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polarized light

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Image
Published: 01 July 2009
Fig. 25.14 Micrographs (unpolarized and polarized light) of S-200 beryllium after being pitted in chloride solutions. Source: Hill et al. 1996 More
Image
Published: 01 October 2012
Fig. 6.14 Polarized light optical microstructures developed in a canned Ti-45Al-2Cr-2Nb billet preheated at the alpha transus temperature and extruded to a 6:1 reduction. (a) Center of extrudate. (b) Outer diameter of extrudate. Source: Ref 6.5 More
Image
Published: 01 December 1984
Figure 1-24 Crossed polarized light was used to reveal the macrostructure of this beryllium weldment. (Courtesy of R. D. Buchheit, Battelle-Columbus Laboratories.) More
Image
Published: 01 December 1984
Figure 4-16 Example of the value of polarized light in the examination of an optically anisotropic material (beryllium) that is difficult to etch (65 ×). (Courtesy of A. E. Calabra.) More
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Published: 01 December 1984
Figure 4-17 Cross-polarized light used to reveal the microstructure of uranium (electropolished with phosphoric acid, alcohol, and ethylene glycol), 75×. (Courtesy of B. C. Leslie, Oak Ridge National Laboratory.) More
Image
Published: 01 December 1984
Figure 4-19 Example of the use of crossed-polarized light on etched low-carbon steel containing lath martensite. Sample etched with 2% nital and viewed with ( a ) bright-field illumination and ( b ) polarized-light illumination, 100×. (Courtesy of A. O. Benscoter, Bethlehem Steel Corp.) More
Image
Published: 01 December 1984
Figure 4-21 Cross-polarized light reveals the fine structure within graphite nodules (320×). More
Image
Published: 01 March 2002
Fig. 5.43 Sketch of a ray diagram for an illumination system for polarized light. The polarizer filter is placed between the second condenser lens and the illuminator, and the analyzer filter is placed above the illuminator. More
Image
Published: 01 July 2009
Fig. 23.5 Light optical photographs of typical weld sections, as imaged by polarized light. (a) Transverse cross section. (b) In-plane cross section. Source: Cotton and Field 1997 More
Image
Published: 01 April 2013
Fig. 7 Basic components of a polarizing light microscope. Source: Ref 1 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
... between amplitude and optical-phase features and how they are revealed using appropriate illumination methods. It compares images obtained using bright field and dark field illumination, polarized and cross-polarized light, and interference-contrast techniques. It also discusses the use of photometers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
... in the material after testing. Slightly uncrossed polarized light, 25× objective Fig. 5.18 Micrographs of a composite cross section showing the differences in contrast methods. The composite morphology and microcracks appear significantly different using these epi-illumination modes. One transmitted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030159
EISBN: 978-1-62708-349-2
... Fig. 9.1 Microcracks in a carbon fiber composite laminate due to thermal cycling. (a) Resin-rich region in the composite. Slightly uncrossed polarized light, 10× objective. (b) Resin-rich region containing a large void. Slightly uncrossed polarized light, 10× objective Fig. 9.2...
Image
Published: 01 November 2010
Fig. 11.10 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 More
Image
Published: 01 November 2010
plane. Transmitted polarized light, 10× objective. (b) Sectioned through the thickness and parallel to the fiber plane. Transmitted polarized light, 40× objective. (c) Close-up view of a spherulite that nucleated at the tip of a carbon fiber. Transmitted polarized light, 100× objective More
Image
Published: 01 November 2010
. Transmitted polarized light, full wave plate, 20× objective. (b) Hackle formation in the interlayer region. Transmitted polarized light, full wave plate, 40× objective. (c) Fracture in the interlayer area. Transmitted polarized light, full wave plate, 40× objective More
Image
Published: 01 November 2010
Fig. 1.4 Crystallinity in thermoplastic-matrix carbon fiber composites. (a) Crystalline region in the center area of a woven carbon fabric composite cross section. Ultrathin section, transmitted polarized light with a full wave plate (540 nm), 20× objective. (b) Fiber-induced spherulite growth More
Image
Published: 01 December 2016
Fig. 4.3 Microstructure of the AlSi12CuNiMg alloy. (a) Bright-field image. (b) Polarized light contrast, first set polarizer vs. analyzer. (c) Polarized light contrast, second set polarizer vs. analyzer. LM, polished cross section More
Image
Published: 01 November 2010
Fig. 15.13 Lightning strike damage in a carbon fiber composite laminate having metal foil on the surface for protection. (a) Slightly uncrossed polarized light, 4× objective. (b) Transmitted light (ultrathin section), circular polarized light, 4× objective. The impregnation outline More
Image
Published: 01 November 2010
× 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