Relevant bibliographies by topics / Kinetics of hot rolled steel

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Kinetics of hot rolled steel'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Kinetics of hot rolled steel"

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Yang, Wang Yue, Long Fei Li, Yun Yang Yin, Zu Qing Sun, and Xi Tao Wang. "Hot-Rolled TRIP Steels Based on Dynamic Transformation of Undercooled Austenite." Materials Science Forum 654-656 (June 2010): 250–53. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.250.

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A novel thermomechanical process to manufacture hot-rolled transformation-induced plasticity (TRIP) steels was developed based on dynamic transformation of undercooled austenite (DTUA). Between DTUA and the isothermal bainitic treatment, only one-step controlled-cooling was required. The microstructure evolution of hot-rolled C-Mn-Si and C-Mn-Al-Si TRIP steels based on DTUA was investigated by hot uniaxial compression tests using a Gleeble1500 simulation test machine. The results indicated that during DTUA, the kinetics of ferrite formation was fast, the volume fraction of ferrite formed was determined by applied strain. In comparison with the process based on static transformation of austenite, a more uniform multiphase microstructure with fine ferrite grains was formed, the bainite packets were small and had relatively random orientations, the retained austenite distributed uniformly and had relatively high volume fraction. Hot-rolled TRIP steels based on DTUA demonstrated better mechanical properties, especially for C-Mn-Al-Si TRIP steel.
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Melo, Tulio M. F., Érica Ribeiro, Lorena Dutra, and Dagoberto Brandão Santos. "Low C High Mn Cold Rolled TWIP Steel: Kinetics of Isothermal Recrystallization." Materials Science Forum 706-709 (January 2012): 2181–86. http://dx.doi.org/10.4028/www.scientific.net/msf.706-709.2181.

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The increasing demand, mainly from the automobile industry, for materials which combine high strength, high ductility and low specific weight makes steels with the TWIP (TWinning Induced Plasticity) effect a promising material to meet these requirements. This work aimed to study the kinetics of isothermal recrystallization of a TWIP steel (C-0.06%, Mn-25%, Al-3%, Si-2%, and Ni-1%) after cold rolling. The steel was hot and cold-rolled and then annealed at 700°C with soaking times ranging from 10 to 7200 s. Microstructural analysis was performed using light (LM) and scanning electron microscopy (SEM). Furthermore, quantitative metallography was performed in order to evaluate the recrystallized volume fraction and grain size. A JMAK based model was applied to describe the nucleation grain growth process. The restoration of the steel was also evaluated by microhardness tests. A complete recrystallization after 7200 s at 700°C was observed. It was found that with increasing annealing times, the recrystallized volume fraction also increases, while the nucleation and growth rates decrease, in agreement with the results for plain carbon steels.
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Mohanty, R. R., and O. A. Girina. "Effect of Coiling Temperature on Kinetics of Austenite Formation in Cold Rolled Advanced High Strength Steels." Materials Science Forum 706-709 (January 2012): 2112–17. http://dx.doi.org/10.4028/www.scientific.net/msf.706-709.2112.

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A systematic experimental investigation was conducted using lab processed low carbon 0.08C-2.0Mn-Cr-Mo steel microalloyed with Ti/Nb to evaluate the influence of initial hot-rolled microstructures on the kinetics of austenite formation and decomposition after cold-rolling and subsequent annealing. Coiling temperature as a major hot rolling parameter was used to obtain different types of hot-rolled microstructures. Dilatometer and continuous annealing simulator were employed for austenite formation studies and annealing simulations, respectively. It was found that the coiling temperature affects the processes occurring during heat treatment in continuous annealing lines of full hard material: ferrite recrystallization, austenite formation during continuous heating and austenite decomposition during cooling. A decrease in coiling temperature accelerates the recrystallization of ferrite and nucleation of austenite, which results in formation of refined ferrite-martensite structure. The effect of initial hot rolled structure on final mechanical properties after continuous annealing was also investigated.
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Jain, N. K. "Kinetics of hot deformation in electroslag refined and hot rolled & annealed En 36 steel." High Temperature Technology 3, no. 1 (February 1985): 35–40. http://dx.doi.org/10.1080/02619180.1985.11753277.

