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Artykuły w czasopismach na temat „Steel, structural”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 29 lipca 2024

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1

Hohol, Myron, and Dmytro Sydorak. "STRUCTURAL EFFICIENCY OF STEEL COMBINED TRUSSES." Theory and Building Practice 2022, no. 2 (December 20, 2022): 58–67. http://dx.doi.org/10.23939/jtbp2022.02.058.

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In this article on increasing the efficiency of steel combined structures, the tasks of rational design, regulation and control of structural parameters of elements, the use of steels with increased mechanical properties are considered. It is shown that for a six-span stiffening girder of a combined truss with elastic supports, which operates under a distributed load, the moment is 72 times smaller than the moment of a single-span beam. It is suggested to use high-strength steel for truss braces. Rationality criteria are proposed. On the basis of rationality criteria, new steel combined trusse

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2

Aftandiliants, Ye G. "Modelling of structure forming in structural steels." Naukovij žurnal «Tehnìka ta energetika» 11, no. 4 (September 10, 2020): 13–22. http://dx.doi.org/10.31548/machenergy2020.04.013.

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The study showed that the influence of alloying elements on the secondary structure formation of the steels containing from 0.19 to 0.37 wt. % carbon; 0.82-1.82 silicon; 0.63-3.03 manganese; 1.01-3.09 chromium; 0.005-0.031 nitrogen; up to 0.25 wt.% vanadium and austenite grain size is determined by their change in the content of vanadium nitride phase in austenite, its alloying and overheating above tac3, and the dispersion of ferrite-pearlite, martensitic and bainitic structures is determined by austenite grain size and thermal kinetic parameters of phase transformations. Analytical dependenc

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FUJIMOTO, Morihisa. "Structural Steel and Steel Construction." Tetsu-to-Hagane 71, no. 9 (1985): 1059–69. http://dx.doi.org/10.2355/tetsutohagane1955.71.9_1059.

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4

Nichipuruk A. P., Stashkov A. N., Schapova E. A., Kazantseva N. V., and Makarova M. V. "XXI All-Russian School-Seminar on Problems of Condensed Matter Physics (SPCMP-21), Ekaterinburg, March 18-25, 2021. Structure and magnetic properties of low-carbon 2% Mn-doped steel manufactured by selective laser melting." Physics of the Solid State 63, no. 13 (2022): 1587. http://dx.doi.org/10.21883/pss.2022.13.52295.25s.

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The structure, magnetic and electrical properties of low-carbon 2% Mn-doped steel manufactured by selective laser melting (3D-steel) and casting have been investigated. It was found that after normalization at 980oC for 30 minutes, 3D-steel becomes structurally similar to cast steel, while the hardness decreases by 70% compared to annealed 3D-steel. Surface stresses are maximum in as-build 3D-steel after three-hour annealing. The normalization process significantly reduced the level of residual stresses, which was confirmed via the X-ray structural analysis and magnetometric measurements. The

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5

Ene, Anna, Ioan Both, Ovidiu Abrudan, Aurel Stratan, Horia Florin Daşcău, and Nicușor Alin Sîrbu. "Experimental Investigation of Monotonic and Cyclic Behaviour of High-Performance Steels." Key Engineering Materials 953 (August 25, 2023): 13–20. http://dx.doi.org/10.4028/p-k0xked.

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As a new trend in modern structural design, the high-performance steels are increasingly used in steel structures, due to their superior mechanical properties, which could have decisive impact on the resistance and deformation capacity of structural components. High-performance steels include stainless and high-strength steels. The higher proof stress of the high-strength steels allows using thinner sections and material economy for those structural elements that do not experience stability problems. Austenitic stainless steel shows a series of advantages, including low maintenance costs and a

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Verő, Balázs, Dénes Zsámbók, Ákos Horváth, János Dobránszky, László Kopasz, and József Hirka. "Advanced Structural Steels in the Hungarian Steel Industry." Materials Science Forum 473-474 (January 2005): 23–32. http://dx.doi.org/10.4028/www.scientific.net/msf.473-474.23.

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At the beginning of the third millennium, the world’s annual steel production reached 900 million tons. Flat products account for the majority of the production. It is also known that around three times the amount used today would be needed if the mechanical properties of the steels produced would have stagnated on the level characteristic of the 1930s and 40s. The history of the development and production of HSLA steel in Hungary dates back to the beginning of the 1960s. For the construction of the new Erzsébet Bridge, research workers at Danube Steelworks and at Steel Industry Research Insti

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7

Korchynsky, Michael. "Advanced Metallic Structural Materials and a New Role for Microalloyed Steels." Materials Science Forum 500-501 (November 2005): 471–80. http://dx.doi.org/10.4028/www.scientific.net/msf.500-501.471.

