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Interaction of the oxyfluoride melts of Ca, Al, Mg, Si, Ba, and Cr with refractories based on alumina and magnesia
Pleiades Publishing Ltd - Tập 2009 - Trang 113-119 - 2009
V. T. Burtsev, G. V. Serov
The interaction of slags consisting of the oxides and fluorides of Ca, Al, Mg, Si, Ba, and Cr with refractories based on Al2O3, MgO, and MgO · Al2O3 is experimentally studied at 1600–1700°C and p Ar = 0.3 MPa. Laser emission microprobe analysis is used to study the fracture surfaces in the slag-crucible contact zone, to analyze the depth profile of the chromium concentration in the bulk of the ref... hiện toàn bộ
Effect of deformation and heat treatment on the structure, the mechanical properties, and the fracture characteristics of an ultrafine-grained Zr–1Nb alloy
Pleiades Publishing Ltd - Tập 2017 - Trang 271-278 - 2017
G. P. Grabovetskaya, E. N. Stepanova, I. P. Mishin, V. A. Vinokurov
The effect of cold working and annealing for various times on the structure, the mechanical properties, and the fracture characteristics of an ultrafine-grained Zr–1 wt % Nb alloy after three-dimensional pressing is studied. Possible causes for increasing the thermal stability of the strength properties of the ultrafine-grained Zr–1 wt % Nb alloy during prerecrystallization annealing after additio... hiện toàn bộ
Tổng quan về măng nanô của các loại thép oxy hóa cường độ dispersion dưới tia ion Dịch bởi AI
Pleiades Publishing Ltd - Tập 2017 - Trang 741-747 - 2018
N. N. Orlov, S. V. Rogozhkin, A. A. Bogachev, O. A. Korchuganova, A. A. Nikitin, A. G. Zaluzhnyi, M. A. Kozodaev, T. V. Kulevoy, R. P. Kuibeda, P. A. Fedin, B. B. Chalykh, R. Lindau, Ya. Hoffmann, A. Möslang, P. Vladimirov
Nghiên cứu đánh giá tính tiến hóa của măng nanô trong thép ODS1 Eurofer, ODS 13.5Cr và ODS 13.5Cr–0.3Ti dưới tia ion nặng tại 300 và 573 K thông qua phương pháp tổng quan máy tính nguyên tử. Các mẫu được chiếu xạ bởi các ion Fe2+ 5.6 MeV và Ti2+ 4.8 MeV với liều lượng khoảng ~1015 cm–2. Kết quả cho thấy số lượng các cụm nano tăng lên gấp 2–3 lần sau khi chiếu xạ. T... hiện toàn bộ
#ODS steel #nanostructure evolution #ion irradiation #atom probe tomography #heavy ion irradiation
Effect of Calcium Microalloying on the Service and Corrosion Properties of V1341 Alloy Sheets
Pleiades Publishing Ltd - Tập 2021 - Trang 672-678 - 2021
O. E. Grushko, B. V. Ovsyannikov, M. A. Gureeva
The influence of calcium microalloying on the texture of aluminum Al–Mg–Li and Al–Mg–Si–Cu alloys is studied. The paper considers the mechanical properties at static and dynamic loads, the fatigue characteristics, the crack resistance, and the high-temperature strength of V1341 alloy sheets with a regulated recrystallized structure in state T1. The properties of the sheets are also determined afte... hiện toàn bộ
Effect of High Temperatures on the Mechanical Properties of 09G2S Steel
Pleiades Publishing Ltd - Tập 2021 - Trang 492-495 - 2021
S. A. Nikulin, S. O. Rogachev, S. G. Vasil’ev, V. A. Belov, Yu. A. Nikolaev
The structure and mechanical properties of 09G2S steel are studied during uniaxial tension tests in the temperature range from room temperature to 1200°C. The temperatures above which the strength properties of the steel decrease are determined. Austenite grain growth is shown to be very weak in the temperature range from room temperature to 1000°C.
Control of electromagnetic stirring by power focusing in large induction crucible furnaces
Pleiades Publishing Ltd - Tập 2011 - Trang 1152-1155 - 2012
V. E. Frizen, F. N. Sarapulov
An approach is proposed for the calculation of the operating conditions of an induction crucible furnace at the final stage of melting with the power focused in various regions of melted metal. The calculation is performed using a model based on the method of detailed magnetic equivalent circuits. The combination of the furnace and a thyristor frequency converter is taken into account in modeling.
Relation between the Hardness and the Strength of Gray Cast Iron with Allowance for the Structural Parameters
Pleiades Publishing Ltd - Tập 2017 - Trang 984-988 - 2018
A. A. Baron, L. V. Palatkina
The factors that affect the relation between ultimate tensile strength σu and hardness HB of gray cast iron with flaked graphite are studied. The scatter of the ultimate tensile strengths at a given hardness is shown to be caused by one of the primary structure parameters, namely, the volume fraction of primary austenite dendritic crystals. The dependences derived in this work can be used to incre... hiện toàn bộ
Phase composition of Al–Ti–Nb–Mo γ alloys in the heat-treatment temperature range: Calculation and experiment
Pleiades Publishing Ltd - Tập 2015 - Trang 576-584 - 2015
N. A. Belov, N. I. Dashkevich, S. O. Bel’tyukova
The phase composition of TNM-type Al–Ti–Nb–Mo γ alloys at heat-treatment temperatures is quantitatively studied using the Thermo-Calc program package and experimental methods. Isothermal cross sections are calculated and the joint influence of two alloying elements on the phase composition of the alloy is determined at the mean concentration of a third component. Based on the calculations of verti... hiện toàn bộ
Photometric Analysis of Structure–Strength Properties Relationships
Pleiades Publishing Ltd - Tập 2021 - Trang 1081-1084 - 2021
V. A. Ermishkin, N. A. Minina, S. P. Kulagin, N. A. Palii, A. K. Tomenko
The modern technologies of mechanical and heat treatment of metals and alloys are based on understanding of organic relationship between the physicomechanical properties of materials and their structural state. It is difficult to express the mechanical properties of materials in the form of contribution of individual structural constituents due to complexity of simultaneous evaluation of all param... hiện toàn bộ
Thermal stability of the cellular structure of an austenitic alloy after selective laser melting
Pleiades Publishing Ltd - - 2016
К. О. Базалеева, Е. В. Цветкова, E. V. Balakirev, Igor Yadroitsev, I. Smurov
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