Zobrazeno 1 - 8 of 8 pro vyhledávání: '"S. O. Ivakhnenko"'
3
Application of a Differential Method for Determining the Quasi-Hydrostatic Pressures in the Cells of Six-Punch Presses
Autor: T. V. Kovalenko, S. O. Ivakhnenko, O. V. Savitskyi, A. V. Burchenia, V. Yu. Klochok, V. V. Lysakovskyi
Publikováno v: Journal of Superhard Materials. 43:85-92
Some methodical approaches to the measurement of high quasi-hydrostatic pressures in the cells of six-punch presses with consideration for the effect of high temperatures up to 1400°C were described, and the combined load characteristic p = f(Q), wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0fe05fbc0a425c37a38570f565285d01
https://doi.org/10.3103/s1063457621020027
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5
Computer-Aided Simulation of the Stress-Strain and Limit States of the Pyrophyllite Cell and Punches of a Six-Punch High-Pressure Apparatus
Autor: V. V. Lysakovskyi, O. V. Bovsunovskyi, O. O. Lyeshchuk, S. O. Ivakhnenko, S. B. Polotnyak
Publikováno v: Journal of Superhard Materials. 42:58-67
A finite-element technique for determining the mechanical state of the heavily loaded elements of a six-punch high-pressure apparatus (HPA) was developed. The compression of the pyrophyllite cell of a six-punch HPA was studied. The stress-strain and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a14a529271a445dcd996abc8f1fd248b
https://doi.org/10.3103/s1063457620020033
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6
Calculation of the temperature distribution at the HPHT growing of diamond single crystals in cells with two growth layers
Autor: V. V. Lysakovskii, S. O. Ivakhnenko, O. M. Suprun, S. O. Gordeyev, A. M. Kutsai, A. V. Burchenia
Publikováno v: Journal of Superhard Materials. 39:149-154
Finite element method was used to calculate the distribution of temperatures in growth cells of the toroid TC-40 -type HPA. The experimental investigations of the process of growing type IIa diamond single crystals were performed in high-pressure cel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84a1c241329fcc891e4d01d2491c6008
https://doi.org/10.3103/s1063457617030017
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7
Features of morphogenesis of diamond single crystals more than 2 carats grown by temperature gradient method
Autor: S. O. Ivakhnenko, T.V. Kovalenko, O.V. Bovsunivskyi, V. V. Lysakovskyi, V.M. Kvasnytsya, A. V. Burchenia
Publikováno v: Journal of Crystal Growth. 550:125890
The morphology of ultra-large polyhedra of diamond grown under high pressure and high temperature (5.6–5.8 GPa and 1400–1700 °C) in a growth system based on Fe-Co was studied. The grown diamond polyhedra are crystals of an octahedral habit with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63c32a40ec79108088a27859df3212d3
https://doi.org/10.1016/j.jcrysgro.2020.125890
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8
Methods to clean the surfaces of diamond crystals
Autor: S. O. Ivakhnenko, O. M. Suprun, G. D. Il’nyts’ka, V. M. Tkach
Publikováno v: Journal of Superhard Materials. 37:211-214
Methods of step-by-step cleaning of contamination of diamond single crystals surfaces have been defined. The main stages of the cleaning: chemical cleaning of the surface, ion etching, and ultrasound cleaning have been discussed. It has been shown th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e0fc36d827b37c9223ea9577b1c4223
https://doi.org/10.3103/s1063457615030090
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