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The recent worldwide surge of steel consumption, mainly of low-strength carbon grades, has created raw-materials shortages and price increases. These supply-demand strains could be relaxed by satisfying engineering needs with less steel. However, materials used for such a substitution must combine high weight reducing potential with low cost. Microalloyed (MA) steels are cost- effective substitutes, since their high strength is the result of grain refinement and precipitation hardening. The optimum alloy design of MA steels combines superior properties with lowest processing cost. The growing

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8

Kurebayashi, Yutaka, and Sadayuki Nakamura. "Structural Steels. A Case Hardening Steel, "ALFA Steel", for Cold Forging." DENKI-SEIKO[ELECTRIC FURNACE STEEL] 69, no. 1 (1998): 57–64. http://dx.doi.org/10.4262/denkiseiko.69.57.

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9

Stiemer, S. F. "Structural steel design." Canadian Journal of Civil Engineering 17, no. 3 (June 1, 1990): 500–501. http://dx.doi.org/10.1139/l90-055.

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10

Du, Peng, Hongbo Liu, and Xuchen Xu. "Cyclic Performance of Structural Steels after Exposure to Various Heating–Cooling Treatments." Metals 12, no. 7 (July 5, 2022): 1146. http://dx.doi.org/10.3390/met12071146.

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The cyclic performance of structural steels after exposure to various elevated temperatures and cooling-down methods was experimentally investigated in this paper. Four types of frequently used structural steels were tested including Chinese mild steel Grade Q235, Chinese high-strength steel Grade Q345, and Chinese stainless steel Grade S304 and S316. A total of eighty specimens were prepared using three different heating–cooling processes before being subjected to cyclic loads. The post-fire basic features and hysteretic performances of the four types of structural steels exposed to various t

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11

Kowalska, Joanna, Janusz Ryś, and Grzegorz Cempura. "Complex Structural Effects in Deformed High-Manganese Steel." Materials 14, no. 22 (November 16, 2021): 6935. http://dx.doi.org/10.3390/ma14226935.

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The research presented in this paper is part of a larger project concerning deformation behavior, microstructure and mechanical properties of high-manganese steels with different chemical compositions and processed under various conditions. The current investigation deals with the development of microstructure and crystallographic texture of Fe-21.2Mn-2.73Al-2.99Si steel deformed in tension until fracture at ambient temperature. The deformation process of the examined steel turned out to be complex and included not only dislocation slip and twinning but also strain induced phase transformation

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12

Grigorenko, G. M., V. D. Poznyakov, T. A. Zuber, and V. A. Kostin. "Peculiarities of formation of structure in welded joints of microalloyed structural steel S460M." Paton Welding Journal 2017, no. 10 (October 28, 2017): 2–8. http://dx.doi.org/10.15407/tpwj2017.10.01.

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13

Dong, Zhong Bo, Han Xiong Dong, and Xia Hong. "Simulation Research on Process Adaptability of Alloy Structural Steel 50Mn2V." Advanced Materials Research 573-574 (October 2012): 1178–81. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.1178.

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This paper analyzes the adaptability of process of alloy structural steel 50Mn2V by simulating research. Through the high temperature tensile test、the multi-pass deformation test we study the deforming resistance characteristics of 50Mn2V steel, and carry on the contrast with high strength steels P20（3Cr2Mo）of a factory; Through thermo-plasticity test the high temperature thermoplastic of 50Mn2V steel is studied. The test result indicates a factory has ability to produce the high strength 50Mn2V steel completely with present equipment.

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14

Yang, Yang, Kang Min Lee, Keun Yeong Oh, and Sung Bin Hong. "Structural Performance Evaluation of Built-Up Stub Steel Column with Various Steel Grades under Concentric Loading." Applied Mechanics and Materials 764-765 (May 2015): 127–31. http://dx.doi.org/10.4028/www.scientific.net/amm.764-765.127.

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The current local stability criteria (KBC2009, AISC2010) are enacted through theoretical and experimental studies of ordinary steels, but the mechanical properties of high strength steels are different from ordinary steels. The high strength steel in the applicability of design criteria should be needed to review because of increasing market demanding for high strength steel in the high-rise and long span buildings. In this study, stub columns of H-shaped and box section with various steel grades subjected to concentric loading were investigated, and these steels were checked to the applicabil

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15

Kwon, In Kyu. "Differences of Fire Resistance According to Boundary Conditions of Submarine Structural Steels." Advanced Materials Research 905 (April 2014): 137–40. http://dx.doi.org/10.4028/www.scientific.net/amr.905.137.

