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interlayer toughening

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Published: 01 December 2004
Fig. 12 Ultrathin section of a particle-modified interlayer-toughened composite material. Transmitted-light Hoffman modulation contrast, 20× objective More
Image
Published: 01 December 2004
Fig. 8 Cross section of a polished interlayer-toughened composite that was lightly etched showing height differences on the sample surface using reflected-light differential interference contrast. 10× objective More
Image
Published: 01 December 2004
Fig. 9 Cross sections of an interlayer-toughened composite material. (a) Bright-field illumination, 25× objective. (b) Same view but after the addition of a solvent-based laser dye (Magnaflux Zyglo, Magnaflux Corp.) to the sample surface. The laser dye is preferentially absorbed More
Image
Published: 01 December 2004
Fig. 15 Microcracks in the intraply region of an interlayer-toughened carbon fiber composite material that terminated at the interlayer region. Epi-fluorescence, 390–440 nm excitation, 25× objective More
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Published: 01 December 2004
Fig. 8 Large view of a cross section of an interlayer-toughened composite showing multiple plies and interlayer regions. Bright-field illumination, 10× objective More
Image
Published: 01 December 2004
Fig. 12 Fracture morphology in a particle interlayer-toughened thermoset-matrix composite. (a) Strain birefringence in the interlayer particles. Transmitted polarized light, 20× objective. (b) Some of the particles are found to bridge the formed cracks, and some particles are torn. Transmitted More
Image
Published: 01 December 2004
Fig. 13 Fiber-matrix interfacial failure in an interlayer-toughened thermoset-matrix composite. Transmitted polarized light, full wave plate, 20× objective More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009071
EISBN: 978-1-62708-177-1
... transfer molding, vacuum-assisted resin transfer molding, and resin film infusion. It explains the composite- and matrix-toughening methods for fiber-reinforced composites, such as dispersed-phase toughening and interlayer toughening. The article concludes with information on optical microscopy, which...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
... interlayer-toughened composite failure mechanisms. aircraft industry brittle-matrix composite failures composite design composites c-scan methods dispersed-phase thermoset-matrix composite failures impact parameters impact response impact-damaged composites material characteristics optical...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... impregnation material quality microstructure morphology particle interlayer toughening prepregs reflected-light optical microscopy single-pass impregnation thermoplastic materials thermoset-matrix composites THE PERFORMANCE of fiber-reinforced composite systems has evolved in response to new...
Image
Published: 01 December 2004
Fig. 9 Interlayer strain and fracture after impact of a toughened thermo-setting-matrix composite. Transmitted polarized light, full wave plate, 40× objective More
Image
Published: 01 December 2004
region (i.e., light-gray circles). Slightly uncrossed polarized light, 50× objective. (b) Ultrathin section developed from a particle-modified toughened interlayer composite that was sectioned through the thickness. Transmitted light, Hoffman modulation contrast, 40× objective. (c) Ultrathin section More
Image
Published: 01 December 2004
Fig. 3 Dispersed-phase-toughened carbon fiber composite material that was sectioned at an oblique angle to obtain a larger view of the interlayer region. Large, irregular ases, with some phases spherical and hollow, were found in the interlayer area and extended into the intraply area More
Image
Published: 01 December 2004
Fig. 10 Fracture morphology of a primary-phase-toughened matrix composite after impact. (a) Onset of hackle formation and strain in front of the crack tip. Transmitted polarized light, full wave plate, 40× objective. (b) Hackles in the interlayer region of the composite. Transmitted polarized More
Image
Published: 01 December 2004
Fig. 5 Impact damage of a carbon fiber composite material that has a toughened matrix. (a) Montage of the impact area. Epi-fluorescence, 390–440 nm excitation, 5× objective. (b) Wide crack formation in the 45° plies and mainly cohesive failure in the interlayer. Epi-fluorescence, 390–440 nm More
Image
Published: 01 December 2004
Fig. 4 Dispersed-phase-toughened carbon fiber composite material that was sectioned at an oblique angle to obtain a larger view of the interlayer region. A complex morphology was revealed, which was also present in the intraply area. Ultrathin section. Transmitted light, differential More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009079
EISBN: 978-1-62708-177-1
... the cracked area, it can be seen that many of the carbon fibers were separated from the matrix as a result of the crack propagation. In this material, the microcracks were found to not propagate into the particle-toughened interlayer region of the composite. Fig. 15 Microcracks in the intraply region...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... interlayer-toughened composite that was lightly etched showing height differences on the sample surface using reflected-light differential interference contrast. 10× objective Another technique that is worth mentioning but is rarely used for enhancing the contrast of composite specimens is reflected...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003056
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
... Volume , ASTM , April 1989 , p 251 – 269 15. Kageyama K. , Kimpara I. , Ohsawa I. , Hojo M. , and Kabashima S. , “Mode I and Mode II Delamination Growth of Interlayer Toughened Carbon/Epoxy Composite System,” STP 1230 , Composite Materials: Fatigue and Fracture...