Moderne Methoden der Rasterelektronenmikroskopie

Weidner, Anja; Biermann, Horst

doi:10.1002/9783527670673.ch7

Cited by 2 publications

(2 citation statements)

References 61 publications

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“…Overall, these results indicate the impact of incident beam diffraction effects, which also explain the extremely angular sensitivity of FSD images. The same channeling‐in effects are also responsible for the recent renaissance of electron channeling contrast imaging (ECCI) .…”

Section: Imaging By Using the Ebsd Signalmentioning

confidence: 99%

Electron backscatter diffraction beyond the mainstream

Nolze

Hielscher

Winkelmann

2016

Crystal Research and Technology

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We present special applications of electron backscatter diffraction (EBSD) which aim to overcome some of the limitations of this technique as it is currently applied in the scanning electron microscope. We stress that the raw EBSD signal carries additional information which is useful beyond the conventional orientation determination. The background signal underlying the backscattered Kikuchi diffraction (BKD) patterns reflects the chemical composition and surface topography but also contains channeling-in information which is used for qualitative real-time orientation imaging using various backscattered electron signals. A significantly improved orientation precision can be achieved when dynamically simulated pattern are matched to the experimental BKD patterns. The breaking of Friedel's rule makes it possible to obtain orientation mappings with respect to the point-group symmetries. Finally, we discuss the determination of lattice parameters from individual BKD patterns. Subgrain structure in a single quartz grain. The increased noise level in the left map reflects the lower precision of a standard orientation determination using band detection by the Hough transform. The right map results from the same experimental raw data after orientation refinement using a pattern matching approach. The colors correspond an adapted inverse pole figure color key with a maximum angular deviation of about 2 • from the mean orientation.

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Section: Imaging By Using the Ebsd Signalmentioning

confidence: 99%

Electron backscatter diffraction beyond the mainstream

Nolze

Hielscher

Winkelmann

2016

Crystal Research and Technology

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“…Fig. 2: Current density vs. electrical potential curves for CFRP and aluminum againstSilver/Silverchloride according to Biermann et al[13] …”

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confidence: 99%

Optimization of Corrosive Properties of Carbon Fiber Reinforced Aluminum Laminates due to Integration of an Elastomer Interlayer

Stoll

Stemmer

Ilinzeer

et al. 2017

KEM

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Fiber-Metal-Laminates (FML) show superior dynamic mechanical properties combined with low densities. The mechanical performance of for example commercially available fiber-metal-laminate, glass laminate aluminum reinforced epoxy, can be improved by the substitution of glass fibers with carbon fibers. However, carbon fiber reinforced aluminum laminate introduces a mismatch of coefficients of thermal expansion and the possibility of galvanic corrosion. The fiber-metal-laminate is altered by the integration of an elastomer interlayer which is desired to solve both problems. The high electrical resistance is supposed to inhibit the corrosion. This study focuses on the effect of galvanic corrosion caused by neutral salt spray tests on fiber-metal-laminates, the influence of an elastomer interlayer and the quantification of the residual mechanical properties. The galvanic corrosion affects the interfaces of the laminates, therefore in this study edge shear tests and flexural tests were carried out to quantify the residual properties and thereby the corrosive damage. The elastomer interlayer was found to inhibit galvanic corrosion in the salt spray chamber, whereas the fiber-metal-laminate without interlayer showed corrosive damage. Furthermore, the mechanical properties of the fiber-metal-laminate with elastomer interlayer remained constant after the corrosion tests, whilst the fiber-metal-laminate’s properties decreased with corrosive loads.

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Moderne Methoden der Rasterelektronenmikroskopie

Cited by 2 publications

References 61 publications

Electron backscatter diffraction beyond the mainstream

Electron backscatter diffraction beyond the mainstream

Optimization of Corrosive Properties of Carbon Fiber Reinforced Aluminum Laminates due to Integration of an Elastomer Interlayer

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