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Structural steels have been developed in terms of users needs. Particularly, easy welding is one of the most important factors of steel works that results in submarine structural steel (SM). The SM has become a popular structural steel in building construction in columns and beams proving as good as ordinary structural steels (SS). However, evaluation of fire resistance at H-section made of SM steels was not suggested in terms of boundary conditions. In this paper, to compare the fire resistance of H-section made of SM steels, such as SM 400, SM 490, and SM 520 was tested and analyzed in terms

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16

Chen, Yan Tang, Kai Guang Zhang, and Ji Hao Cheng. "Microstructure Evolution of a HSLA Offshore Steel with Cooling Rates." Advanced Materials Research 583 (October 2012): 306–9. http://dx.doi.org/10.4028/www.scientific.net/amr.583.306.

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The high strength low alloy (HSLA) steels have been extensively used in offshore engineering. The appropriate microstructure of the HSLA structural steels was designedly controlled in steel making for offshore construction. The different microstructures of the steel were formed when shifted the cooling rate after final rolling. Experiment results shown that ferrite and pearlite were observed in the HSLA steel with a cooling rate less than 0.2°C/s. Bainite was formed when the cooling rate ranged from 1.0°C/s to 5.0°C/s and martensite was seen in the steel plate with a cooling rate more than 30°

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17

Černý, Michal, Josef Filípek, Pavel Mazal, and David Varner. "Notch aspects of RSP steel microstructure." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 60, no. 5 (2012): 49–60. http://dx.doi.org/10.11118/actaun201260050049.

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For a rather long time, basic research projects have been focused on examinations of mechanical properties for Rapid Solidification Powder (RSP) steels. These state-of-art steels are commonly known as “powdered steels“. In fact, they combine distinctive attributes of conventional steel alloys with unusual resistance of construction material manufactured by so called “pseudo-powdered” metallurgy.Choice of suitable materials for experimental verification was carried out based on characteristic application of so called “modern steel”. First, groups of stainless and tool steel types (steel grades

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18

Shilyaev, P. V., S. V. Denisov, P. A. Stekanov, V. L. Kornilov, F. V. Kaptsan, V. N. Urtsev, A. V. Shmakov, et al. "Development of scientific ideas on phase and structural transformations in steels for different application." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 77, no. 5 (May 26, 2021): 552–63. http://dx.doi.org/10.32339/0135-5910-2021-5-552-563.

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Purposeful control of structural state of steel at every stage of technological chain of steel goods production is necessary for elaboration of effective metallurgical technologies. The purpose of the complex of research and theoretical studies was development of ideas on peculiarities of structure formation of various steel grades. Current conceptions about phase and structural transformations in steels with different contents of carbon and alloying elements considered. For carbon and alloyed steels, the results of the study of the structure of perlite formed at different temperatures summari

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19

Parlashkevich, Valentina, and Oleg Tsyba. "Study of the Prospects of the Use of High-Strength Steel Shapes." Applied Mechanics and Materials 475-476 (December 2013): 1253–56. http://dx.doi.org/10.4028/www.scientific.net/amm.475-476.1253.

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The prospects of the use of rolled shapes made of high-strength steels in steel structural elements are considered. A comparative analysis of strength values and economic indices of steel structural elements is done for their work in compression, tension and bending.

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20

Xu, Jie, Guangyong Wang, and Renjie Liu. "On the Similarity Relationship between the Structural-Steel Prototype and the 304-Stainless-Steel Dynamic Scale Model." Buildings 13, no. 12 (November 28, 2023): 2966. http://dx.doi.org/10.3390/buildings13122966.

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Due to the size limitations of shaking tables, dynamic scale models of large-span space structures for engineering have small cross-sections and thin wall thicknesses. It is difficult to use the structural steels commonly used in prototypes to make dynamic scale models. In this paper, 304 stainless steel is proposed for making the scale model, and the similarity relationship between the structural-steel prototype and the 304-stainless-steel dynamic scale model was studied. Firstly, a uniaxial test was conducted to study the elastic modulus similarity and the yielding stress similarity. The tes

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21

Tsvetkova, E. V., K. O. Bazaleeva, I. S. Chekin, O. G. Klimova-Korsmik, and A. S. Zhidkov. "Nitriding of steels of various structural classes manufactured by laser additive technologies." Izvestiya. Ferrous Metallurgy 63, no. 1 (March 30, 2020): 63–70. http://dx.doi.org/10.17073/0368-0797-2020-1-63-70.

