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Journal articles on the topic 'Steel development of the region'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Matrosov, Yu I., O. A. Bagmet, and A. O. Nosochenko. "Development of Modern Heavy Plate Steels for Pipelines." Materials Science Forum 539-543 (March 2007): 4756–61. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.4756.

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Azovstal Iron & Steel Works (Ukraine) together with I.P. Bardin Central Research Institute (Russia) carry out research intended for development and realization of new HSLA-steels for large diameter gas pipelines of strength categories X60 through X80. A concept that has been recently adopted for creation of new pipeline steels calls for lower carbon content, bigger role of Nb microalloying, economical alloying with elements improving austenite resistance to perlite transformation, thermomechanical controlled rolling with strain finishing in two-phase γ+α-region. This paper describes the re

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2

Welman, Lesley, and Sanette L. A. Ferreira. "Regional development of Saldanha Bay region, South Africa: The role of Saldanha Steel." Bulletin of Geography. Socio-economic Series 26, no. 26 (2014): 219–31. http://dx.doi.org/10.2478/bog-2014-0055.

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Abstract Since 1970 the Saldanha Bay region on the West Coast of the Western Cape Province has been high on South Africa’s national development agenda. The region has been struggling for years to meet the preconditions for economic take-off. In this analysis the Saldanha Bay region is positioned in the contexts of global competition among steel-producing countries, South Africa’s national development plan and the Greater Cape Town functional region. The aim is to explain the nature and extent of the relationship between a single secondary industry - ArcelorMittal Saldanha - and the economic de

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Poletskov, Pavel, Marina Gushchina, Marina Polyakova, et al. "Development of Alloyed Pipe Steel Composition for Oil and Gas Production in the Arctic Region." Resources 8, no. 2 (2019): 67. http://dx.doi.org/10.3390/resources8020067.

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Gas and oil pipelines for the Arctic region must sustain low temperatures and high internal pressures of a corrosive active medium. Generation of new steel compositions for oil and gas pipelines is an urgent issue in order to ensure their high reliability. Low-carbon steels with a ferritic–pearlitic structure are normally used in pipe production, but they are unable to cope with increased market demands. The main objective of this study is to investigate the influence of the cooling rate on the structure and morphological characteristics of bainite, which determines the exploitation properties

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Zhang, Zhen Dong, Hai Tao Zhou, Xiang Hua Liu, Si Jun Li, Jie Dong, and Xiao Zhou. "Development of Processing Maps for Coiled Tubing Steel." Advanced Materials Research 415-417 (December 2011): 955–59. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.955.

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Hot compression test of coiled tubing steel is performed on Gleeble3500 at 1123K—1373K and strain rate from 0.001 to 5s-1. The hot deformation behavior of coiled tubing steel was characterized using processing map developed on the basis of the dynamic materials model. The processing map gives the flow instable region and the flow stable region in which the process of dynamic recovery (DRV) and the dynamic recrystallization (DRX) occur. In the processing map, the variation of the efficiency of the power dissipation is plotted as a function of temperature and the strain rate. According to the pr

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Xu, Jianming, Qinfei Yu, and Xiaoyang Hou. "Sustainability Assessment of Steel Industry in the Belt and Road Area Based on DPSIR Model." Sustainability 15, no. 14 (2023): 11320. http://dx.doi.org/10.3390/su151411320.

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The steel industry in the Belt and Road region holds significant potential for development, and the systematic evaluation of its sustainable development capacity serves as a crucial foundation for improving the investment environment in the steel industry. This study focuses on the driving forces, pressures, current status, impacts, and policy responses of the steel industry, constructing an evaluation model for the sustainable development of the steel industry in the Belt and Road region. Using this model, the sustainable development capacity of the steel industry (SCSI) in 65 countries along

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Malyshev, M. K. "The Role of Big Business in the Development of Territories (Illustrated by Steel-Making Corporations of Russia)." Vestnik of the Plekhanov Russian University of Economics 17, no. 6 (2020): 144–55. http://dx.doi.org/10.21686/2413-2829-2020-6-144-155.

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The author tries to investigate the role of ferrous metallurgy in the regional development. From 2012 to 2019 steelmaking works of the Vologda region (‘Severstal’), Chelyabinsk region (‘MMK’) and Lipetsk region (‘NLMK’) increased the volume of steel production by 12.1, 1.8 and 5.3%, respectively. These enterprises play a dominant role in shaping profit tax in these regions, especially ‘NLMK’, whose average specific weigh of the profit tax in its total amount in the Lipetsk region made up 57.9%. Analysis of steel-making works’ settlements with the budget system of the Russian Federation showed

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Rao, Srikrishna Bhaskar, K. Venkadeshwaran, and Y. Naidu Shivaprasad. "Research and Development Status of Laser Cladding on Stainless Steel Alloys: A Review." Materials Science Forum 1110 (December 19, 2023): 35–54. http://dx.doi.org/10.4028/p-krjm2d.

