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thermoplastic composite panels

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... composites is injection molding. While both thermosets and thermoplastic materials can be injection molded, by far the greatest number are molded using thermoplastics. Since the fibers are short and randomly oriented, the amount of strength and stiffness improvement is only nominal, as shown for the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
... Abstract This chapter covers the basic aspects of composite materials. It describes the arrangement, form, and function of their constituent materials and explains how they perform better in combination than on their own. It discusses the directional nature of isotropic, anisotropic, and...
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 for...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... Abstract This chapter describes the molecular structures and chemical reactions associated with the production of thermoset and thermoplastic components. It compares and contrasts the mechanical properties of engineering plastics with those of metals, and explains how fillers and reinforcements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... Abstract This introductory article describes the various aspects of chemical structure and composition that are important to an understanding of polymer properties and their eventual effect on the end-use performance of engineering plastics, namely thermoplastics and thermosets. The most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... Abstract This article covers the thermal analysis and thermal properties of engineering plastics with respect to chemical composition, chain configuration, and/or conformation of the base polymers. The thermal analysis techniques covered are differential scanning calorimetry, thermogravimetric...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... honeycomb panels and foam cores along with their respective applications and unique attributes. The chapter also discusses the cocuring process and its use in fabricating unitized structures. adhesive bonding composite processing honeycomb structures integral cocured structures SANDWICH AND...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... composites are shown in Fig. 8.4 . Two types of polymer matrices are shown: thermosets and thermoplastics. A thermoset starts as a low-viscosity resin that reacts and cures during processing, forming an intractable solid, while a thermoplastic is a high-viscosity resin that is processed by heating it above...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
..., and numerous test data for this material are available in the literature. In this chapter, therefore, discussion is limited to those PMCs known as filamentary composites, which are made up of long continuous fibers (generally graphite or boron) embedded in a matrix of epoxy or thermoplastic. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
.... Fig. 29 Relative compression strengths after impact of carbon-reinforced composite systems. PEEK, polyetheretherketone (thermoplastic). Source: Ref 7 A third method of improving damage tolerance is product form selection. Through-the-thickness reinforcement has been shown to improve the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... along the fiber-to-matrix interface, affecting the adhesion. The surface of the fiber can also be attacked. Aramid fibers are unusual in that they can absorb a higher weight percentage of moisture than the matrix. One of the potential advantages of thermoplastic composite materials is that they...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
... their compatibility with specific materials. The chapter then presents general guidelines for selecting lightweight materials, and concludes with a review of lightweight metals, plastics, and composites used in automotive applications. automotive materials lightweight materials materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... strength of film adhesives. The specimen can be round or square, and both metal and composite facesheets can be used. A sandwich panel is fabricated and then tested in tension, pulling the adhesively bonded skins off of the core. Both strength and failure mode are important. Failure should occur either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550001
EISBN: 978-1-62708-307-2
... Abstract Engineers have many materials to choose from when dealing with weight-related design constraints. The list includes aluminum, beryllium, magnesium, and titanium alloys as well as engineering plastics, structural ceramics, and polymer-, metal-, and ceramic-matrix composites. This...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870101
EISBN: 978-1-62708-314-0
... start at an edge or a surface, propagate in a winding path down through the laminate layers, and exit several feet away from where it started. If high processing temperatures are required, for example 500 to 700 °F (260 to 370 °C) for high-temperature polyimides or thermoplastic composites, either...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
... Abstract This chapter provides basic engineering information on aluminum alloys with an emphasis on their use in applications where weight is a significant design factor. It discusses the advantages and limitations of various types of aluminum along with their compositions, designations, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
.... The primary plastics processing methods are: Injection molding Extrusion Thermoforming Blow molding Rotational molding Compression molding/transfer molding Composites processing Casting Other plastics processing methods exist, but most are variants of these processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230441
EISBN: 978-1-62708-298-3
... times. Both are prone to degradation by moisture. This bonding scheme has been used in aerospace structures for metal-to-metal or metal-to-composite bonds. Copolymers of polyethylene with polyvinyl, polyolefins, polyamides, polypropylene, nylon, polyester, and thermoplastic elastomers are used as...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
...-time life; and is nontoxic. Matrices for polymeric composites can be either thermosets or thermoplastics. The most prevalent thermoset resins used for composite matrices are polyesters, vinyl esters, epoxies, bismaleimides, cynate esters, polyimides, and phenolics. A comparison of the major thermoset...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... Structural Steel,” while the heavier structural grades are covered by ASTM A 588, “Standard Specifications for High-Strength Low-Alloy Structural Steel with 50 ksi (345 MPa) Minimum Yield Point to 4 in. (100 mm) Thick.” Chemical composition variations among the four grades of A 588 are listed in Table 2...