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The authors have conducted a comparative analysis of diffusion layers of steels of various structural classes manufactured by complex technology including laser remelting of powder material and plasma nitriding. Parameters of diffusion layers of bainitic steel (Fe – 0.09 % C – 1 % Cr – 2 % Ni – 1 % Mo – 1 % Cu) and martensitic steel (Fe – 0.25 % C – 13 % Cr – 2 % Ni) manufactured by direct laser deposition (DLD) and austenitic steel (Fe – 0.03 % C – 17 % Cr – – 14 % Ni – 3 % Mo) manufactured by selective laser melting (SLM) were investigated. During plasma nitriding at 540 °C for 24 h of marte

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22

Caballero, Rementeria, Morales-Rivas, Benito-Alfonso, Yang, de Castro, Poplawsky, Sourmail, and Garcia-Mateo. "Understanding Mechanical Properties of Nano-Grained Bainitic Steels from Multiscale Structural Analysis." Metals 9, no. 4 (April 9, 2019): 426. http://dx.doi.org/10.3390/met9040426.

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Steel components working in extreme conditions require materials presenting the highest performances. Nowadays, nanoengineering is being applied to the development of ultra-high strength steels as a key-enabling technology in the steel sector. The present article describes the multiscale structure of nano-grained steels designed using atomic transformation theory and processed by a simple heat treatment. Outstanding mechanical properties for these novel steels are reported, and strain-hardening mechanisms are discussed.

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23

Kolpahchyan, P. G., M. S. Podbereznaya, M. S. Alexandrova, and V. V. Baibichyan. "Estimation of the domestic materials application possibility in the active part of a high-speed electric generator for micro-GTP." Journal of Physics: Conference Series 2131, no. 4 (December 1, 2021): 042075. http://dx.doi.org/10.1088/1742-6596/2131/4/042075.

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Abstract The article discusses the possibility of using domestic materials in a high-speed electric generator. The features of Japanese electrical steel 20NTN1500 and domestic-made electrical steel grades 2420 and 2421 for the stator magnetic circuit are shown. The features of American steel AISI 455 and structural steel grades Steel 40, Steel 40H, Steel 45 are considered in the case of a rotor. A feature of the use of structural steels in the design of the high-speed electric generator rotor for micro-gas turbine plants is the need for precise observance of the rotor heat treatment mode after

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24

Dobraš, Dragoslav, Milisav Marković, and Slaviša Savić. "Welding technology of steel cast G18CrMo4+QT with structural steel S355J2+N." Zavarivanje i zavarene konstrukcije 67, no. 2 (2022): 77–83. http://dx.doi.org/10.5937/zzk2202077d.

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Welding technology of cast steel G18CrMo4+QT with structural steel S355J2+N is a welding of dissimilar steels. The problem of welding cast iron G18CrMo4+QT is the phenomenon of hardening of the structure due to the presence of unreleased martensite, which results in lower toughness and the formation of cold cracks. On the other hand, structural steel S355J2+N, depending on the thickness of the material, is also prone to the appearance of cold cracks. In order to prevent the formation of cracks and eliminate residuals stresses, it is necessary to perform preheating and heat treatment after weld

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25

Rojacz, Harald, Hannes Pahr, Susanne Baumgartner, Karl Adam, and Markus Varga. "Welding Parameters and their Influence on the Abrasion Resistance of Structural Steels at Elevated Temperatures." Key Engineering Materials 721 (December 2016): 461–66. http://dx.doi.org/10.4028/www.scientific.net/kem.721.461.

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In several industrial applications wear resistance of structural steels is required. Also enhanced temperature can occur when handling hot materials, e.g. in steel industry. Within this study a low alloyed structural steel (carbon steel S355) and a high temperature (HT) 9 % Cr steel ASTM A332 P92 were chosen for investigation. Repair welds with flux cored wires which are often required in applications were investigated, aiming on the role of interpass temperatures, the resulting effect of cooling conditions on the microstructure and their HT abrasion resistance. The influence of different micr

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26

Pustovoit, V. N., Yu V. Dolgachev, and I. V. Ivankov. "Structural Organization of Steel to Ensure Special Equipment Safety." Safety of Technogenic and Natural System, no. 1 (March 10, 2023): 70–75. http://dx.doi.org/10.23947/2541-9129-2023-1-70-75.

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Introduction. At present, great success has been achieved in the field of creating effective protective materials. Various non-metallic, metal-ceramic, and also composite materials act as armor elements. However, most of the armor elements of vehicles and personal protective equipment (PPE) are steels that, along with high ballistic resistance, have a high mass. In this regard, the relevance of the article is related to the possibility of lightening typical protective elements when using a material that has a structural organization like a natural ferrite-martensite composite (NFMC). The work

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Krzywoń, Rafał. "Steel-Reinforced Polymers and Steel-Reinforced Composite Mortars for Structural Applications—An Overview." Journal of Composites Science 4, no. 3 (September 20, 2020): 142. http://dx.doi.org/10.3390/jcs4030142.