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Stainless steels as one of the most appealing structural material in many fields of industries because of its resistance to corrosion, high tensile strength, durability, temperature resistant etc. To improve its surface properties and overcome issues like large heat affected zones, poor surface quality, and limited dissolvability, researchers have explored surface modifications through laser cladding. This paper gives a detailed review about the work done in recent years, in the region of laser cladding of different grades of stainless-steel alloys with different coating materials highlighting

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Garbarz, B., M. Adamczyk, and B. Niżnik-Harańczyk. "Development of Structural Steel Containing 3÷5 wt% Al with Microlaminated Microstructure." Archives of Metallurgy and Materials 62, no. 4 (2017): 2309–15. http://dx.doi.org/10.1515/amm-2017-0340.

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AbstractThe aim of this work was to develop basic parameters of hot rolling and controlled cooling technology allowing to obtain the microlaminated (lamellar) microstructure in a lean-alloy structural steel containing 3÷5 wt % Al. Thermo-mechanical rolling tests of two experimental steels were carried out in a semi-industrial line comprising a one – stand reversing rolling mill. The final microstructure of the specimens subjected to rolling in theγ+αstability region characterised with the microlaminated morphology composed of lamellae of ferrite with thickness down to 1 μm or less and lamellae

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9

Sandeep, M. S., Praveen Nagarajan, and A. P. Shashikala. "Development of Models for Predicting Strut Efficiency Factors for Conventional and Steel Fibre Reinforced Concrete Deep Beams." Materials Science Forum 969 (August 2019): 187–92. http://dx.doi.org/10.4028/www.scientific.net/msf.969.187.

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Commonly used analysis and design methods are applicable only to Bernoulli’s region or B-region where strain distribution is linear. Due to the peculiarity of the geometry for certain structural members like deep beams, corbels, etc, their entire strain distribution is nonlinear. Hence, they will act as discontinuous regions or D-regions where strain distribution is nonlinear. The designers are forced to depend on empirical relations and their past experience for designing such elements. Since, deep beams form an important structural element in bridges and high-rise buildings as pier caps and

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Šebek, Martin, Peter Horňak, Svätoboj Longauer, Peter Zimovčák, and Pavol Zahumenský. "Relationship of Microstructure and Mechanical Properties of Dual Phase Steel after Various Annealing Conditions." Materials Science Forum 891 (March 2017): 176–81. http://dx.doi.org/10.4028/www.scientific.net/msf.891.176.

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The development of ultrafine ferrite grain size has become one of attractive way how to improve the behavior of dual phase (DP) steels. The other possible way how to enhance mechanical properties of DP steels is to modify the chemical composition. Therefore object of our investigation was the dual phase steel with modified alloying (three times higher Cr content with addition of phosphorus). The dual phase steel was annealed in laboratory conditions in accordance with three specified annealing cycles: into intercritical region (780°C), into austenite region (920°C) and into austenite region (9

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Farayibi, P. K., M. Blüm, and S. Weber. "Hard Cladding by Supersolidus Liquid Phase Sintering: An Experimental and Simulation Study on Martensitic Stainless Steels." Metallurgical and Materials Transactions A 51, no. 11 (2020): 5818–35. http://dx.doi.org/10.1007/s11661-020-05953-4.

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Abstract Martensitic stainless steels are suitable for diverse structural applications but degrade when subjected to wear-prone activities in service. To enhance their service life, the densification of high Cr, martensitic, X190CrVMo20-4-1 tool steel powder on two different martensitic stainless steel substrates via supersolidus liquid-phase sinter (SLPS) cladding was investigated. The objective was to assess the influence of the difference in compositions of the martensitic stainless steels employed as substrates on the interfacial diffusion, microstructure, hardness and bonding strength of

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12

Han, Jae-Yeon, Yoon-Hwan Jo, Chiwon Kim, Chang-Hoon Lee, Joonoh Moon, and Hyun-Uk Hong. "Influence of Oxide Inclusions on the Creep Properties of Electron Beam Welds in Ti-added Reduced Activation Ferritic/Martensitic Steel." Journal of Welding and Joining 42, no. 3 (2024): 282–91. http://dx.doi.org/10.5781/jwj.2024.42.3.6.

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In this study, the effects of reducing oxide inclusions on the microstructure, tensile properties at 550 ℃, and creep resistance of electron beam welded (EBW) joints in Ti-added reduced activation ferritic/martensitic (RAFM) steel were investigated. Two RAFM steels, designated as Steel A and Steel B, were prepared by adjusting the Al and Si contents to contain different fractions of oxide inclusions. The microstructures of the base metal and heat-affected zone (HAZ) were analyzed, and the mechanical properties of the welds were evaluated. Reducing the Al and Si content in Steel B resulted in a

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Huang, Xian Ning, and Shu Guang Jiang. "Optimal Design of Steel Structure Residential Buildings in Xinjiang Region." Applied Mechanics and Materials 174-177 (May 2012): 1784–87. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.1784.

