Zobrazeno 1 - 10
of 10
pro vyhledávání: '"I. O. Ershova"'
Publikováno v:
Metallurgist. 58:227-233
Scientific research that has been carried out since the middle of the last century at TsNIIchermet has contributed to the progress which has been made in the industrial production of powders of electrolytic iron, titanium, chromium, and stainless ste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41f6423b0c9a79cd0c767c6cd291074c
https://doi.org/10.1007/s11015-014-9894-2
https://doi.org/10.1007/s11015-014-9894-2
Publikováno v:
Metallurgist. 55:67-73
The advantages and disadvantages of different types of shaping operations (extrusion, forging, combination variants) for sintered semifinished products of powder molybdenum alloys are examined. The article presents the mechanical properties and micro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c6dee35786ce49bd81594aef1e205d4
https://doi.org/10.1007/s11015-011-9392-8
https://doi.org/10.1007/s11015-011-9392-8
Publikováno v:
Steel in Translation. 40:857-863
The properties of oxide powders from different suppliers are considered. The production of molybdenum powder by the reduction of oxides in hydrogen is discussed. The influence of the oxide properties on the properties of the molybdenum powder is demo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::262db6e0edc2e3be719e426384425db7
https://doi.org/10.3103/s0967091210090202
https://doi.org/10.3103/s0967091210090202
Autor:
I. O. Ershova
Publikováno v:
Metal Science and Heat Treatment. 46:126-131
The effect of the sintering medium, i.e., hydrogen at different degrees of drying and evacuation, on the mechanical properties of specimens of Mo – TiN and Mo – ZrN powder compositions with 2% nitrides, which are sintered with relative density of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d773e79b530af3c25bc183e3781a81d4
https://doi.org/10.1023/b:msat.0000036663.11563.10
https://doi.org/10.1023/b:msat.0000036663.11563.10
Autor:
I. O. Ershova
Publikováno v:
Metal Science and Heat Treatment. 45:67-72
The effect of additives of titanium, zirconium, hafnium, and niobium in an amount of 2% on the technological and mechanical properties of sintered molybdenum and tungsten is considered. The changes in the chemical and phase compositions of pressed sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::932aed474149cc91c4f42692f4c254e9
https://doi.org/10.1023/a:1023964600736
https://doi.org/10.1023/a:1023964600736
Autor:
I. O. Ershova, O. B. Fedotenkova
Publikováno v:
Metal Science and Heat Treatment. 42:470-477
The effect of extrusion and heat treatment regimes on mechanical properties of rods 40 – 45 mm in diameter fabricated from powder molybdenum alloys is investigated. The alloys are fabricated from a mixture of Mo and 0.1 – 2.0% ZrB2. A deformed al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4782bac6b384096c07e4cf934fa3a6c
https://doi.org/10.1023/a:1010436132211
https://doi.org/10.1023/a:1010436132211
Autor:
I. O. Ershova, Yu. V. Manegin
Publikováno v:
Metal Science and Heat Treatment. 41:69-74
Mechanical properties of deformed rods fabricated from a cast niobium alloy of grade 5VMTs-2 and powder molybdenum and tungsten alloys of grades M-MP, MV-2-MP, and V-5-MP are studied in the temperature range of 120–2000°C. It is shown that the beh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::242f42c838433f09fe8c03d62081238f
https://doi.org/10.1007/bf02468317
https://doi.org/10.1007/bf02468317
Autor:
I. O. Ershova
Publikováno v:
Metal Science and Heat Treatment. 40:280-283
The technology of powder metallurgy is widely used in the industry for the production of deformed semiproducts (rods, sheets, strips, forgings) from refractory metals, molybdenum (of grade M-PM) in particular. Molybdenum in the form of deformed rods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ed78e9d2f0c06141c7d383e47270a4a
https://doi.org/10.1007/bf02474893
https://doi.org/10.1007/bf02474893
Publikováno v:
Soviet Powder Metallurgy and Metal Ceramics. 16:179-183
1. It is shown that in the whole pressure range investigated (9–180 kg/mm2) coarse-grained spherical tungsten powders surpass standard fine-grained powders in compressibility. 2. In a wide pressure range (from 9 to 100–150 kg/mm2) the compressibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d762b12bf52c40ecb864feb837335caa
https://doi.org/10.1007/bf00794081
https://doi.org/10.1007/bf00794081
Publikováno v:
Soviet Powder Metallurgy and Metal Ceramics. 7:382-384
1. A study was made of the effect of 0.25 wt.% lanthanum and hafnium additions on the initial recrystallization temperature of tungsten. It was established that hafnium raises the initial recrystallization temperature of tungsten from 1200 to 1300°C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39b3d24e4c343decc5410e68d986633f
https://doi.org/10.1007/bf00774532
https://doi.org/10.1007/bf00774532