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epoxy adhesives

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
... Abstract This chapter explains how polymeric adhesives are applied to composite as well as metal parts, forming bonded structures. It describes surface preparation practices and techniques, epoxy selection and use, and bonding procedures. adhesive bonding epoxy adhesives surface...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290243
EISBN: 978-1-62708-306-5
... ADHESIVE BONDING is a widely used industrial joining process in which a polymeric material (the adhesive) is used to join two separate pieces (the adherends or substrates). This joining technique involves glues, epoxies, or various plastic agents that bond by evaporation of a solvent or by cure with heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... in CTE between aluminum and carbon/epoxy, total destruction of bonds between carbon/epoxy and aluminum have been observed on cool down from elevated temperature or on exposure to freezing temperatures. The selection of an adhesive is often determined by the maximum service temperature. For...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... ductile epoxy-based film adhesives used today for service temperatures up to 250 °F (120 °C) are toughened by the addition of rubber, nylon, or vinyl. Because the addition of these tougheners lowers the glass transition temperature T g , epoxy adhesives intended for higher usage temperatures are...
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
... since vinyl esters have fewer ester groups than polyesters, they are more resistant to degradation from water and moisture. Epoxies are the most common matrix material for high-performance composites and adhesives. They have an excellent combination of strength, adhesion, low shrinkage, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110144
EISBN: 978-1-62708-247-1
... Abstract The orientation of the devices within a package determine the best chosen approach for access to a select component embedded in epoxy both in package or System in Package and multi-chip module (MCM). This article assists the analyst in making decisions on frontside access using flat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses composite testing procedures, including tension, compression, shear, flexure, and fracture toughness testing as well as adhesive shear, peel, and honeycomb flatwise tension testing. It also discusses specimen preparation, environmental conditioning, and data...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780131
EISBN: 978-1-62708-268-6
... previously for gaskets, corrosion can create a leak path. The failure analysis team should look for corrosion in the O-ring groove and on the mating surfaces. Bond joints can be formed from epoxies, adhesives, or other sealants (such as room-temperature vulcanizing sealant). Potential epoxy-, adhesive...
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
... repairs can be found in Ref 4 . Fill repairs are nonstructural and therefore should be confined to minor damage. Two-part high-viscosity thixotropic epoxy adhesives are normally used for these types of repairs. The surface to be repaired should be dry and free of any contamination that...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... materials. The interwoven wires in carbon/epoxy have the least impact, while the weights of other materials are dependant on thicknesses and adhesion methods. Wire fabric alone weighs about 2 lb/100 sq ft (0.1 kg/m 2 ) and, when cocured, the total weight is about 3 lb/100 sq ft (0.15 kg/m 2 ). Secondary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
.... Foams are one-part epoxy pastes that expand during heating. Foaming film adhesives are thick, unsupported films at 0.04 to 0.06 in. (1 to 1.5 mm) that expand 1.5 to 3 times their original thickness when cured. Although some of these products can damage the core by overexpanding if too much material is...
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 offer the opportunity to significantly reduce the amount of assembly labor and fasteners. Detail parts can be combined into a single cured assembly, either during initial cure or by secondary adhesive bonding. Disadvantages of composites include high raw material costs and high fabrication and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780193
EISBN: 978-1-62708-268-6
..., dimensional inspection, storage history review Ceramic component compressive, tensile, brittle, fatigue failure Surface fractography, microscopic examination, hardness testing, materials analysis, stress analysis, dimensional inspection Adhesive, epoxy, or composite disbond or delamination Microscopic...
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...
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
.... (d) Fully cured and cross-linked. Source: Ref 7.1 Thermoset polymers cure by either addition or condensation reactions. A comparison of these two cure mechanisms is shown in Fig. 7.3 . In the addition reaction shown for an epoxy reacting with an amine curing agent, the epoxy ring opens and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... each of these categories. Both metallic and composite materials are widely used in a variety of applications, and these are frequently joined with epoxy or other adhesives. The term composite may refer to metallic items bonded together with adhesives, or it may refer to resin-based...
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
... the introduction of carbon/epoxy and carbon/bismaleimide composite tools in the mid-1980s. Finally, in the early 1990s, a series of low-expansion iron-nickel alloys was introduced under the trade names Invar and Nilo. Table 4.1 Properties of typical tooling materials Material Max service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... higher than 200 ° F (90 °C). Like aramid and S-2 glass, UHMWPE has excellent impact resistance; however, like aramid, it often exhibits poor adhesion to its matrix. Carbon fiber offers the best combination of properties but is also more expensive than either glass or aramid. Carbon fiber has a low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... during curing, they normally result in either the need for a repair or scrapping of the part if the foreign object is large enough or located in a highly stressed area. The cure process can also result in defects, the most serious being porosity and voids. If an adhesive bonding operation is involved...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... bare or painted corrosion resistance, to improve the adhesion of paint or other organic finishes, and to provide the metallic surface with a decorative finish. Chromating processes are used to finish aluminum, zinc, steel, magnesium, cadmium, copper, tin, nickel, silver, and other substrates. Chromate...