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dark-field illumination

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Published: 01 December 2004
Fig. 47 Same as in Fig. 46 but examined in dark-field illumination. EC, eutectic carbides; SC, secondary carbides; and M, martensite. 1000× More
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Published: 01 December 2004
Fig. 50 Same as in Fig. 49 but examined in dark-field illumination. EC, eutectic carbides; SC, secondary carbides. 1000× More
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Published: 01 December 2004
Fig. 18 Principles of dark-field illumination. Basic components of an opaque-stop microscope More
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Published: 01 December 2004
Fig. 15 Unprepared cross sections of structural foams. (a) Dark-field illumination, 10× objective. (b) Bright-field illumination, 65 mm (2.559 in.) macrophotograph More
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Published: 31 August 2017
Fig. 51 Same as in Fig. 50 but examined in dark-field illumination. M, martensite; EC, eutectic carbides; and SC, secondary carbides. Original magnification: 1000× More
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Published: 31 August 2017
Fig. 54 Same as in Fig. 53 but examined in dark-field illumination. EC, eutectic carbides; SC, secondary carbides. Original magnification: 1000× 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
.... The article 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...
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
... bright-field illumination, dark-field illumination, polarized light illumination, or differential interference contract, generally by the Nomarski technique. This article concentrates on how to reveal microstructure properly to enable the proper identification of the phases and constituents...
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
... include bright-field illumination, dark-field illumination, polarized-light microscopy, interference and contrast microscopy, and fluorescence microscopy. The article also provides a discussion of sample preparation materials such as dyes, etchants, and stains for the analysis of composite materials using...
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
..., rough 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...
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 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...
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Published: 01 December 2004
to the composite surface and wiped off with an acetone-dampened cloth. The dye wicked through the composite from the surface, leaving the dye in the microcracks. Dark-field illumination, 5× objective. (b) Top surface of the aramid fiber composite facesheet after failure. DYKEM Steel Red dye was applied More
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Published: 01 December 2004
Fig. 21 Cu-11.8Al (aluminum bronze), heat treated, with martensite in the microstructure. (a) Bright-field illumination. (b) Dark-field illumination. (c) Differential interference-contrast illumination. (d) Crossed polarized light illumination. As-polished. 200× More
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Published: 01 December 2004
Fig. 36 Solution-annealed and aged Waspaloy (UNS N07001). (a) Bright-field illumination. (b) Dark-field illumination. (c) Differential interference-contrast illumination. Glyceregia. 200× More
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Published: 01 December 2004
Fig. 56 Microstructure of a defect in an enamel coating on a low-carbon sheet. (a) Bright-field illumination. (b) Dark-field illumination. 2% nital etch. 100× More
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Published: 01 December 2004
Fig. 25 Lighting effects to enhance contrast between phase constituents in an unetched specimen of Al-Si-Cu-Ni alloy. (a) Bright-field illumination with silicon (A, dark gray), α-Al(FeMn)Si (B, light gray), and Al 2 Cu (C, beige). (b) Dark-field illumination with phase boundaries revealed. (c More
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Published: 01 December 2004
Fig. 19 Austenitic stainless steel (Fe-20Cr-33Ni-2.5Mo-3.5Cu and Nb + Ta), solution annealed. (a) Bright-field illumination. (b) Dark-field illumination. (c) Differential interference-contrast illumination. 15 mL HCl, 10 mL acetic acid, 10 mL HNO 3 , and 2 drops glycerol. 400× More
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Published: 01 December 2004
Fig. 20 Cu-8.9P sand cast alloy showing the α + Cu 3 P eutectic. (a) Bright-field illumination. (b) Dark-field illumination. (c) Differential interference-contrast illumination. Swab etched using an aqueous solution of 3% (NH 4 ) 2 S 2 O 8 and 1% NH 4 OH. 1000× More
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Published: 01 December 2004
× objective. (b) Dark-field illumination, 25× objective. (c) Polarized light, 25× objective. (d) Slightly uncrossed polarized light, 25× objective. (e) Epi-fluorescence, 390–440 nm, 25× objective. (f) Transmitted light, Hoffman modulation contrast, 20× objective More
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Published: 01 December 2004
Fig. 26 Lighting effects to reveal contrast of crystal orientation in an etched aluminum-copper specimen. (a) Bright-field illumination with α-Al (light gray) and Al 2 Cu (gray). (b) Dark-field illumination with phase boundaries revealed. (c) Cross-pole mode of observation revealing Al 2 Cu More