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Bonding of external reinforcement is currently the simplest, fastest, and most popular method of strengthening concrete and masonry structures. Glass and carbon organic fibers are the dominant materials used, but alternatives also include high-strength steel wires. The mechanical properties of such steel are comparable to those of carbon fiber. Due to their good compatibility with mortars, steel wires are particularly well suited to the revitalization of historic buildings. The manuscript provides an overview of research and experience in the use of steel-reinforced polymers (SRPs) and steel-r

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Islam, M. A. "Essential Mechanical Properties of Structural Steels for Steel Reinforced Buildings in the Earthquake Sensitive Areas." Journal of Scientific Research 4, no. 1 (December 23, 2011): 51. http://dx.doi.org/10.3329/jsr.v4i1.7069.

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During earthquake, the ground along with its various natural and manmade structures experiences shaking of various intensities and frequencies depending on the nature of the earthquake. The loading activities caused by earthquakes on various structures are very much cyclic type, which is popularly known as fatigue loading. On the other hand, for modern high-rise buildings a large volume of steel bar is used to reinforce the concrete because of the pioneer role of steel bars embedded inside the concrete for safety of the buildings. In this study various mechanical properties of reinforcing stee

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Skakov, Mazhyn, Erlan Batyrbekov, Laila Zhurerova, and Michael Scheffler. "Microstructure and Microhardness Changes of 30CrMnSiA Steel Modified Surface Layers by Electrolyte-Plasma Processing." Applied Mechanics and Materials 423-426 (September 2013): 824–27. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.824.

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This work is devoted to research of 30CrMnSiA steel structurally modified surface layers and study of electrolyte-plasma treatment parameters influence on changing peculiarities of structural-phase state and also the increase of constructional 30CrMnSi steel operating ability. The chosen technology leads to the formation of stable ferrite-pearlite structures in 30CrMnSi steel surface layers, provides high mechanical properties. As for the basic experimental methods of research in the work we used metallographic analysis applying optical microscope «NEOPHOT-21» and «AXIOPHOT-2», Х-ray analysis

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Plyuta, V. L., G. V. Levchenko та A. M. Nesterenko. "Структуроутворення та властивості листових конструкційних сталей при режимах ординарної та комбінованої термічної обробки з витримкою в міжкритичному інтервалі температур". Metaloznavstvo ta obrobka metalìv 29, № 1 (31 березня 2023): 46–57. http://dx.doi.org/10.15407/mom2023.01.046.

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The features of the structure, the nature of the distribution of alloying elements and impurities between the structural components of sheet low-alloy steels that have undergone heat treatment with exposure in the intercritical temperature interval (ICTI), the structure formation and mechanical properties of these steels after the combined regimes of heat treatment with exposure in the ICIT were investigated. The analysis of the distribution of elements among the structural components of the studied low-alloy steels allowed us to establish that during heat treatment with direct exposure in the

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BOBYR, S. V., E. V. PARUSOV, T. M. GOLUBENKO, and D. V. LOSHKAREV. "DEVELOPMENT AND IMPLEMENTATION OF A NEW METHOD FOR MODELING PHASE-STRUCTURAL TRANSFORMATIONS DURING COOLING OF ALLOY STEELS." Physical Metallurgy and Heat Treatment of Metals 1, no. 1 (96) (June 4, 2022): 17–23. http://dx.doi.org/10.30838/j.pmhtm.2413.240422.17.838.

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Formulation of the problem. Modern research on the phase transformations modeling in low-alloy steels allow solving the problem of phase transformations quantitative determination for a given chemical composition of steel and different cooling rates. However, the possibilities of available universal software products for the complex alloy steels analysis are limited. The impossibility for users to integrate their own subroutines according to the phase transformation diagrams is their main disadvantage. Purpose of research. Modeling phase-structural transformations during cooling of complex-all

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Ban, Hui Yong, Gang Shi, Yong Jiu Shi, and Yuan Qing Wang. "Research Progress on the Mechanical Property of High Strength Structural Steels." Advanced Materials Research 250-253 (May 2011): 640–48. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.640.

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High strength and high performance steels used in structural engineering have been developed, but the application is constrained and the design work changes as a result of the different material property. In order to study high strength steel material property features, the production process, steel grade and code limit requirement were reviewed and discussed. Some important mechanical property indexes including the stress-strain relationship, yield-tensile strength ratio (i.e. Y/T ratio), ductility and toughness, were analyzed based on a large amount of tension coupon test data reported in th

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Логвин, Владимир, Vladimir Logvin, Ирина Терешко, Irina Tereshko, Сергей Шептунов, and Sergey Sheptunov. "Structural steel strengthening by glow discharge impact." Science intensive technologies in mechanical engineering 2019, no. 11 (November 28, 2019): 8–12. http://dx.doi.org/10.30987/article_5d9dc9b88e23f5.96382622.

