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bright-field illumination

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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
.... Electrolytically etched. 250× Fig. 39 Inconel 718 (UNS N07718) heat treated 100 h at 870 °C (1600 °F) to produce needlelike orthorhombic Ni 3 Nb. (a) Bright-field illumination. (b) Differential interference-contrast illumination. Particles in relief in (b) are niobium carbides; particles flush...
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
... microscope in bright-field illumination. Courtesy of the Carl Zeiss Co. Fig. 12 As-cast pure orthorhombic bismuth in the as-polished condition viewed using polarized light shows mechanical twins. Magnification: 50× Fig. 13 Microstructure of Cd-20%Bi in the as-cast condition, unetched...
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
... bonding with epoxy. (c) Mold with taped ends for retaining mounting resin and holding samples while curing. (d) Mounted specimens ready to polish. (e) Manual mount after final polish Fig. 3 Bright-field illumination (200×) of a composite specimen after alumina polish. Note the interferometer...
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
... Micrograph of a carbon fiber composite that microcracked during thermal cycling. Bright-field illumination, 65 mm macrophotograph Fig. 3 Micrograph of a composite cross section showing a microcrack that initiated on the surface of the part. Slightly uncrossed polarized light, 10× objective...
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
... performance. 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...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003782
EISBN: 978-1-62708-177-1
... different lighting conditions used for metallurgical examination. Original magnification: 500× Fig. 7 Zircaloy 2 plate, transverse. Attack polished, anodized at 103 V, and viewed with bright-field illumination. This micrograph shows the presence of zirconium carbides, irregular in shape...
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
... the expanded aluminum foil was vaporized. The surface shows only slight damage. Slightly uncrossed polarized light, 10× objective Fig. 8 Macroimage of an area under the lightning strike attachment point showing crushing of a honeycomb cell wall. Bright-field illumination, 65mm macrophotograph...
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
... Fig. 1 Composite cross sections. (a) Sheet molding compound made from carbon-black-filled epoxy resin and chopped glass fiber. Bright-field illumination, 65 mm macrophotograph montage. (b) Quasi-isotropic unidirectional prepreg laminate. Slightly uncrossed polarized light, 5× objective...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009078
EISBN: 978-1-62708-177-1
... Fig. 1 Glass fabric composite that has high void content. Void areas are due to residual solvent from the prepregging process. Bright-field illumination, 10× objective Fig. 2 Laminate made with unidirectional carbon fiber prepreg and woven carbon fabric prepreg plies. Voids are shown...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009083
EISBN: 978-1-62708-177-1
...) Transmitted light, Hoffman modulation contrast. (D) Reflected light, bright-field illumination Fig. 2 Ultrathin section of an area of a honeycomb sandwich composite structure showing the effects of core movement during manufacturing and the resulting deformation and separation of the prepreg plies...
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
... Fig. 1 Micrograph of impact damage of a 32-ply (+45/0/−45/90) 45 , high-temperature thermoplastic-matrix carbon fiber composite. Bright-field illumination, 65 mm macrophotograph Fig. 2 Cross section of an impact-damaged carbon fiber composite that was mounted with Rhodamine-B-dyed...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001237
EISBN: 978-1-62708-170-2
... and (b) mechanochemical polish Fig. 3 (a) Bright-field image of SiSiC. 200×. (b) Dark-field image of SiSiC. 200×. (c) Differential interference contrast illumination image of SiSiC. 200× Fig. 1 Gray-level threshold for a porous steatite ceramic sample Fig. 2 Phase analysis...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009074
EISBN: 978-1-62708-177-1
... on the brittle boron fibers. The cracked fiber is easy to see, and scratches are evident in the micrograph. Bright-field illumination, 25× objective Fig. 3 Effect of a diamond saw cut on a boron fiber composite. Cracking can be seen to extend over 100 μm into these large brittle fibers. Bright-field...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009082
EISBN: 978-1-62708-177-1
... Fig. 1 Schematic of a method used to determine the thickness of an ultrathin section Fig. 5 Micrograph of a cross section of a bamboo fiber composite. Bright-field illumination, 10× objective Fig. 6 Higher-magnification view of the same area as Fig. 5 . Bright-field...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003752
EISBN: 978-1-62708-177-1
... stainless steel (Fe-<0.03%C-<2%Mn-27.5%Cr-4.85%Ni-1.75%Mo-0.25%N) welded with Nitronic 50, etched with Beraha's BI reagent, and viewed with bright-field illumination. Ferrite is colored, and austenite is unaffected. The magnification bar is 200 μm long. Fig. 31 Microstructure of Custom Flo...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003780
EISBN: 978-1-62708-177-1
... in revealing fully martensitic structure by etching and bright-field illumination. Etched using procedure 1 in Table 5 . 200×. Courtesy of M.E. McAllaster Fig. 41 Polarized light micrograph of U-0.75Ti cooled from 800 °C (1470 °F) at >200 °C/s (>360 °F/s) showing acicular martensite...
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 interlayer regions. Bright-field illumination, 10× objective Fig. 9 Higher-magnification views of the composite cross section shown in Fig. 8 . (a) Reflected light, phase contrast, 25× objective. (b) Bright-field illumination, 50× objective Fig. 10 After chemical etching, another phase...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009073
EISBN: 978-1-62708-177-1
... 2000 … 10 … 1000 9 2500 … 8 … 1200 6 Fig. 9 Cross sections of 120-grit silicon carbide paper that was polished using diamond polishing compound. (a) Unused paper. Bright-field illumination, 50× objective. (b) After the preparation of one sample. A more uniform surface can...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... Edge Preservation Grinding Polishing Electrolytic Polishing Field Metallography Examination of Microstructures Fracture Profile Sections Manufacturing Related Failures Service Failures Rolling-Contact Fatigue References References 1. Vander Voort G.F. ( 1986...