Is there anyone out there who can explain the Beilby Layer to me in scientific terms. I have a chemistry degree and although a lot of my knowledge has seeped away due to none use, I can understand scientific speak. The Beilby flow explanation for polishing was discredited long ago, and no one accepts it today. HOWEVER, it is known that plastic deformation can and does take place during polishing of certain stones with certain oxides, but heat is not involved.

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A Nature Research Journal. IT is now generally accepted that the polish layer on metals is amorphous. The observations which led Beilby to formulate his famous conception of the vitreous nature of this layer were not, however, confined to metals, but had also been made with non-conducting crystals such as quartz, fluorspar, calcite and others. But Hopkins 1 , working in G.

Thomson's laboratory, has shown that the polish layer on Iceland spar cleavage faces is crystalline; and Raether's 2 electron diffraction patterns from polished natural faces of rocksalt, fluorite, calcite and pyrites are also wholly characteristic of crystalline structure. Nevertheless, the directness and simplicity of his experiments, in particular the exposure by etching of scratches eliminated by polishing, seem to speak convincingly in favour of Beilby's views.

Hopkins, Phil Mag. Germer, Phys. Download references. Reprints and Permissions. The Beilby Layer on Non-Metals. Nature , Download citation. Published : 13 December Issue Date : 12 December Science in Context Journal of Applied Chemistry British Journal of Applied Physics Journal of Applied Physics Journal of the Physical Society of Japan By submitting a comment you agree to abide by our Terms and Community Guidelines.

If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate. Advanced search. Skip to main content. Register your interest. Abstract IT is now generally accepted that the polish layer on metals is amorphous.

Access through your institution. Buy or subscribe. Download PDF. References 1 Hopkins, Phil Mag. You can also search for this author in PubMed Google Scholar. Rights and permissions Reprints and Permissions.

Electron-optical examination of finely ground silica J. Gibb , P. Comments By submitting a comment you agree to abide by our Terms and Community Guidelines. Nature menu. Nature Research menu. Search Article search Search. Close banner Close. Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

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The Beilby Layer on Non-Metals



Definition of Beilby layer




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