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Malta, Paula Oliveira, Iane Dutra Moutinho, Davi Silva Alves, Aline Vasconcelos Ferreira, and Dagoberto Brandão Santos. "Recrystallization Kinetics and Texture Evolution of Nb Stabilized Ferritic 430 Stainless Steel Cold Rolled and Isothermal Annealed." Materials Science Forum 879 (November 2016): 1656–61. http://dx.doi.org/10.4028/www.scientific.net/msf.879.1656.

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The ferritic stainless steel type 430 stabilized with Nb, with and without annealing after hot rolling, was cold rolled and subjected to isothermal annealing at temperatures 650, 700 and 750°C for times ranging between 10 to 86400 s. The recrystallization kinetics was evaluated by JMAK model through microhardness measurements and KAM and GOS parameters. The Avrami exponent data indicate the occurrence of an unidimensional grain growth due only to high angle boundaries migration, with values ranging between 0.9 and 1.2. The nucleation rate and grain growth decreased continuously with time. The evolution of the texture was analyzed via EBSD analysis by ODF maps. The steel recrystallization is based on combination of ON and SG theories, due to presence of {111}<121>, {554}<225> and {111}<112> related to γ fiber. The rotated cube component, feature of the hot rolled steel, decreased with annealing time.
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Rodriguez-Calvillo, Pablo, R. Rouco, and Yvan Houbaert. "Growth Kinetics of Al-Si-Fe Intermetallics during Hot Dipping of Steel." Defect and Diffusion Forum 273-276 (February 2008): 58–62. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.58.

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Electrical steels are used in flux carrying machines, divided in grain oriented and non oriented electrical steels mainly used in transformers and electrical motors, respectively. Their industrial production is not always easy due to the alloying elements which produce brittle order structures in the steel. Therefore hot dipping was found to be an alternative way of producing electrical steel with a high concentration of Al and/or Si: in a first series of experiments different steel substrates were coated by immersion in an Al + 23 m.-% Si hypereutectic alloy, followed by a high temperature diffusion annealing. The present contribution reports on the growth kinetics of Al-Si-Fe intermetallics formed during the dipping process in a hypoeutectic Al – 5 m.-% Si bath of Fe-substrates with 3 m.-% Si, previously cold rolled to different thickness. This bath composition allows a liquid phase at temperatures lower than the hypereutectic one with 23 m.-% Si and also less amount of eutectic formation. No Na-addition was made to the bath (the occurrence of a needle-like morphology of the Al-Si eutectic was not relevant for these experiments), furthermore this element might lower the magnetic properties of the steel. The preheating of samples and bath temperatures were not varied and set to 670°C. Short dipping times of 1 to 60 sec. were applied. The different layers formed were characterised by Scanning Electron Microscopy (SEM), using the Back Scattered Electron (BSE) detector and Energy Dispersive Spectroscopy (EDS).
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Rodriguez-Calvillo, Pablo, Lucia Suarez, and Yvan Houbaert. "Al-Si-Fe Intermetallics on Fe-Substrates during Hot-Dipping." Defect and Diffusion Forum 297-301 (April 2010): 1042–47. http://dx.doi.org/10.4028/www.scientific.net/ddf.297-301.1042.

