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bright-field illumination

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Published: 31 August 2017
Fig. 55 Graphite nodule examined in bright-field illumination. As-polished. Original magnification: 1000× More
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Published: 01 January 2001
Fig. 3 Bright-field illumination (200×) of a composite specimen after alumina polish. Note the interferometer bands on the longitudinal fibers. This is one way to check the flatness of the polish. More
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Published: 01 January 2001
Fig. 13 Bright-field illumination of a unidirectional carbon fiber composite specimen showing the ply angles. 80 to 200× More
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Published: 01 January 2001
Fig. 17 A composite specimen containing a crack. (a) Bright-field illumination. (b) Same location with the use of fluorescence 390 to 440 nm and Zyglo Penetrant (Magnaflux, Glenview, IL). Both 200× More
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Published: 01 December 2004
Fig. 29 Comparison of bright-field illumination (a), cross-polarized light (b), and differential interference contrast illumination (c and d) used to examine the basketweave pattern of an α-β Ti-6Al-4V alloy. Figures (c) and (d) illustrate the observation of reversed topography by adjusting More
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Published: 01 December 2004
Fig. 31 Polycrystalline zirconium. (a) Bright-field illumination. (b) Crossed polarized light illumination. Chemically polished in 45 mL HNO 3 , 45 mL H 2 O 2 , and 10 mL HF. 100× More
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Published: 01 December 2004
Fig. 32 Graphite nodules in cast iron. (a) Bright-field illumination. (b) Differential interference-contrast illumination. (c) Crossed polarized light illumination. 2% nital. 400× More
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Published: 01 December 2004
Fig. 51 Graphite nodule examined in bright-field illumination. As-polished. 1000× More
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Published: 01 December 2004
Fig. 21 Comparison of (a) conventional etching and bright-field illumination with (b) electrolytic etching and polarized light illumination. Specimen is thixocast (semisolid process) AZ91. Electrolytic etching reveals individual grains by the coloration while retaining good contrast More
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Published: 01 December 2004
Fig. 17 Bright-field illumination (25× objective) of a composite specimen after final alumina polish. Note the interferometer bands on the longitudinal fibers. This is one way to check the uniformity of the polishing plane. More
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Published: 01 December 2004
Fig. 5 Polished boron fiber composite cross section. Bright-field illumination, 10× objective More
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Published: 01 December 2004
Fig. 1 Carbon fiber composite/honeycomb chamfer area. Bright-field illumination, 5× objective. 4 × 5 in. 14-picture (Polaroid) micrograph montage More
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Published: 01 December 2004
Fig. 5 Bright-field illumination of a unidirectional carbon fiber composite showing the ply angles. Bright-field illumination, 10× objective (insets 25× objective) More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003754
EISBN: 978-1-62708-177-1
... discusses the examination of specimen surfaces using polarized light, phase contrast, oblique illumination, dark-field illumination, bright-field illumination, interference-contrast illumination, and phase contrast illumination. Special techniques and devices that may be used with the optical microscope...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006684
EISBN: 978-1-62708-213-6
... are markedly inferior to what can be achieved using the light microscope, as shown in this article. For the study of the microstructure of metals and alloys, light microscopy is employed in the reflected-light mode using either bright-field illumination, dark-field illumination, polarized light illumination...
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
... grinding, and polishing. The preparation techniques of ultrathin sections are also summarized. The article explains the illumination methods used by reflected light microscopy to view a specimen. These consist of epi-bright-field illumination, epi-dark-field illumination, epi-polarized light, and epi...
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
... microscopy. bright-field illumination composite materials contrast microscopy dark-field illumination dyes etchants fluorescence microscopy interference microscopy macrophotography microscope alignment optical microscopy polarized-light microscopy reflected-light microscopy sample...
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
... Abstract This article describes the microcrack analysis of composite materials using bright-field illumination, polarized light, dyes, dark-field illumination, and epi-fluorescence. bright-field illumination composite materials dark-field illumination dyes epi-fluorescence microcrack...
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Published: 01 January 1987
Fig. 17 Comparison of bright-field (a), DIC (b), and dark-field (c), illumination for viewing a partially fractured (by impact) specimen of AISI type 312 weld metal containing substantial σ phase. All 240× More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009077
EISBN: 978-1-62708-177-1
.... This article describes the optical microscopy and bright-field illumination techniques involved in analyzing ply terminations, prepreg plies, splices, and fiber orientation to provide the insight necessary for optimizing composite structure and performance. bright-field illumination composite materials...