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There are a long winter and a short outdoor construction period in Xinjiang, being an earthquake-prone area. Therefore, it is particularly suitable for the development of steel structure residential buildings. This article explains the current problems in the design of steel structure residential buildings in Xinjiang region. For example, the backward concept of design, the random design of kitchen and bathroom, which leads to too many specifications, being not conducive to industrial production and large amount of steel using , etc. The optimal design ideas were put forward, which included ar

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14

Nikiforova, Vira. "Long-term factors and trends of the Ukrainian steel industry development." Economy of Industry 1, no. 97 (2022): 32–60. http://dx.doi.org/10.15407/econindustry2022.01.032.

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The paper deals with the study of long-term factors and trends of the Ukrainian steel industry development in the context of the influence of global industry trends. Its relevance is explained by the importance of the industry in the global and Ukrainian economy and the need to take into account modern economic, technological, social and climate challenges and opportunities for its future development. It was defined that leading factors of the world steel industry development in the long run are the demand for steel products, the implementation of latest technologies and the strengthening of a

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15

Xoshimov, Pazliddin, and Dostonbek Ustajalilov. "INNOVATION CLUSTER AS AN IMPORTANT FACTOR OF THE DEVELOPMENT OF THE METALLURGY INDUSTRY OF TASHKENT REGION." INNOVATIONS IN ECONOMY 5, no. 3 (2020): 75–80. http://dx.doi.org/10.26739/2181-9491-2020-5-11.

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Authors reveal the meaning of the cluster as a tool in the development of industry of regions. The main ideas of M. Porter on the prerequisites for the development and structure of the cluster are characterized. The main types of the cluster are identified based on its features. The potential of the metallurgical industry of Tashkent region and its prospects for the development in the framework of the innovation cluster “Steel Progress” are described and analyzed

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16

Sopko, Martin, František Kováč, Ivan Petryshynets, Mária Molnárová, and Petra Gavendová. "Differential Scanning Calorimetry and Metallographic Analysis of Fe-Si Electrical Steel." Materials Science Forum 782 (April 2014): 129–32. http://dx.doi.org/10.4028/www.scientific.net/msf.782.129.

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The microstructure development in cold rolled electrical steel under dynamic heat treatments was subjected to investigation. Significantly distinguish types of microstructures were obtained in the investigated steels confirming the different character of grain boundary motion. Application of annealing temperature within two phase region (austenite+ferrite) leads to abnormal grain growth in silicon steels. Moreover, in the optimum temperature range, there was a particular temperature leading to the most optimal microstructure and texture[1]. The effect of Si content on the phase transition temp

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17

Korneeva, E. V. "INDUSTRIAL WASTE FOR BACKFILLING GOAF SPACES IN COAL AND ORE MINES IN KUZBASS." Вестник ВСГУТУ 1, no. 92 (2024): 97–106. http://dx.doi.org/10.53980/24131997_2024_1_97.

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Coal mining and mining enterprises are the basis of the Kemerovo region economy. Comprehensive assessment of their impact on the environment showed the activation of exogenous geological processes: dips formed over previously liquidated inclined and vertical mine shafts; waterlogging; drawdowns and landslides. In the flooded goaf spaces of mines the structure of rocks is disturbed, the fixing material of the workings is destroyed, forming dips and subsidence troughs. Traditional goaf backfilling technologies using cement, sand and gravel make products more expensive, what makes coal mining and

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18

Zhang, Junfeng, Jianxu Liu, Jing Li, Yuyan Gao, and Chuansong Zhao. "Green Development Efficiency and Its Influencing Factors in China’s Iron and Steel Industry." Sustainability 13, no. 2 (2021): 510. http://dx.doi.org/10.3390/su13020510.

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Analyzing the potential for green development and its influencing factors is an important part of the energy savings and low-carbon economic growth of China’s iron and steel industry (ISI). Many studies have concentrated on improving the ISI’s energy use and pollution control efficiencies, analyzing the influencing factors from the perspectives of regions and firms. However, no study has focused on measuring the provincial green development efficiency (GDE) in the ISI. The selected driving forces of the GDE do not consider regional or industrial characteristics. In this study, based on provinc

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Zhang, Junfeng, Jianxu Liu, Jing Li, Yuyan Gao, and Chuansong Zhao. "Green Development Efficiency and Its Influencing Factors in China’s Iron and Steel Industry." Sustainability 13, no. 2 (2021): 510. http://dx.doi.org/10.3390/su13020510.

