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fiber-matrix adhesion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780276
EISBN: 978-1-62708-281-5
... delamination and fiber fibrillation; 5, fiber cracking; 6, pulverized fiber wear debris; 7, deterioration in fiber-matrix adhesion, fiber pulverization, pullout, and peeling off followed by removal; 8, inhibition to matrix cracking; and 9, layer of back-transferred film or wear debris. Source: Ref 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... either during initial cure or by secondary adhesive bonding. Temperature has an effect on composite mechanical properties. Typically, as the temperature increases, the matrix-dominated mechanical properties decrease. Fiber-dominated properties are somewhat affected by cold temperatures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... analysis techniques. For example, a cured sample is first weighed and the matrix is then dissolved in acid. The remaining fibers are dried and weighed. Using these values, the weight percents of the fibers and matrix can be calculated. Using the densities of the fibers (ρ f ) and the matrix (ρ m...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
.... Moisture can migrate 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...
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
... Esters Similar to polyesters, but are tougher and have better moisture resistance. Epoxies High-performance matrix systems for primary continuous-fiber composites. Can be used at temperatures up to 250–275 °F. Give better high-temperature performance than polyesters and vinyl esters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... modulus (if carbon is selected) Cost stiffness, weight, brittleness Lowest-modulus carbon Highest-modulus carbon Fiber form (continuous vs. discontinuous) Cost, strength, stiffness, weight, fiber volume, design complexity Random/discontinuous Oriented and continuous Matrix Cost, service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... (96%Al 2 O 3 –4%SiO 2 ) (b) >98% SiC (c) Transverse rupture strength of bulk material. Source: Ref 2 Properties of continuous-fiber aluminum matrix composites Table 20.2 Properties of continuous-fiber aluminum matrix composites Property B/6061 Al SCS-2/6061 Al (a) P100...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... to pass load from one fiber ply to the next. Because the matrix shear stiffness is low, the composite plies deform unequally in tension. Failure tends to initiate in the composite ply next to the adhesive near the beginning of the joint or in the adhesive in the same neighborhood. The highest failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... the design of the joints, resulting in lower overall structural efficiency and possibly producing a structure that is more difficult to repair. Two primary methods of joining are used for polymer matrix composites: mechanical fastening and adhesive bonding. Since fastener holes cut through the fibers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... and stiffness, among other properties, in preferred directions and locations. This chapter discusses the processes and procedures used in the production of fiber-reinforced aluminum and titanium metal-matrix composites. It explains how the length and orientation of reinforcing fibers affect the properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... fiber-to-matrix bond formed during the hot melt impregnation process. Several methods are employed to consolidate thermoplastic composites. Flat sheet stock can be preconsolidated for subsequent forming in a platen press. Two press processes are shown in Fig. 6.2 . In the platen press method...
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
... the reinforcing fibers or forming subsurface cracks in the resin matrix; (3) all residue should be removed from the abraded surface using a dry process in this case, no solvent; and (4) the prepared surface should be bonded as soon as possible after preparation. Although seemingly adequate bond strength can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
..., compositions, and performance-cost tradeoffs of common MMCs, including aluminum-matrix composites, titanium-matrix composites, and fiber-metal laminates. It also explains how fiber-reinforced composites and laminates are made, describing both continuous and discontinuous fiber matrix production processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... toughness, and outstanding ballistic and impact resistance. However, due to the lack of adhesion to the matrix, they exhibit relatively poor transverse tension, longitudinal compression, and interlaminar shear strengths. Like carbon and graphite, aramid fibers exhibit a negative coefficient of thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
...Effect of fiber and matrix on mechanical properties Table 1.1 Effect of fiber and matrix on mechanical properties Mechanical property Dominating composite constituent Fiber Matrix Unidirectional 0° tension ✓ … 0° compression ✓ ✓ Shear … ✓ 90° tension...
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
... used in engineering plastics. The type of glass and the surface treatment on the fibers, which enhances adhesion to the matrix, are crucial to property improvement. Generally, the introduction of glass fibers increases tensile strength, modulus, and impact strength. The effect of glass fillers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
.../app.1977.070210712 26. Hendrickson J.G. , The Analysis of Adhesive Resins in Aerospace Applications , Proc. Nat. SAMPE Conf. , 1969 , p 541 – 549 27. Kalnin I.L. , Meisters H. , and Notarius H.J. , “ Characterization of Epoxy Resin Advancement in Fiber Reinforced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780417
EISBN: 978-1-62708-281-5
.... 1000× Fig. 2 Mode I tension interlaminar fractures that propagated at various angles to the direction of fiber reinforcement. (a) Fracture between adjacent 0° and 90° plies. (b) Fracture between 45° and –45° plies. 2000×. Source: Ref 1 Fig. 3 Matrix feathering produced under...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860115
EISBN: 978-1-62708-338-6
...Comparison of motor case materials Table 9.1 Comparison of motor case materials D6AC steel Maraging steel Titanium (6%Al-4%V) Glass-filament composite (S-2) (a) Organic-filament composite (Kevlar) (b) Intermediate-modulus polyacrylontrile carbon fiber Tensile strength, ksi...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... fasteners are covered in Chapter 17, “Structural Joints—Bolted and Bonded.” Composites are more prone to damage during trimming and machining than conventional metals, as they contain strong and very abrasive fibers held together by a relatively weak, brittle matrix. During machining, they are prone...