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applications of prepreg resins

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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
... 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 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
...-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, montage. (c) 3k-70 woven carbon fabric laminate. Bright-field illumination, 5× objective, montage...
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.omfrc.t53030067
EISBN: 978-1-62708-349-2
... with the mounting resin and cured with the application of pressure. The mounted specimen can then be ground and polished as described in Chapter 3, “Rough Grinding and Polishing,” in this book. Preparation of other metallic honeycomb-cored composites will benefit from this technique as well as thin-walled ribbed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
... for Secondary Structural Applications , Polym. Compos. , Vol 19 (No. 1) , Feb 1998 , p 54 – 64 10.1002/pc.10075 11. Harper J.F. , Miller N.A. , and Yap S.C. , The Influence of Temperature and Pressure during the Curing of Prepreg Carbon Fiber Epoxy Resin , Polym.-Plast. Technol...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030223
EISBN: 978-1-62708-349-2
... of the intermingling of the film adhesive/prepreg resin system. It discusses the causes and effects of honeycomb core movement, which results in core crush. The chapter also explains the formation of a void in honeycomb composites and the failure mechanisms in honeycomb sandwich structure composites. failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... product form in which a large number of parallel filaments (such as tows) are held together with an organic matrix material (such as epoxy) commonly referred to as prepreg (preimpregnated with resin). The length of the tape in the direction of the fibers is much greater than the width, and the width...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030177
EISBN: 978-1-62708-349-2
... modification are typically thermoplastic or rubber materials with average particle sizes between 20 and 50 μm ( Ref 10 ). This toughening concept is most often applied to prepreg materials and, not until recently, resin transfer-molding applications through the use of particle-modified tackifiers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... effects on HPLC data for Fiberite 934 Aging, days Curing agent, % Major resin, % Minor resin, % Total unreacted, % Resin Prepreg Resin Prepreg Resin Prepreg Resin Prepreg 0 30.30 26.80 51.00 46.20 13.00 11.40 94.3 84.4 7 29.05 23.35 46.20 40.60 12.90 10.20 88.15...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... in composite structures, some of which are illustrated in Fig. 18.1 . The fibers can be continuous or discontinuous. They can be oriented or disoriented (random). They can be furnished as dry fibers or preimpregnated with resin (prepreg). Fig. 18.1 Product forms used in composites Not all fiber...
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
... of thermoset resin matrices Table 3.1 Relative characteristics of thermoset resin matrices Polyesters Used extensively in commercial applications. Relatively inexpensive, with processing flexibility. Used for continuous and discontinuous composites. Vinyl Esters Similar to polyesters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... content prepreg or prebled to remove resin and compact the lay-up if the material is an excess resin content prepreg. These two factors, namely, large and heavy matched metal dies with slow heat-up rates and compacted net resin content plies that have been advanced during the hot debulking or prebleeding...
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.t52860151
EISBN: 978-1-62708-338-6
.... An early stage in the polymeriza- tion reaction of certain thermosetting resins bleedout. In filament winding, the excess liquid (especially phenolic) in which the material, resin that migrates to the surface of a wind- after application to the reinforcement, is still ing. soluble in certain liquids...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... into the pressure application zone for consolidation. If the material requires time for resin flow for full consolidation or crystallinity control, then the press may require heating. If a well-consolidated prepreg is used, then rapid cooling in a cold platen press may suffice. It should be pointed out...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
..., and rear window decks. Nonautomotive SRIM applications include seat shells for the furniture market and satellite dishes for home entertainment centers. Structural reaction injection molding is an attractive process for the economical production of large, complex structural parts. Resin Transfer Molding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860001
EISBN: 978-1-62708-338-6
... Analysis Increasingly better methods for composite analysis have given designers a quicker, more reliable answer for closed-form analysis. There are “B”-basis allowable data for fiber/resin combinations for 121 °C (250 °F)-curing prepreg for the aircraft composite component industry (e.g., AGATE...
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
... psi (700 kPa). Prepreg patches produce higher-quality patches than wet lay-up patches. However, prepreg must be stored in a 0 °F (–18 °C) freezer and has a shelf life of one year or less. Some resins used for wet lay-up patches can be stored at room temperature for six to 12 months. An additional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... cores, such as glass or aramid, must be held in the expanded position and dipped in a liquid resin, which then must be cured before the expansion force can be released. Although epoxy and polyester resin systems are possible, phenolic and to some extent polyimide for higher-temperature applications...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
... or handling device. Automatic resin-mixing systems with an on-demand level gage mounted in the resin bath can discharge a specified amount of premixed resin directly into the resin bath. Fully automatic tying on of wet or prepreg rovings to the mandrel was invented along with automatic cutting off of wet...