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The investigation results in micro-hardness changes of 18HGT, ShH15, 38HMU structural steels after processing in a glow discharge are presented. It is defined that in all steel samples under analysis one observes micro-hardness changes during the whole research period with different oscillations. The degree of a glow discharge impact can be controlled and, ensured, accordingly, as such that no substantial oscillations could take place regarding changes in the inner structure of the system providing a more controlled purposeful change of physical and stress-strain properties.

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Aftandiliants, Ye G. "Influence of chemical composition on heat resistance of structural steel." Naukovij žurnal «Tehnìka ta energetika» 11, no. 3 (November 18, 2020): 81–87. http://dx.doi.org/10.31548/machenergy2020.03.081.

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It is based of process analysis of structural steel operation at elevated temperatures and stresses, it is established that their workability depends with the chemical composition of steels and operation stress, time, temperature. The heat-resistant structural steels alloying is aimed for reducing the intensity of softening processes, that is, the redistribution of the alloying elements between the solid solution and the separation phases, their coagulation and changes of the crystal structure defects. The results of the study of chemical composition effect, temperature, stress and operation t

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Hezentsvei, Y. I., and D. O. Bannikov. "Use of Fine-Grained Heat-Strengthened Steels to Increase the Operation Qualities of Bunker Capacities from Thin-Walled Galvanized Profiles." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 1(91) (February 15, 2021): 84–93. http://dx.doi.org/10.15802/stp2021/227198.

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Purpose. The work is aimed to study the use efficiency of fine-grained heat-strengthened steels (mainly 10G2FB) for steel bunker capacities. At the same time, the structural scheme of such a structure using corrugated steel sheets is considered as the main variant. Methodology. To achieve this purpose, a series of numerical calculations was carried out for a steel bunker capacity of a pyramidal-prismatic type with overall dimensions in plan view of 6×5.2 m and a total height of 4.5 m. The capacity was designed for complicated working conditions, in particular, increased loads, including long-t

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Mishnev, Peter A., Vladimir A. Uglov, Sergey V. Zhilenko, and Ivan B. Chudakov. "Analysis of Specific Properties and Features of Application of New Industrial High-Damping Steel." Materials Science Forum 931 (September 2018): 608–13. http://dx.doi.org/10.4028/www.scientific.net/msf.931.608.

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Mechanical, damping and specific properties of new structural high-damping steel have been studied in the present research. Studied high-damping steel was specially produced by the JSC Severstal in order to obtain metallic material with specified level of damping and mechanical properties. Experiments show that the damping properties of industrial high-damping steel are comparable with damping properties of high-purity damping alloys, produced using laboratory equipment. Mechanical properties of the industrial high-damping steel were found to be comparable with the level of properties of well-

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FILONENKO, N. Yu, O. I. BABACHENKO, G. A. KONONENKO, and V. M. VOLCHUK. "THE INFLUENCE OF CHEMICAL COMPOSITION, HEATING TEMPERATURE AND COOLING RATE ON THE FORMATION OF STRUCTURAL COMPONENTS OF STEELS." Physical Metallurgy and Heat Treatment of Metals, no. 1 (100) (May 28, 2023): 52–60. http://dx.doi.org/10.30838/j.pmhtm.2413.280323.52.945.

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Problem statement. The formation of structural components starts with the hardening of steels. Therefore, it is important to investigate the influence of chemical composition, temperature of additional heating and cooling rate of the melt on the formation of structural components of steels. The purpose of the research – to compare the influence of the chemical composition, heating temperature and cooling rate on the formation of structural components in steels. Methods. To determine the features of the structural state of steels, we use microstructural analysis, X-ray microanalysis, X-ray diff

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Tyusenkov, A. S., A. V. Rubtsov, and R. R. Tlyasheva. "Heat Resistance of Certain Structural Steels." Solid State Phenomena 265 (September 2017): 868–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.868.

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Heat-resistance (scale resistance) is the steel corrosion fastness in dry gas at high temperatures. At the temperatures over 570 °С, the ferrous alloys oxidize, as ferric oxide (wustite) with simple cubic lattice appears on the metal surface. Such oxide lacks oxygen atoms (omission solid solution) and does not interfere with the diffusion between metal and oxygen. As a result of this process the brittle oxide-scale develops and the loss of metal increases. In order to increase the heat-resistance of steel, different alloying elements are included into its composition, forming oxides with the t

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Zhou, Li, Yong Huang, Bo Chen, Song Hu, and Chenyun Zhang. "Seismic Behavior of Large-Span Open-Web Floors Consisting of I-Shaped Steel Chords and Steel Tube Webs." Advances in Civil Engineering 2020 (October 20, 2020): 1–14. http://dx.doi.org/10.1155/2020/8872447.

