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thermosetting resins

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... Abstract This article focuses on characterization techniques used for analyzing the physical behavior and chemical composition of thermoset resins, namely chromatography and infrared spectroscopy. The main purpose is to give sufficient detail to permit the reader understand a particular test...
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
.... The chapter also includes a section on the uses of thermoplastic and thermosetting resins and provides information on fabrication processes and fastening and joining methods. engineering plastics joining thermal properties AN ENGINEERING PLASTIC can be defined as a synthetic polymer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... determination of service temperature of a material. Representative examples of different types of engineering thermoplastics are discussed in terms of structure and thermal properties. The article also discusses the thermal and related properties of thermoset resin systems. engineering plastics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
...-induced fatigue failure in composites. The effect of moisture on the mechanical properties of thermoset resins and thermoplastics are also discussed. moisture-induced damage mechanical properties thermoset resins thermoplastics composites ONE ASPECT of plastics corrosion resistance is the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... when discussing the thermomechanical properties of both thermoplastic and thermosetting resin systems. Polymers are viscoelastic; that is, they respond to stress as if they were a combination of elastic solids and viscous fluids, but not always in a stable 50-50 proportion. The balance of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... prepreg lay-up pultrusion resin film infusion resin transfer molding thermoset composites vacuum bagging wet lay-up THE MAJOR THERMOSET composite fabrication processes for continuous-fiber composites, including lay-up, vacuum bagging, and curing are covered in this chapter. Three lay-up...
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
... Abstract This chapter discusses the use of thermoset and thermoplastic resins in polymer matrix composites. It begins by explaining how the two classes of polymer differ and how it impacts their use as matrix materials. It then goes on to describe the characteristics of polyester, vinyl ester...
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 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... model, (2) all assumptions that were made in the model formulation, (3) the boundary conditions for the model, and (4) the solution method used for the model. Fig. 7.1 Thermoset cure model framework Commercial resin systems are complex, consisting of several different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... Engineering Plastics, Engineered Materials Handbook , Volume 2, ASM International, 1988, p 48–62. As noted, engineering thermosets are polymers with three-dimensional networks of cross-linking bonds between chains. They are known as network polymers, or cross-linked thermosets. Thermoset resins may be...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
... of butadiene rubber. It is used for keyboards. Because of its toughness and impact resistance, it is used in canoe hulls. An epoxy is a thermosetting resin that polymerizes when mixed with a catalyst or hardener. Most common resins are produced from a reaction between epichlorohydrin and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... additional crosslinking until the resin is fully cured. Since cure is a thermally driven event requiring chemical reactions, thermosets are characterized as having rather long processing times. In contrast, thermoplastics are not chemically crosslinked with heat and therefore do not require long cure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
..., where they are subjected to sliding. Brake pads are one area where thermosets such as phenolic and epoxy resins have been used and studied extensively. These polymers do not soften when the temperature rises at the interface, and thus, they prevent the component from yielding or failing in a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780417
EISBN: 978-1-62708-281-5
... cause of component failures. Material systems examined include epoxy resins with different fibers, such as carbon/epoxy (AS4/3501-6), fiberglass/epoxy (Hexcel E-glass/F155) and aramid/epoxy (Kevlar 49/3501-6), as well as fibers with different thermosetting resins, including carbon/bismaleimide (AS4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... phenolic resin should not be used as a mounting medium because the hot etchant will attack and swell the mount to the point where its surface will be above the polished steel surface. In this case, the metallographer may choose a thermosetting epoxy mounting material that is resistant to most acids and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... strike on wing. Source: Ref 7 When carbon fiber thermoset composites experience a lightning strike, the temperature rises instantaneously and the resin matrix begins to break down, typically as a result of burning or pyrolysis. If the gases that the burning resins give off are trapped in the...
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 December 2003
DOI: 10.31399/asm.tb.cfap.t69780064
EISBN: 978-1-62708-281-5
... non-Newtonian manner and tend to line up in the direction of flow. Molecules in thermoplastic polymers are much longer than those in the unreacted liquid resin precursors to thermosets. The orientation effect in thermoplastics melt flow, such as occurs in injection molding, is much greater than that...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
.... Some of these processes are capable of producing over a million parts per year, while others are more amenable to low production rates. Some are restricted to thermoset resins, while others can accommodate both thermoset and thermoplastic resins. Although many different types of reinforcement can be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
..., thermoplastic composites can be joined by melt fusion, dual resin bonding, resistance welding, ultrasonic welding, or induction welding, as well as by conventional adhesive bonding and mechanical fastening. In general, structural bonds using thermoset such as epoxy adhesives produce...