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Analyzing the potential for green development and its influencing factors is an important part of the energy savings and low-carbon economic growth of China’s iron and steel industry (ISI). Many studies have concentrated on improving the ISI’s energy use and pollution control efficiencies, analyzing the influencing factors from the perspectives of regions and firms. However, no study has focused on measuring the provincial green development efficiency (GDE) in the ISI. The selected driving forces of the GDE do not consider regional or industrial characteristics. In this study, based on provinc

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20

Prasetyo, Anang, Efi Afrizal, and Nazaruddin Nazaruddin. "Development of Rotary Fatigue Test Equipment Based on the Joseph Marin Approach." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 67, no. 3 (2023): 95–100. http://dx.doi.org/10.36842/jomase.v67i3.344.

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This paper proposed the development of rotary fatigue test equipment. This equipment was used to test the JIS S45C steel, validated using the Joseph Marin approach. Analyzing the fatigue strength of JIS S45C steel using the Joseph Marin approach was compared to experimental testing. The dimension of the test specimens was based on the ASTM E 466. The test data was displayed in the form of an S-N curve. The test results showed the fatigue strength of JIS S45C steel on the whole that was close to each other, experimentally and using the Joseph Marin approach. In the infinite life region, it is k

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Savenok, A. N. "STATUS AND PROSPECTS OF DEVELOPMENT OF METALLURGICAL PRODUCTION IN BELARUS." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 4 (January 4, 2018): 10–15. http://dx.doi.org/10.21122/1683-6065-2017-4-10-15.

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A brief analysis of the status and prospects of development of metallurgical complex of the Belarus Republic is given in the article. Statistics of the structure of manufacturing sector by types of economic activities, including metallurgical production, in the Republic of Belarus as a whole and by regions is provided. It was noted that the largest share in the regional scale – 15.6% of metallurgy exists in Gomel region, due to the location of the main flagship of the Belarusian industry – the Belarusian steel works in Zhlobin city of Gomel region. Thanks to the systematic reconstruction and u

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Morito, S., T. Ohba, and Tadashi Maki. "Comparison of Deformation Structure of Lath Martensite in Low Carbon and Ultra-Low Carbon Steels." Materials Science Forum 558-559 (October 2007): 933–38. http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.933.

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The microstructural development of cold-rolled lath martensite structure in the low carbon steels and ultra-low carbon steels are studied and compared. In low carbon steel of as-quenched specimens, very thin austenite films exist at boundaries of adjacent laths, but do not exist in ultra-low carbon steel. After cold rolling for the low carbon steel, the lamellar dislocation cells, irregularly bent laths and kinked laths regions are frequently observed and, in some instances, the disappearance of initial lath boundaries is observed. The existence of retained austenite films suggests that the la

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Gautam, J. Prakash, A. Miroux, Jaap Moerman, and Leo Kestens. "Tnr Dependent Hot Rolling Microstructure and Texture Development in C-Mn Dual Phase and HSLA Steels." Defect and Diffusion Forum 391 (February 2019): 120–27. http://dx.doi.org/10.4028/www.scientific.net/ddf.391.120.

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No recrystallization of austenite, Tnr, has an important influence on the transformed phase fractions and the final crystallographic texture after hot deformation. This paper investigates the evolution of microstructure and texture components during hot-rolling in two austenitic region based on Tnr along with three different cooling trajectory and coiling in dual-phase steels and high strength low alloys steel. The recrystallization of the austenite, the austenite deformation followed by the austenite-to-ferrite transformation influence the final microstructure and texture in dual phase steels

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Tressia, Gustavo, Tiago Tepedino, Mohammad Masoumi, and Juan Ignacio Pereira. "Microstructural Evolution and Strain-Hardening Behavior in Hadfield Steel Railway Crossings." Tribology in Industry 46, no. 4 (2024): 639–50. https://doi.org/10.24874/ti.1744.08.24.10.

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This work examines defect (spalling) in a railway crossing (frog) removed from a heavy-haul railway after 120 Milling Gross Tons (MGT). The frog was manufactured using standard Hadfield steel. The steel microstructure evolution was analyzed to understand crack initiation and propagation during service. Scanning electron microscopy (SEM), X-ray diffraction, and electron backscattered diffraction (EBSD) methods were employed to characterize microstructural changes near the crack region. Furthermore, local mechanical properties were assessed using nanoindentation tests and sub size tensile tests.

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Hamarashid, Roshna A., Željka Fiket, and Ibrahim M. J. Mohialdeen. "Environmental Impact of Sulaimani Steel Plant (Kurdistan Region, Iraq) on Soil Geochemistry." Soil Systems 6, no. 4 (2022): 86. http://dx.doi.org/10.3390/soilsystems6040086.

