Autor: Abramová, E. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Properties of Type SiMo Ductile Irons at High Temperatures
Autorzy:: Roučka, J.
Abramová, E.
Kaňa, V.
Powiązania:: https://bibliotekanauki.pl/articles/354702.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Si-Mo cast irons
mechanical properties at high temperatures
thermal stability of structure
oxidation resistance
Opis:: Ductile irons of the type of Si-Mo are characterized by increased resistance to long-term influence of high temperatures and cyclic temperature changes. They are mainly used in castings of combustion engine exhaust piping and other castings utilized at temperatures of up to 850°C. The aim of the study is to verify the mechanical properties of non-alloyed cast iron EN CSN GJS 450, SiMo4-0.5 and SiMo5-1 ductile irons at temperatures of 700 to 800°C, and the extent of their superficial oxidation after longterm annealing at a temperature of 900°C. Via chemical microanalysis the composition of oxidation products in the surface layer was evaluated.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 2; 601-607
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Stratigraphy and geological events at the Frasnian-Famennian boundary in the Southern Urals
Autorzy:: Veimarn, A. B.
Puchkov, V. N.
Abramova, A. N.
Artyushkova, O. V.
Baryshev, V. N.
Degtyaryov, K. E.
Kononova, L. I.
Maslov, V. A
Mosejchuk, V. M.
Pazukhin, V. N.
Pravikova, N. V.
Tevelev, A. V.
Yarkova, A. V.
Powiązania:: https://bibliotekanauki.pl/articles/2058843.pdf
Data publikacji:: 2004
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Frasnian-Famennian boundary
Southern Urals
conodonts
superplume
Opis:: Detailed biostratigraphic correlation of late Frasnian and Famennian sections in the Southern Urals shows that the key global scale events near the boundary of Frasnian and Famennian are clearly expressed in combination with important regional scale tectonic events. The maximum regression occured during triangularis zones time, being recorded as common hiatuses. The beginning of specific ultra- potassic mantle volcanism took place during the linguiformis Zone. Processes of olistostrome deposition, uplift of the Uraltau zone, the start of flysch deposition, and exhumation of the high pressure-low temperature Maksiutovo metamorphic complex also took place very close to the Frasnian-Famennian boundary, as the general regression coincided with active local tectonic movements as the Magnitogorsk island arc collised with the East European continent. The global scale events at the F-F boundary are connected with activity of the Late Devonian superplume, which encompassed a vast area of the Kazakhstanian, East European, Siberian, Gondwana and South Chinese plates.
Źródło:: Geological Quarterly; 2004, 48, 3; 233--244
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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