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Steels alloyed with Si and Al are used as core material in flux carrying machines, they are commonly called electrical steels, divided into grain oriented and non-oriented when a material without magnetic anisotropy or not is desired and used in transformer and electrical motors, respectively. The appearance of brittle ordered structures when Si+Al content in steel is above 4 m.-% does not always make its industrial production easy. Therefore hot dipping in a Al-Si bath followed by a diffusion annealing was found to be a productive way of steels with high Si and/or Al concentration and to overcome the creation of fragile structures during deformation processes, such as rolling. The formation of different layered Al-(Si)-Fe intermetallics on the steel substrate depends on diverse processing parameters such as bath temperature and composition, immersion time, preheating of the steel substrate and its composition and cooling down to room temperature. This contribution reports the diffusion kinetics of Fe2Al5 products obtained during the hot dipping process in an Al iron saturated and a hypoeutectic Al – 5 m.-% Si baths of ultra low carbon steel and Fe-substrates with 3 m.-% Si, annealed and cold rolled to different thicknesses. The preheating of the samples and bath temperatures were varied between 670 to750°C. Dipping times between 1 to 600 sec. were applied. The different layers and compounds formed were characterized by Scanning Electron Microscopy (SEM), using Back Scattered Electron (BSE) detector and Energy Dispersive Spectroscopy (EDS). The influence of the substrate and bath chemical composition on the growth kinetics of the Fe2Al5 intermetallics was investigated assuming a parabolic law. Si addition retards the growth kinetics and, as result, raises the activation energy from 71.3 to 159.8 kJmol-1, the obtained results are in agreement with the literature.
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de las Cuevas, F., Mónica Reis, A. Ferraiuolo, G. Pratolongo, L. Pentti Karjalainen, V. García Navas, and J. Gil Sevillano. "Kinetics of Recrystallization and Grain Growth of Cold Rolled TWIP Steel." Advanced Materials Research 89-91 (January 2010): 153–58. http://dx.doi.org/10.4028/www.scientific.net/amr.89-91.153.

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Hot rolled, laboratory-cast, TWIP steel samples (5.4 mm thick) of 22% Mn - 0.6% C (in mass-%) were cold rolled to different reductions (from 40 % to 70 %) and subsequently isothermally annealed for various times at temperatures ranging from 450º C to 1100º C. The evolution of recrystallization and grain growth was followed by control of the softening kinetics complemented by metallographic, OIM and microtexture observations. A map of the recovery, recrystallization and grain growth in the temperature-time space was obtained. In all instances, the grain size at the end of recrystallization was very fine, D ≤ 2 µm and larger grain sizes were the result of grain growth. A range of grain sizes 2 µm ≤ D ≤ 50 µm was covered by the grain growth experiments. A phenomenological grain growth equation that is useful for the annealing control of this steel was derived from the measurements.
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Gutiérrez, Emmanuel J., and Armando Salinas. "Decarburization of Hot-Rolled Non-Oriented Electrical Steels." MRS Proceedings 1485 (2012): 119–24. http://dx.doi.org/10.1557/opl.2013.279.

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ABSTRACTThe high temperature decarburization-oxidation behavior of hot rolled, non-oriented electrical steel strips is investigated during air-annealing treatments. Annealing temperature and time are varied from 700 – 1050 °C and 10 to 150 min, respectively. The experimental results show that uniform external oxidation affects strongly the rate at which carbon can be removed from this material. The thickness of the oxide layer formed after 150 minutes of annealing increases linearly with increasing temperature in the range 828 and 920 °C. The effect of temperature on the thickness of the oxide scale at temperatures outside this range is significantly smaller. These results indicate that the rate of oxidation in this material is strongly influenced by the microstructure of the steel during annealing. Decarburization rates are very slow during annealing at T ≤ 750 °C where the oxide layer is thin and porous. In contrast, fast and intense decarburization of the strips is observed as a result of annealing at temperatures between 800 and 850 °C. Finally, decarburization at T ≥ 875 °C becomes slower as the temperature is increased until at T ≥ 950 °C this process is practically inhibited. Measurements of C content as a function of time and temperature show that the observed decarburization kinetics follows Wagner’s model at 800 and 850 °C. However, at higher annealing temperatures decarburization is slower than that predicted by the model. This behavior is related to the increment of the oxide scale thickness and a transition from cracked to crack-free oxide structure which makes C diffusion through the oxide film very difficult.
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Jacolot, Ronan, Didier Huin, Artem Marmulev, and Eliette Mathey. "Hot Rolled Coil Property Heterogeneities due to Coil Cooling: Impact and Prediction." Key Engineering Materials 622-623 (September 2014): 919–28. http://dx.doi.org/10.4028/www.scientific.net/kem.622-623.919.

