Application of the dusty plasma method for preparation of diamond ceramics

Екимов, Е. А.; Borovikov, N. F.; Ivanov, Alexander S.; Paĺ, A. F.; Rusinkevich, A. A.; Ryabinkin, A. N.; Serov, A. O.; Starostin, A. N.; Fortov, V. E.; Gromnitskaya, E. L.

doi:10.1016/j.diamond.2013.10.003

Cited by 9 publications

(7 citation statements)

References 16 publications

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“…Cobalt functions as solvent for carbon and as a catalyst for the graphite-diamond conversion, thereby favoring diamond sintering and formation of a rigid diamond framework [3,6,[90][91][92]. However, the difference in the thermal expansion coefficients of the matrix and inclusions leads to cracking of the diamond material and, as a result, rapid wear of instrument.…”

Section: Superhard Materialsmentioning

confidence: 99%

“…A uniform cobalt coating on 3-7-µm diamond particles confined as a fine dispersion in plasma was prepared by magnetron sputtering (Fig. 6) [92]. The cobalt concentration in the diamond powder is 2-3 wt %.…”

Section: Superhard Materialsmentioning

confidence: 99%

“…Finely grained diamond compacts with low cobalt contents were obtained at a pressure of 8 GPa and a temperature of 1700-1800°С. The described treatment sequence allows production of compacts with high ultrasound velocities and elastic moduli [92].…”

Section: Superhard Materialsmentioning

confidence: 99%

“…A process for the production from a diamond powder of a diamond ceramics with a low binder concentration was developed [32,92]. A uniform cobalt coating on 3-7-µm diamond particles confined as a fine dispersion in plasma was prepared by magnetron sputtering (Fig.…”

Section: Superhard Materialsmentioning

confidence: 99%

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Application of dusty plasma for production of disperse composite materials

et al. 2015

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Objectives and achievements of the production of disperse composite materials (DCMs) which consist of particles with a metal coating are represented. The prospects of the DCM production by the dusty plasma method based on confining a cloud of micron-sized particles in a discharge plasma and on magnetron sputtering are shown. The method was tested in the preparation of catalyst materials, a superhard diamond polycrystalline material, and a polyquasicrystalline material with a low friction coefficient. The results of investigations of the structure and properties of powdered and sintered DCMs are presented.

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Section: Superhard Materialsmentioning

confidence: 99%

Section: Superhard Materialsmentioning

confidence: 99%

Section: Superhard Materialsmentioning

confidence: 99%

Section: Superhard Materialsmentioning

confidence: 99%

See 2 more Smart Citations

Application of dusty plasma for production of disperse composite materials

et al. 2015

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“…Metallisation of diamonds grains induces a significant improvement of their performance when in the coating layer, especially at elevated processing conditions. Micro-cracks present in diamond grains are filled and the grains are encased in a metal shell, such coatings increase the strength of diamond powder, which leads to enhanced productivity of the tools [8,9].…”

Section: Introductionmentioning

confidence: 99%