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A composite large-span open-web floor (COF) system is introduced in this paper, which is composed of I-shaped steel chords, steel tube webs, and concrete slabs. One COF specimen was fabricated and tested under cyclic loadings. The failure process and hysteretic curve of the specimen were discussed in detail. Moreover, a finite element (FE) model was developed and verified by experimental results. A parametric study was performed to examine the effects of the concrete strength, steel strength, section steel thickness, and structural height. The parametric study demonstrates that the effects of

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Sandomirski, S. G. "Increasing the structural sensitivity of the residual magnetization and coercive force of steels." Дефектоскопия, no. 8 (August 15, 2023): 62–64. http://dx.doi.org/10.31857/s0130308223080079.

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The statistical analysis of measurement results of residual magnetization Mr and magnetization Ms of technical saturation of structural steels shows that ratio KS = Мr/Мs is much less sensitive to changes in phase composition of steels than Mr. Taking into account and more precise measurement of KS than Mr, it is offered to use the parameter KS for magnetic structuroscopy of medium-carbon steels in practically important range of variation of tempering temperature instead of Mr and coercive force Нс. It is shown, that the magnetic parameter ξ = Нс /Мs , at heat treatments, changing phase compos

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Karmazínová, Marcela, and Jindrich Melcher. "Classification of Structural Steel of Existing Civil Engineering Structure Based on Testing and Evaluation of Yield and Ultimate Strengths." Applied Mechanics and Materials 281 (January 2013): 585–88. http://dx.doi.org/10.4028/www.scientific.net/amm.281.585.

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The paper is generally focused on yield and ultimate strengths of structural steels. The attention is mainly paid to the testing and subsequent determination of steel strengths, especially from the viewpoint of the statistical evaluation aimed to obtain the strength values leading to the reliable structural design, in the meaning of general rules given by the European Standard for the structural design of civil engineering constructions. The presented paper deals with the actual yield and ultimate strengths obtained from material tests and their characteristic and design values based on the te

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Aftandiliants, Y. G. "The influence of chemical composition on the heat resistance of casted structural steel." Metaloznavstvo ta obrobka metalìv 97, no. 1 (March 15, 2021): 38–52. http://dx.doi.org/10.15407/mom2021.01.038.

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The paper presents the results of the study of the influence of chemical composition, temperature, stress and operating time on the creep and durability of structural steels. It is shown that the efficiency of structural steels in conditions of elevated temperatures and loads depends on the chemical composition, stress level, operating time and temperature. The influence of alloying elements is associated with the inhibition of the process of weakening of heat-resistant steels due to the reduction of their diffusion mobility and intensity of redistribution between the ferrite and secondary pha

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Bobyr, S. V., A. Yu Borisenko, O. V. Kuksa, and D. V. Loshkarev. "Analysis of phase-structural transformations during cooling of steels, taking into account the deformations and stresses." Fundamental and applied problems of ferrous metallurgy, no. 32 (2018): 349–60. http://dx.doi.org/10.52150/2522-9117-2018-32-349-360.

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The aim of the work is to study the phase-structural transformations during cooling of carbon and low-alloy steels, taking into account the resulting structural deformations and stresses. Low-alloyed steels with different content of alloying elements - chromium, molybdenum, nickel and steel, micro-alloyed with vanadium were chosen as the object of research. The dilatograms of steel samples were used to find the relative expansion of the steel sample before the start of austenite phase transformation (DA) and the relative expansion of the steel sample during austenite phase transformation (DFТ)

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Lee, Kang Min, Myung Jae Lee, Young Suk Oh, T. S. Kim, and Do Hwan Kim. "Compressive Testing of H-Shaped Steel Stub Columns Fabricated with Grade 800MPa High Performance Steel." Advanced Materials Research 671-674 (March 2013): 646–49. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.646.

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With the increased demand for high-rise and long-span structures, high strength with high performance steels have been utilized for these kind of structures. For the grade 800MPa high performance steel, although it was included in Korean Standard as high strength steel(HSA 800), however the HSA 800 steel was excluded in Korean Building Code-Structures due to the rack of research results for the structural behaviors of members fabricated with HSA 800 steel. Therefore, this paper describes basic study for the design specification of structural members using HSA 800 high performance steel. For th

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Gordienko, Valeriy, Sergey Repin, Alexander Vorobiev, and Angelica Abrosimova. "STRUCTURAL CHANGES IN STRUCTURAL STEELS DURING THERMAL CYCLING." Architecture and Engineering 6, no. 2 (2021): 70–76. http://dx.doi.org/10.23968/2500-0055-2021-6-2-70-76.