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The importance of coil cooling conditions on mechanical properties uniformity of HSLA and AHSS steel grades is discussed. It is namely shown that hot rolled coil under conventional industrial production can be cooled non-uniformly. That is why to predict correctly the final steel microstructure and mechanical properties of hot-rolled products an accurate description of not only run-out table condition but also of coil cooling should be done. Two solutions to provide accurate description of coil cooling were tested. First one is to use 2D finite element (FE) thermal model. When coupled with the ArcelorMittal metallurgical model to predict hot-rolled microstructure and properties (TACSI) it matches well the industrial data within +/-15-20MPa both for the tensile and yield strength. However, this approach is recognized to be heavy and time consuming. A second solution, a new 2D coil cooling simplified model incorporated in TACSI model, proved to be quite efficient, as it leads to performances similar to the more detailed first solution. Moreover, it is able to compute the coupling between the thermal evolution of the hot band and the kinetics of phase transformation during coil coiling and cooling, and will enable a better evaluation of the final mechanical properties especially for the grades for which the phase transformation is not completed before hot band coiling.
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Dissertations / Theses on the topic "Kinetics of hot rolled steel"

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Knox, E. "Improved property control of hot rolled carbon manganese steel grades." Thesis, Swansea University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637816.

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The work is in the form of a project aimed at furthering the understanding of metallurgical interactions during the processing of hot rolled CMn (-Si) steel grades. The aim has been achieved through a number of complimentary investigations. Through-coil mechanical testing and metallographic examination, coupled with detailed analyses of relevant process parameters, have highlighted the typical properties and property variations within Corus' CMn (-Si) products. Deformation dilatometry experiments have allowed the transformation behaviour of CMn (-Si) compositions to be assessed and compared with that predicted by transformation theory. Laboratory-scale rolling and cooling experiments have demonstrated the effects of composition and process variations on steel properties. These combined discoveries have contributed to a deeper understanding of the metallurgy of CMn (-Si) steel manufacture. The project has illustrated where product design changes can contribute to enhanced properties, helping Corus to ensure the long-term success of its CMn (-Si) steels within the automotive market.
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Richardson, Andrew David. "Efficient simulation of cooling processes for hot-rolled steel sections." Thesis, Teesside University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411293.

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Nilsonthi, Thanasak. "Caractérisation Physico-chimique et adhérence de couches d'oxydes thermiques sur des aciers recyclés." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00947653.

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.L'objectif de cette étude était, en premier lieu, de mettre en place en Thaïlande un testd'adhésion par traction-écaillage sur une machine de traction classique (test" macroscopique "), de le comparer au test " microscopique " Grenoblois fonctionnant dansla chambre du MEB et de l'utiliser pour évaluer l'adhérence des calamines de process sur desaciers industriels. Deux paramètres ont été étudiés, la vitesse de déformation et la teneur desaciers en silicium. Il apparaît que l'écaillage des calamines au cours du test augmente quandaugmente la vitesse de déformation. Une vitesse de déformation élevée entraîne unedéformation au premier écaillage plus faible, donc une adhérence mesurée plus faible. Ceteffet est lié aux phénomènes de relaxation. On a pu alors montrer que la présence d'oxyde(s)contenant Si, situé(s) à l'interface avec le métal, augmentait l'adhérence. Les étudesd'oxydation dans la vapeur d'eau qui ont aussi été réalisées ont révélé que la présence desilicium réduisait la vitesse d'oxydation. En augmentant la teneur en Si, les couches defayalite et de wüstite s'épaississent ; par contre, les couches externes s'amincissent. Pour lesaciers contenant du cuivre, la vitesse d'oxydation est réduite quand la teneur en Cu estaugmentée. De la même façon, les couches internes sont plus épaisses et on observe uneaugmentation du nombre de précipités de Cu quand la teneur en cet élément augmente.
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Stalker, Iain Duncan. "Knowledge modelling for the design of hot rolled steel section roll sets." Thesis, Teesside University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521872.

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Du, Jinlong. "Development of high strength hot rolled strip steel products with bainitic microstructures." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6881/.

