Results 261 to 270 of about 70,763 (310)
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Chemical Etches and Etch Pit Patterns on PbS Crystals
The Journal of Chemical Physics, 1957Chemical etches have been found which polish or remove thick surface layers from PbS crystals. One of these etches results in the formation of etch pits. The dissolving action of this etch on PbS, PbSe, and PbTe and the etch pit patterns formed by it on natural and synthetic PbS crystals are discussed.
R. F. Brebrick, W. W. Scanlon
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Chemical etching of amphiboles and pyroxenes
Physics and Chemistry of Minerals, 1985Chemical etching of defect structures in pyroxenes and amphiboles has been investigated. Many features, such as very thin (∼1 micrometer) exsolution lamellae not observed by transmission optical microscopy of thin sections, have been observed in reflected light after chemical etching of cleaved or polished crystal surfaces.
M. W. Wegner, J. M. Christie
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Numerical simulation of wet-chemical etching
2008The concentration of dissolved material in an etch-hole is computed in order to construct a numerical simulation of wet-chemical etching. Using a number of assumptions an approximate convection-diffusion equation is formulated. In this way, analytical descriptions for the concentration in different parts of the domain are obtained.
Driesen, Cornelus Hendricus +3 more
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Correlation between the Grain Orientation Dependence of Color Etching and Chemical Etching
Microscopy and Microanalysis, 2012AbstractA gray cast iron specimen was investigated by color and chemical etching with optical and atomic force microscopy, and the effect of grain orientation on the effectiveness of etching was examined. It was proven that the grain orientation dependence of chemical and color etching is just the opposite, and that the specimen surface after color ...
Attila, Bonyár, Peter J, Szabó
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Laser - Assisted Chemical Etching
SPIE Proceedings, 1984Laser-induced or -enhanced chemical etching of solid surfaces has provided an important new tool in recent years for materials processing. Studies have been reported on a wide range of substrates, including semiconductors, metals, ceramics, glasses and thin organic films. In this paper the current status of the field is reviewed.
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Principles of Chemical Etching — The Art and Science of Etching Crystals
1982The rate of reaction of a solution with a solid surface can depend distinctly on the crystallographic orientation of the reacting surfaces. This rate dependence is the basis of “etching”, which is then understood as the intentional utilization of specific chemical attack in order to reveal crystal symmetries and lattice defects.
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Structuring of Si into Multiple Scales by Metal‐Assisted Chemical Etching
Advanced Materials, 2021Dahl-Young Khang
exaly