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Steel is an indispensable material that is used in a wide range of products and that contributes significantly to economic development. However, steel production can affect soil quality and is associated with the pollution of local areas. Therefore, the objective of this study was to investigate the mineral and geochemical composition of soils in the vicinity of the Sulaimani Steel Plant (SSP) in Bazian Region, Kurdistan, Iraq. A total of 35 soil samples were collected in the vicinity of SSP. The samples were analyzed for their mineral and geochemical composition, including 10 major, and 40 tr

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Matsuoka, Saiji, Kei Sakata, Susumu Satoh, and Toshiyoki Kato. "Development of a {111} Recrystallization Texture Associated With Dynamic Strain Aging During Hot Rolling in the Ferrite Region." Textures and Microstructures 22, no. 2 (1993): 113–26. http://dx.doi.org/10.1155/tsm.22.113.

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Hot rolling in the ferrite region is applied in an extra-low C sheet steel without cold rolling by employing dynamic strain aging. When the amount of solute C is about 10 ppm before rolling, the r-value and {222} intensity ratio of sheet steel annealed after rolling are maxima at the rolling temperature of 773K, during which dynamic strain aging occurs. The {222} residual strain in the specimen rolled at 773K is higher than that in specimens rolled at other temperatures. It is proposed that dynamic strain aging would provide high stored energy in the {111} component of an as-rolled specimen, w

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Thanh, Nguyen Hong. "ON THE ISSUE OF ENSURING COMPETITIVENESS OF THE VIETNAM STEEL INDUSTRY." EKONOMIKA I UPRAVLENIE: PROBLEMY, RESHENIYA 9/4, no. 139 (2023): 51–56. http://dx.doi.org/10.36871/ek.up.p.r.2023.09.04.007.

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This article analyzes the competitiveness of the steel industry in Vietnam. Vietnam is one of the leading steel producers in the Asian region and at the same time has significant potential for further development of this industry. The article examines various factors contributing to the competitiveness of the Vietnamese steel industry, including the impact of country differences and determinants of competitive advantages of China, Russia, India, South Korea, affects the development of the steel industry in Vietnam. The challenges and problems faced by enterprises of this industry are also anal

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Shaibakova, Lyudmila F., Alexander V. Kurdyumov, and Natalia S. Gromova. "Assessing Development Trends and Issues Production of Steel Pipes in the Russian Federation." Общество: политика, экономика, право, no. 12 (December 20, 2023): 90–98. http://dx.doi.org/10.24158/pep.2023.12.11.

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The article analyzes the current state of global steel production and Russian production of steel pipes, hollow sections and pipe fittings. It is noted that Russia’s share in global steel production has declined and in 2023 it took the fifth place in the ranking of the largest producers. According to the methodology of the Federal Anti-monopoly Service, an assessment of the economic concentration of the Russian market was made, a conclu-sion was made about the moderation of its concentration, that is, a sufficiently high level of competition devel-opment. Five leading pipe manufacturing enterp

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Kučerová, L., H. Jirková, and B. Mašek. "The Effect of Alloying on Mechanical Properties of Advanced High Strength Steels." Archives of Metallurgy and Materials 59, no. 3 (2014): 1189–92. http://dx.doi.org/10.2478/amm-2014-0206.

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Abstract Quenching and partitioning process with incorporated incremental deformation was optimized for six high strength steels with various contents of carbon (0.4-0.6%), manganese (0.6-1.2), silicon (2-2.6%) and chromium (0.8-1.3%). The optimization was gradually done for each steel with respect to the final microstructures and properties. The effect of cooling rate, quenching and partitioning temperature on microstructure development was further investigated. Interesting combinations of mechanical properties were obtained, with tensile strength in the region of 1600-2400 MPa and ductility

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Nesterova, Ekaterina Vyacheslavovna, Aleksandr Grigorievich Verevkin, and Nataliya Vladimirovna Prokhorova. "The influence of carbon steel chemical composition on the biochemical activity of sessile sulfate-reducing bacteria." Samara Journal of Science 10, no. 4 (2021): 87–92. http://dx.doi.org/10.17816/snv2021104113.

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The technogenic failure caused by biological corrosion of pipelines and other oilfield equipment is an urgent problem for all oil-producing countries of the world. It has been established that many types of corrosion are initiated by the development of sulfate-reducing bacteria on the inner pipe surfaces. This paper presents the results of model laboratory experiments aimed at assessing the effect of the chemical composition of pipeline steel on the number and biochemical activity of sulfate-reducing bacteria development on its surface. Three chromium-containing corrosion-resistant steels were

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Miranda, R. M., L. Quintino, S. Williams, and D. Yapp. "Welding with High Power Fiber Laser API5L-X100 Pipeline Steel." Materials Science Forum 636-637 (January 2010): 592–96. http://dx.doi.org/10.4028/www.scientific.net/msf.636-637.592.

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The increasing length of oil and gas transportation pipelines, associated with their construction and operating costs, has lead to the development of new steel grades with higher performance. The API 5L- X100 is a new high strength steel for pipeline applications which enables the use of thinner walled pipes, lighter to transport and easier to handle on site, allowing greater operating pressures and reducing overall costs. However, this steel grade has limited ductility. Since advantages largely surpass disadvantages, these materials are being seen adequate for earthquake risk areas and low te

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Malyugina, Svetlana, Sergey Mokrushin, Anna Mayorova та ін. "Incipience and development of spall fracture in 30KHGSA steel, α↔ε transformation, spall fracture and damage recovery". EPJ Web of Conferences 183 (2018): 03022. http://dx.doi.org/10.1051/epjconf/201818303022.

