Zobrazeno 1 - 9
of 9
pro vyhledávání: '"V. P. Umanskii"'
Autor:
Lobanov Leonid M, Yu. V. Naidich, Barry E. Paton, Yu. A. Asnis, V. S. Volkov, Yu.V. Zubchenko, E. G. Ternovyi, B. D. Kostyuk, V. P. Umanskii
Publikováno v:
Science and Technology of Welding and Joining. 24:320-326
A new design of electron beam gun for welding in open space has been developed. The gun design is based on the application of triode emission system with improved quality of electron beam formation...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad2e587164821b9cc7b65670d13b9df7
https://doi.org/10.1080/13621718.2018.1534794
https://doi.org/10.1080/13621718.2018.1534794
Publikováno v:
Powder Metallurgy and Metal Ceramics. 50:557-563
The decrease in geological surveys in Ukraine complicates field tests of experimental batches of diamond bits produced using advanced scientific developments. The strength of samples that model an impregnated layer of diamond bits both in terms of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dddde510f46f790caacb3e3b0c9bccc
https://doi.org/10.1007/s11106-011-9359-0
https://doi.org/10.1007/s11106-011-9359-0
Autor:
V. P. Umanskii
Publikováno v:
Powder Metallurgy and Metal Ceramics. 47:482-485
The paper examines the wear rate in friction of copper-impregnated samples produced by pressing of VK6 powder with chromium additions. The test is conducted on a cast iron disk in the presence of a wet SiC powder and on a diamond wheel without coolin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4286ff9b0c9b00f4267d396c3d339147
https://doi.org/10.1007/s11106-008-9046-y
https://doi.org/10.1007/s11106-008-9046-y
Autor:
N. S. Zyukin, Yu. V. Naidich, V. A. Evdokimov, A. A. Adamovskii, V. P. Umanskii, A. A. Bugaev
Publikováno v:
Powder Metallurgy and Metal Ceramics. 47:191-196
A new diamond-hard alloy macrocomposite material consisting of diamond grits (0.5–0.8 mm or more in size) and a WC-Co matrix has been developed. The material is characterized by high mechanical properties of the matrix (the same as for WC-Co monoli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c411626b6e68c0da1fbba2e355911c51
https://doi.org/10.1007/s11106-008-9004-8
https://doi.org/10.1007/s11106-008-9004-8
Publikováno v:
Strength of Materials. 39:671-676
We discuss the main methods of modeling and assessment of the strength of diamond fastening in the tool. It is shown that the diamond-holding components comprise mechanical fixing and adhesion to the matrix. A method for the determination of the adhe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14f6065abafdd5099ec28c37cc2846d1
https://doi.org/10.1007/s11223-007-0077-2
https://doi.org/10.1007/s11223-007-0077-2
Publikováno v:
Powder Metallurgy and Metal Ceramics. 46:513-516
The vacuum production of diamond drill bits is considered. The effect from the concentration of an adhesive-active element (chromium) on the diamond-tool contact strength is analyzed. It is examined how the binder affects the dependence of diamond-re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::388b7ca7d53c9398204ac685f4c46bee
https://doi.org/10.1007/s11106-007-0079-4
https://doi.org/10.1007/s11106-007-0079-4
Publikováno v:
Powder Metallurgy and Metal Ceramics. 32:613-617
The kinetics of the oxidation of chromium and chromium-nickel coated diamond powders in air at 750 and 850°C was studied by means of interrupted weighing. The coatings and metallized powders were subjected to x-ray phase analysis. Decrease of the po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ed582e933e52eee94dbef506ff6f02c
https://doi.org/10.1007/bf00559946
https://doi.org/10.1007/bf00559946
Publikováno v:
Powder Metallurgy and Metal Ceramics. 32:476-479
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e6441fad19adc7efd05f605d12d7145
https://doi.org/10.1007/bf00560722
https://doi.org/10.1007/bf00560722
Publikováno v:
Soviet Powder Metallurgy and Metal Ceramics. 19:432-435
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77995d725f74b76574cec53c27c33e47
https://doi.org/10.1007/bf00791769
https://doi.org/10.1007/bf00791769