Patents Assigned to Institut Sverkhtverdykh Materialov SSR
  • Polycrystalline diamond member and method of preparing same
    Patent number: 4104441
    Abstract: A method of preparing a polycrystalline diamond member comprising sintering diamond particles having deposited thereon, not only diamond coating, but also diamond-graphite coatingIn the epitaxial method of coating according to the invention, diamond particles may be the finest ones of a size smaller than one micron. The resulting compact member is characterized in the absence of marked graphite inclusions, and diamond cleavage between the particles results in a considerable improvement of the strength of the compact member.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: August 1, 1978
    Assignees: Institut Sverkhtverdykh Materialov SSR, Institut Fizicheskoi Khimii Akademii Nauk
    Inventors: Dmitry Valerianovich Fedoseev, Boris Vladimirovich Deryagin, Valentin Nikolaevich Bakul, Alexei Iosifovich Prikhna, Valentin Pavlovich Varnin, Stanislav Pavlovich Vnukov, Valentin Korneevich Gerasimenko, Jury Ivanovich Nikitin, Nekhemyan Veniaminovich Tsypin, Anatoly Vasilievich Hochko