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Results of investigation into strength and elasto-plastic properties of 30KhGSA steel are presented. The investigation was performed with planar samples using submicrosecond shockwave length technique. Shockwave amplitude varied in the range from 4 to 26 GPa and controlled with 0.2% accuracy. Steel sample temperature varied in the range from-90 °C to 670 °C. Stress wave profiles in the samples were registered with VISAR and PDV interferometers having nanosecond time resolution and measurement error better than 0.8%. Special attention was payed to the study of spall fracture incipience and deve

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Long, Guanxu, Ruigen Zhou, Haiying Ma, Gongfeng Xin, Seyyedbehrad Emadi, and Xuefei Shi. "Experimental and Numerical Study on UHPC–RC Decks within Hogging Moment Region." Applied Sciences 12, no. 22 (2022): 11446. http://dx.doi.org/10.3390/app122211446.

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Steel–concrete composite continuous bridges can take full advantage of concrete and steel, but in regions with hogging moments, cracking of the concrete deck is a big issue affecting the durability of bridges. In order to solve cracking problems within the hogging moment region, this study proposes a composite deck method using ultra-high-performance concrete (UHPC) and regular concrete (RC). In this way, the layers of UHPC and RC are composited to take advantage of the high tensile strength of UHPC materials to improve the anti-crack performance of the concrete deck within the hogging moment

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Gutiérrez-Castañeda, Emmanuel, Carlos Galicia-Ruiz, Lorena Hernández-Hernández, et al. "Development of Low-Alloyed Low-Carbon Multiphase Steels under Conditions Similar to Those Used in Continuous Annealing and Galvanizing Lines." Metals 12, no. 11 (2022): 1818. http://dx.doi.org/10.3390/met12111818.

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In the present work, a Cr+Mo+Si low-alloyed low-carbon steel was fabricated at laboratory scale and processed to produce multiphase advanced high-strength steels (AHSS), under thermal cycles similar to those used in a continuous annealing and galvanizing process. Cold-rolled steel samples with a microstructure constituted of pearlite, bainite, and martensite in a matrix ferrite, were subjected to an intercritical annealing (817.5 °C, 15 s) and further isothermal bainitic treatment (IBT) to investigate the effects of time (30 s, 60 s, and 120 s) and temperature (425 °C, 450 °C, and 475 °C) on t

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Ramachandran, S., A. Lakshminarayanan, P. Reed, and J. Dulieu-Barton. "Development of High-Fidelity Imaging Procedures to Establish the Local Material Behavior in Friction Stir Welded Stainless Steel Joints." Metals 9, no. 5 (2019): 592. http://dx.doi.org/10.3390/met9050592.

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Friction stir welded (FSW) 304 austenitic stainless steel (SS) joints are studied using a range of microstructural characterization techniques to identify various sub-regions across the weld. A high-resolution (HR) 2D-digital image correlation (DIC) methodology is developed to assess the local strain response across the weld surface and cross-section in the elastic regime. The HR-DIC methodology includes the stitching of multiple images, as it is only possible to partially cover the FSW region using a single camera with the high-resolution optical set-up. An image processing procedure is descr

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Furusako, Seiji, Shinji Kodama, Masanori Yasuyama, and Yasunobu Miyazaki. "Development of the Projection Welding Technology for High-Strength Steel Sheets." Materials Science Forum 941 (December 2018): 182–89. http://dx.doi.org/10.4028/www.scientific.net/msf.941.182.

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High-strength steel sheets (HSSs) have been increasingly used to reduce the weight of automobile bodies. It is necessary to enhance the reliability of their joint strength in order to realize optimal usage. Projection welding (PW) is one of the important welding methods for HSSs; however, research on PW is insufficient. In this research, therefore, the effect of welding conditions on maximum load in the press-peel test for joints, made by PW HSS of 590 MPa grade and square weld nuts, was investigated. It is found that the maximum load showed a tendency to increase with an increase in the curre

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Che Hasan, Asmawati, Zulkiflee Yusof, Nur Muizzah Nawi, Nazri Nasir, Raja Nor Husna Raja Mohd Noor, and Herda Balqis Ismail. "Estimation Model of Steel Waste Material: Verification on the Effectiveness of Multiple Regression Analysis." Applied Mechanics and Materials 873 (November 2017): 164–69. http://dx.doi.org/10.4028/www.scientific.net/amm.873.164.

