs from typical prepreg include tows, ends, yarn, and denier. tape in that the tow is wound onto the rov- stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... surfaces mated, sealed off, and did not allow air evacuation; air became trapped in the laminate, resulting in porosity. To circumvent this problem while maintaining the quality advantages of the resin filming process, the manufacturers deliberately began only partially impregnating the prepreg. It should...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
... cure cycles, and higher pressures (such as 200 psig). Volatiles and voids are always potential problems when processing polyimides. Even the so-called addition-curing systems can exhibit volatile problems as the low molecular weight monomers are usually dissolved in solvents during manufacturing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870517
EISBN: 978-1-62708-314-0
... concern with wet lay-up patches is that it may be difficult or impossible to match the strength and stiffness of the original structure if the structure is thin and made from unidirectional tape, since the wet lay-up material will be woven cloth. Both prepreg and wet lay-up patches have the advantage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
... of programming various geometries using advanced software tools and discusses how various materials, such as rovings, tow-preg, prepreg tape, and woven materials, affect winding program generation. computer numerical controlled winding machines computer-aided manufacturing filament winding prepreg tape...
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 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... conventional textile operations, such as twisting, weaving, knitting, carding, and felting. Yarns and rovings are used in filament-winding, prepreg tape, and pultrusion processes. Applications include missile cases, pressure vessels, sporting goods, cables, and tension members. Although continuous-filament...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860095
EISBN: 978-1-62708-338-6
... that parallel the configurations of the laminate layup. These are the test specimens that support confidence in the filament winding manufacturing process. Usually, it is not possible to provide A- or B-basis allowables so that the filament-wound structure can be confidently designed. There are data...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... temperatures. Nippon’s Nicalon series of SiC fibers are the most prevalent. Nicalon fibers are produced by a polymer pyrolysis process that results in a structure of ultrafine β -SiC particles approximately 1 to 2 nm dispersed in a matrix of amorphous silicon oxide and free carbon. Fiber manufacture consists...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... components. However, since many of the processing procedures originally developed for aluminum MMCs have been transitioned to titanium, a brief review of these methods will be given. Fig. 20.16 Boron monofilament manufacture. BCl 3 , boron trichloride Fig. 20.17 Boron monofilament reactor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... along with best practices and procedures. composite manufacturing radiographic inspection thermographic inspection ultrasonic inspection visual inspection FLAWS CAN OCCUR, unfortunately, at almost any stage of the composite manufacturing process or during service. A summary of some...