Zobrazeno 1 - 10
of 14
pro vyhledávání: '"V. D. Kurochkin"'
Publikováno v:
Powder Metallurgy and Metal Ceramics. 60:360-369
Publikováno v:
Powder Metallurgy and Metal Ceramics. 59:113-120
A mathematical model and a software program (FLUOR81) were developed to implement the fundamental parameter method for X-ray fluorescence analysis of new alloy types. The model takes into account the X-ray tube excitation by polychromatic radiation a
Publikováno v:
Powder Metallurgy and Metal Ceramics. 57:251-256
The structure, chemical and phase compositions, and process properties of the high-carbon ferrochromium powder produced by grinding the lump pig FKh800 ferroalloy have been examined. The pycnometric and bulk densities of the powder and its compressib
Publikováno v:
Powder Metallurgy and Metal Ceramics. 47:723-732
Spectroscopic measurements and mathematical simulations are conducted to study the composition and parameters of spark discharge in depositing coatings with silver electrodes using an Elitron-22 generator. The effective temperature and electron conce
Autor:
V. D. Kurochkin
Publikováno v:
Powder Metallurgy and Metal Ceramics. 47:248-254
The types and concentrations of ion polyatomic clusters in glow discharge plasma are calculated in cathode sputtering of Kh13N10T stainless steel in argon. Mass spectra in the mass regions of elements used for microalloying of steels are interpreted.
Publikováno v:
Powder Metallurgy and Metal Ceramics. 46:398-403
Phosphorus and trace impurities in aluminum phosphate powders and coatings are identified with glow-discharge mass spectrometry (GDMS), atom emission spectrometry (AES), x-ray fluorescence (XRF), and chemical analysis. Alumina powders with particles
Autor:
V. D. Kurochkin, L. P. Kravchenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 45:493-499
A method has been developed for determining trace components in high-purity aluminum oxide powder for making sapphire single crystals. The analyses have been performed with VG9000 glow-discharge mass spectrometer which provided a sensitivity at the s
Autor:
V. D. Kurochkin
Publikováno v:
Powder Metallurgy and Metal Ceramics. 45:387-394
Features are examined of using high-sensitivity mass-spectral layerwise analysis in a glow discharge to examine Cu-Cr composite material made by electron-beam evaporation. A mathematical model is used to calculate the concentrations of molecular ions
Publikováno v:
Powder Metallurgy and Metal Ceramics. 44:191-195
The paper discusses how the structure of aluminum alloys affects the determination of silicon by x-ray fluorescence and glow-discharge mass spectrometry. As the silicon microcrystals enlarge, there tends to be an exaggeration of its content. The kine
Autor:
V. D. Kurochkin
Publikováno v:
Powder Metallurgy and Metal Ceramics. 43:411-416
A method has been developed for the quantitative elemental analysis of Co – Cr – Mo alloys which are used for making surgical implants, and which is done by glow-discharge mass spectrometry. There is a discussion of the effects of molecular ions