Application of the dusty plasma method for preparation of diamond ceramics

作者：Ekimov E A; Borovikov N F; Ivanov A S; Pal A F; Rusinkevich A A; Ryabinkin A N^*; Serov A O; Starostin A N; Fortov V E; Gromnitskaya E L

来源：Diamond and Related Materials, 2014, 41: 1-5.

DOI：10.1016/j.diamond.2013.10.003

• Synthetic diamond
• Composites
• Sputtering
• HTHP
• Microstructure
• Cutting tools

Diamond particles 3-7 mu m in size sustained in plasma in a high-dispersion state were coated with cobalt by magnetron sputtering. The relative concentration of cobalt in obtained powders was 2-3 mass. %. Sintering the diamond powders with the cobalt coating under the pressure of 8 GPa and the temperatures of 2000-2100 K resulted in the production of homogeneous specimens having the density of 3.6 +/- 0.1 g cm(-3). The produced diamond compacts demonstrated high values of the ultrasonic wave propagation velocity and elastic moduli.

• 出版日期2014-1