V. I. Lavrinenko, V. V. Smokvyna, H. D. Ilnytska, V. Yu. Solod
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引用次数: 0
Abstract
This study demonstrates that using AC20 grinding powder selected for uniformity in grain strength and size through adhesive–magnetic sorting in liquid significantly enhances the wear resistance of diamond wheels by up to sixfold. Wheels fabricated with AC32 grains selected from AC20 powder show a threefold increase in wear resistance, while those with AC50 grains achieve a 1.5-fold improvement. In all cases, wheels produced from selected diamond grains exhibit higher wear resistance than those made from the initial, unsorted AC20 powder. The surface roughness parameter (Ra) of workpieces ground with wheels prepared using different adhesive–magnetic sorting options remains essentially unchanged. However, experiments revealed that wheels containing selected AC32 125/100 grains produce polished surfaces with the lowest holding capacity, a factor that must be considered when using such wheels in grinding applications.
期刊介绍：
Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.
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