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Construction industry is one of the most important sectors for the Malaysian economic growth where it remains as the fastest growing activity for several years. The issue of rapid country development which has positive influence of generating high construction waste is very commonly related to this industry. One of the major contributors of construction waste is steel. Steel is expensive and can contribute to overall project cost implication. Hence, the amount of steel waste needsto be quantifiedat the initial stage. Thus,steel waste quantification model is an important element to be considere

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Ward, S. M., A. J. Burns, S. Torihashi, S. C. Harney, and K. M. Sanders. "Impaired development of interstitial cells and intestinal electrical rhythmicity in steel mutants." American Journal of Physiology-Cell Physiology 269, no. 6 (1995): C1577—C1585. http://dx.doi.org/10.1152/ajpcell.1995.269.6.c1577.

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Electrical rhythmicity in the gastrointestinal tract may originate in interstitial cells of Cajal (IC). Development of IC in the small intestine is linked to signaling via the tyrosine kinase receptor, c-kit. IC express c-kit protein, and disruption of c-kit signaling causes breakdown in IC networks and loss of slow waves. We tested whether mutations in steel factor, the ligand for c-kit, affect the development of IC networks. IC were found in the region of the myenteric plexus (IC-MY) in mice with steel mutations (i.e., Sl/Sld) at 5-10 days postpartum, but these cells formed an abnormal netwo

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Song, Min-Kyu, Eunsoo Choi, and Jong-Han Lee. "Development and Performance Evaluation of a Mechanical Connection for Steel and Shape Memory Alloy Bars." Metals 14, no. 3 (2024): 300. http://dx.doi.org/10.3390/met14030300.

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Shape memory alloys (SMAs) demonstrate a shape memory effect and superelasticity that can provide recovery performance to structural members. In this study, a round SMA bar was designed to replace the conventional deformed steel bar, particularly within the plastic hinge section of structural members. To integrate the SMA bar and the existing steel bar, a mechanical coupler was proposed by utilizing the advantages of both one-touch and threaded couplers. Uniaxial tensile tests were conducted to analyze the performance of the proposed coupler and the mechanical properties of the SMA–steel conne

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Toribio, Jesús, Francisco-Javier Ayaso, and Rocío Rodríguez. "Pearlite Interlamellar Spacing and Vickers Micro-Hardness in the Necking Region of Cold-Drawn Pearlitic Steel Wires." Metals 13, no. 8 (2023): 1401. http://dx.doi.org/10.3390/met13081401.

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The final aim of this paper is to study the microstructural changes in the necking region of progressively cold-drawn pearlitic steel wires by means of a thorough and detailed analysis of pearlite interlamellar spacing and Vickers micro-hardness in this special region. To this end, a set of progressively cold-drawn pearlitic steel wires belonging to a real manufacturing chain were subjected to standard tension tests, in such a manner that the tests were interrupted before the final fracture, i.e., the test development was aborted just at the necking instant. The microstructural changes during

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Jaras, Arūnas, and Rimantas Kačianauskas. "ELASTIC-PLASTIC ANALYSIS OF BISTEEL I-SECTION BEAMS/BIMETALIŲ DVITĖJŲ SIJŲ BŪVIO ANALIZĖ, ĮVERTINANT PLASTINIŲ DEFORMACIJŲ ĮTAKĄ." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 7, no. 2 (2001): 122–30. http://dx.doi.org/10.3846/13921525.2001.10531713.

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The elastic-plastic analysis of simple bisteel I-section beam subjected to uniform distributed load (Fig 1) is considered in this paper. The bisteel beam presents a composition of high-strength steel inclusions for the flanges in the region of maximum stresses and of low-strength steel for remaining volume of the beam. The aim of the paper is development of the explicit analytical model for description of plastic regions with respect to different steel properties as well as to dimensions of high-strength inclusions. The geometrical linear approach and perfectly plastic material model have been

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Li, Chuanxi, Yue Yao, Zhendong Li, and Bohai Ji. "Study on the Impact of Diaphragm Deformation on Fatigue Performance and Maintenance Strategies in Steel Bridge Decks." Applied Sciences 15, no. 8 (2025): 4245. https://doi.org/10.3390/app15084245.

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Localized diaphragm (transversal plate) deformation and buckling were identified at the arc notch region during structural inspections of an operational steel bridge. To evaluate the potential structural consequences, alterations in the fatigue performance and stress characteristics induced by this deformation were systematically investigated through in situ monitoring combined with numerical simulation. It was demonstrated that the global load-transfer mechanism of the orthotropic steel deck (OSD) system remained minimally compromised. While within the localized deformation zone, the stress m

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Eghbali, B. "Microstructural development in a low carbon Ti-microalloyed steel during deformation within the ferrite region." Materials Science and Engineering: A 480, no. 1-2 (2008): 84–88. http://dx.doi.org/10.1016/j.msea.2007.06.084.

