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epi-fluorescence

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003464
EISBN: 978-1-62708-195-5
... to view a specimen. These consist of epi-bright-field illumination, epi-dark-field illumination, epi-polarized light, and epi-fluorescence. The article also provides information on transmitted light microscopy. References References 1. Mallick P.K. , Fiber-Reinforced Composites, Materials...
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
... after the application of a fluorescing dye (Magnaflux Zylgo, Magnaflux Corp.) and epi-fluorescence. (a) Bright-field illumination, 10× objective, with an inset showing the crack using epi-fluorescence. (b) Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 12 Intraply microcracks...
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
... epoxy casting resin. The use of epi-bright-field illumination does not allow the dye to fluoresce, and therefore, the cracks are hard to distinguish. Bright-field montage, 5× objective Fig. 4 Impact damage of a carbon fiber composite material that has a toughened matrix. (a) Montage...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009085
EISBN: 978-1-62708-177-1
... to section plane A in Fig. 1 . The micrographs are taken away from the main damage area to show the effects of interply arcing. A Kevlar stitch is shown between the carbon fibers. (a) Slightly uncrossed polarized light, 25× objective. (b) Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 4...
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
... from relief on the specimen surfaces. Epi-fluorescence microscopy uses an ultraviolet light source (mercury or xenon) for illumination. The light is transmitted though an excitation filter that blocks all but a narrow bandwidth of the light spectrum. The narrow bandwidth of light strikes the sample...
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
... and not the thermoset matrix. Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 7 Cross section of a preformed-particle-modified composite showing no distinct interlayer region. Due to the prepreg processing parameters, a particle-rich interlayer region was not developed. The hollow preformed...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009072
EISBN: 978-1-62708-177-1
... to remove additional dye from the surface. Epi-fluorescence, 390–440 nm excitation, 50× objective Fig. 15 (a) Automated polishing head containing circular sample openings. Notice the smaller sample length in the circular mounts. Also, circular cavities cannot accommodate unmounted composite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009084
EISBN: 978-1-62708-177-1
... of a woven carbon fabric composite after 10 years of sunlight exposure. Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 5 Degradation of a composite surface after exposure to atomic oxygen. (a) Bright-field illumination, 25× objective. (b) Transmitted light, differential interference...
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
... contrast, 40× objective Fig. 9 Thermoplastic stitch in carbon fiber composite material. Note the microcracks in the of the stitch. Epi-fluorescence, 390–440 nm excitation, 25× objective Fig. 10 Multiphase thermosetting-matrix composites. (a) Carbon fiber composite cross section. Etched...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.9781627082136
EISBN: 978-1-62708-213-6
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.9781627081627
EISBN: 978-1-62708-162-7