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Introduction: During experimental studies of structural steels responsible for the reliability of metal structures used, for example, in hoisting and transporting machinery, we established a correlation between the magnetic parameter Hp and characteristic changes in the metal microstructure during thermal cycling. It is shown that the Нр parameter depends on the initial structural state of steel, the amount and mass fraction of alloying elements, and the number of heating/cooling cycles. Methods: We found that an increase in the number of heating/cooling cycles and the amount of alloying eleme

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Razmyshlyaev, O. D., S. Yu Maksymov, O. M. Berdnikova, O. O. Prylypko, O. S. Kushnyaryova, and T. O. Alekseyenko. "Effect of external electromagnetic field configuration on metal structure of welded joints of structural steel." Paton Welding Journal 2022, no. 10 (October 28, 2022): 13–17. http://dx.doi.org/10.37434/tpwj2022.10.02.

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Dudkiewicz, Jacek, Bronisław Gosowski, and Piotr Organek. "Assessing The Stregth And Weldability Of Historic Structural Steel." Civil And Environmental Engineering Reports 18, no. 3 (September 1, 2015): 33–44. http://dx.doi.org/10.1515/ceer-2015-0034.

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Abstract In practice, in the design stage of revitalization, renovation or reinforcement, there is often a need to determine the strength of steel as well as its weldability. The strength of steel can be determined in two ways: directly through destructive testing or indirectly - by the Brinell hardness test. In the case of weldability, this turns out to be much more difficult, because there are three groups of factors which determine this property, i.e.: local weldability, operative weldability, and overall weldability. This paper presents the results of the verification of the relationship b

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Filonenko, N. Yu, О. І. Babachenko, and G. A. Kononenko. "Effect of microalloying of carbon steel with titanium, aluminum and nitrogen on structural peculiarities and mechanical properties." Fundamental and applied problems of ferrous metallurgy 37 (2023): 522–33. http://dx.doi.org/10.52150/2522-9117-2023-37-522-533.

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The purpose of this paper is to investigate the effect of microalloying with titanium, nitrogen, and aluminum on the set of mechanical properties of carbon steels with increased manganese and silicon content. This is due to the fact that steels with improved mechanical and operational properties are of great significance in the current situation of technology development. The studies are based on a comparison of the mechanical properties of known steel grades 2 and T, experimental industrial steel grade K and steels microalloyed with complexes – aluminum, titanium and nitrogen; aluminum and ni

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BENDIKIENE, Regita, Aliaksandr BAHDANOVICH, Ramunas CESNAVICIUS, Antanas CIUPLYS, Vytautas GRIGAS, Audrius JUTAS, Dzianis MARMYSH, et al. "Tribo-fatigue Behavior of Austempered Ductile Iron MoNiCa as New Structural Material for Rail-wheel System." Materials Science 26, no. 4 (August 17, 2020): 432–37. http://dx.doi.org/10.5755/j01.ms.26.4.25384.

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This research presents the results of tribo-fatigue behavior of austempered ductile cast iron MoNiCa and gives a comparison with standard grades of steel and cast iron. Due to the possibility to combine the castability of cast iron and toughness of steel in one material, new structural material MoNiCa attracted attention of industry and science because of economic benefits and high performance at the different application areas. After successful former experiments the main directions of further development of research for solving relevant practical wear and fatigue problems in rail-wheel syste

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Santos, João de Jesus dos, André Tenchini da Silva, Luciano Rodrigues Ornelas de Lima, Pedro Colmar Gonçalves da Silva Vellasco, Sebastião Arhur Lopes de Andrade, and José Guilherme Santos da Silva. "Numerical and experimental assessment of stainless and carbon bolted tensioned members with staggered bolts." Rem: Revista Escola de Minas 66, no. 2 (June 2013): 165–72. http://dx.doi.org/10.1590/s0370-44672013000200005.

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Current stainless steel design codes, like the Eurocode 3, part 1.4, (2006), are still largely based on analogies with carbon steel structural behavior. The net section rupture represents one of the ultimate limit states usually verified for structural elements submitted to normal tension stress. An investigation aiming to evaluate the tension capacity of carbon and stainless steel bolted structural elements was performed and in this article, the results are discussed and compared in terms of stress distribution, and force-displacement curves, among others. The result assessment was done by co

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