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Kang, Hyun, Heung Youl Kim, and Oh Sang Kweon. "Evaluation of Behavioral Characteristics of the Fire Resistant Paint by Exposure Temperature." Fire Science and Engineering 37, no. 5 (2023): 44–52. http://dx.doi.org/10.7731/kifse.7db87c58.

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In Korea, industrial complexes for manufacturing and producing various products have been established in the region. Owing to their rapid development and ease of management, most industrial complexes are composed of steel-structured buildings, and only few buildings are reinforced concrete structures. Steel-structure buildings are generally known to have relatively low fire resistance depending on their material characteristics, which necessitates additional fire resistance reinforcement procedures to ensure structural safety. In this study, we experimentally evaluated the behavioral character

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Sumer, Ali, Robert B. Fleischman, and Blake E. Hoskisson. "Development of A Cast Modular Connector for Seismic-Resistant Steel Moment Frames Part I: Prototype Development." Engineering Journal 44, no. 3 (2007): 195–221. http://dx.doi.org/10.62913/engj.v44i3.916.

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A cast modular connector (MC) has been developed for use in seismic-resistant steel moment frames. The MC is a field bolted beam flange connection intended to serve as the frame's special energy-dissipating detail. The connector is specifically configured for optimal seismic performance through a casting process. The MC possesses inherent ductility through variable-section arms that minimize plastic strain demand and a reliable yet economical fastening method through a base end-region that virtually eliminates prying forces on bolts. This paper focuses on the development of a Beta prototype de

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Bedell, Mary A., Neal G. Copeland, and Nancy A. Jenkins. "Multiple Pathways for Steel Regulation Suggested by Genomic and Sequence Analysis of the Murine Steel Gene." Genetics 142, no. 3 (1996): 927–34. http://dx.doi.org/10.1093/genetics/142.3.927.

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Abstract The Steel (Sl) locus encodes mast cell growth factor (Mgf) that is required for the development of germ cells, hematopoietic cells and melanocytes. Although the expression patterns of the Mgf gene are well characterized, little is known of the factors which regulate its expression. Here, we describe the cloning and sequence of the full-length transcription unit and the 5′ flanking region of the murine Mgf gene. The full-length Mgf mRNA consists of a short 5′ untranslated region (UTR), a 0.8-kb ORF and a long 3′ UTR. A single transcription initiation site is used in a number of mouse t

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Nayak, Anoop. "Re‐scripting Place: Managing Social Class Stigma in a Former Steel‐Making Region." Antipode 51, no. 3 (2019): 927–48. http://dx.doi.org/10.1111/anti.12525.

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Sojiphan, Kittichai. "Experimental and simulation study of phase transformation in thermite welded railway steel heat-affected zone regions." Zavarivanje i zavarene konstrukcije 66, no. 2 (2021): 63–71. http://dx.doi.org/10.5937/zzk2102063s.

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Rail transportation has been an emerging and promising transportation method for economic development in Thailand and several countries. Thermite welding is one of the major welding and joining processes used to weld rail steel both during construction and maintenance. Unlike most welding processes in which heat is generated by electrical energy, thermite welding use heat generated during the chemical reactions between iron oxide and aluminum or other metallic compounds to create the weld. The amount of heat generated is thus depended on the composition and ratios of iron oxide, aluminum, as w

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Melendez, Ruben Cuamatzi, Melchor Salazar Martinez, Sergio Dionicio Bravo, and Adán Ruiz Mendoza. "Cleavage Micromechanisms Study in a Ship Plate Steel through Four-Point Double-Notch Bend and Charpy Tests." Key Engineering Materials 944 (April 10, 2023): 13–37. http://dx.doi.org/10.4028/p-mp2t05.

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In this work instrumented impact Charpy tests were performed to analyze the ductile-brittle transition of Grade A ship plate steels, which are composed of ferrite matrix with pearlite bands in the rolling direction (RD) and pearlite lands in the transverse direction (TD). Observations on fracture surfaces of Charpy specimens showed regions of cleavage from room to down temperatures, therefore blunt four-point double–notch bend specimens (4PBT), were also tested at 25°C, 0°C, –60°C and –196°C in RD and TD, to study cleavage nucleation and propagation mechanisms. In the RD the following four dif

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Kiseleva, N. I., A. D. Zhukovsky, and N. V. Uzyumova. "Reproduction of Qualified HR in Tula Region as Factor of Regional Development in New Social and Economic Conditions." Vestnik of the Plekhanov Russian University of Economics, no. 6 (November 25, 2023): 74–85. http://dx.doi.org/10.21686/2413-2829-2023-6-74-85.

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The article provides analysis of staff provision of the Tula region enterprises, which was conducted by the authors within the frames of sociologic research accomplished in cooperation with the government of the Tula region. On the basis of obtained findings it was shown that the shortage of young and qualified personnel can cause serious risks for the further social and economic development of the region. According to the research, in new fast changing social, political and economic conditions enterprises and organizations in the Tula region are rather optimistic about their prospects concern

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