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High strength, low alloy, hot rolled strip steels with yield stresses in the range 700 to 1300MPa are required for the Lifting and Excavating product sector. Improved combination of strength and toughness in these high strength steels is desired, requiring a detailed understanding of the relationship between microstructure and mechanical properties. In this work 12mm thick 700MPa yield stress strip steels with fully bainitic microstructures, with different compositions and/or processing conditions, have been studied. The microstructures of the steels were investigated with both optical microscopy and SEM. Micro-hardness and Charpy impact tests (at different temperatures) were carried out to investigate the mechanical properties, followed up with fracture surface analysis and unit crack path (UCP) analysis. Three types of bainitic microstructures were identified and quantified, including upper bainite, lower bainite and granular bainite. The fracture surface and UCP analysis indicating that granular bainite is detrimental to toughness, but cannot necessarily be avoided in the steels investigated; while the presence of a small amount of lower bainite (above 5%) was found to improve the impact toughness significantly. Continuous cooling transformation (CCT) diagrams for steels with different compositions were produced, which allowed investigation of the phase transformation behaviour and selection of optimum chemical composition/coiling temperature for improved properties. The effects of alloying elements (B, Mo and V) on the transformation behaviour have been confirmed through the experiments. An optimised combination of alloying and coiling temperature has been proposed and validated via investigating plant trial products with similar alloying and processing parameters.
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Glover, Carol. "Thin organic coatings for hot dip galvanised steel and cold rolled products." Thesis, Swansea University, 2014. https://cronfa.swan.ac.uk/Record/cronfa42838.

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Al-Shihri, Marai Abdullah 1958. "BUCKLING STRENGTH OF HEAVY STEEL COLUMNS (WELDED SHAPES, INITIAL CURVED COLUMNS, HOT-ROLLED SHAPES)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/291869.

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Tepe, Bulent. "Evaluation of pre-treatment and powder paint process for hot rolled steel (HRS)." Thesis, Ulster University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516518.

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Bryant, Cameron L. "Web crippling of hot-rolled beams at stiffened-seat connections." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-12052009-020154/.

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Yousaf, Naeem. "Calucaltion of waste heat from hot rolled steel coils at SSAB and its recovery." Thesis, Högskolan Dalarna, Maskinteknik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:du-4516.

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Hot rolling process is heat input process. The heat energy in hot rolled steel coils can be utilized. At SSAB Strip Product Borlänge when the hot rolled steel coils came out of the hot rolling mill they are at the temperature range of 500°C to 800°C. Heat energy contained by the one hot rolled steel coil is about 1981Kwh whereas the total heat energy for the year 2008 is 230 GWh/year.The potential of heat is too much but the heat dissipation rate is too slow. Different factors on which heat dissipation rate depends are discussed.Three suggestions are proposed to collect the waste heat from hot rolled steel coils.The 2nd proposal in which water basin is suggested would help not only to collect the waste heat but to decrease in the cooling time.
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Books on the topic "Kinetics of hot rolled steel"

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Institution, British Standards. Hot-rolled structural steel sections. London: B.S.I, 1991.

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United States International Trade Commission. Certain hot-rolled steel products from Brazil, Japan and Russia. Washington, D.C: U.S. International Trade Commission, 1998.

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Commission, Great Britain Competition. Arcelor SA and Corus Group plc: A report on the acquisition by Arcelor SA of part of Corus Group plc's UK hot rolled steel sheet piling business. Norwich: TSO, 2005.

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United States International Trade Commission. Certain hot-rolled lead and bismuth carbon steel products from Brazil, France, Germany, and the United Kingdom: Determinations of the Commission in investigations nos. 701-TA-314 thru 317 (preliminary) under the Tariff Act of 1930, together with the information obtained in the investigations : determinations of the Commission in investigations nos. 731-TA-552 thru 555 (preliminary) under the Tariff Act of 1930, together with the information obtained in the investigations. Washington, D.C: U.S. International Trade Commission, 1992.

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United States International Trade Commission. Certain hot-rolled lead and bismuth carbon steel products from Brazil, France, Germany, and the United Kingdom: Determinations of the Commission in investigations nos. 701-TA-314 thru 317 (final) under the Tariff Act of 1930, together with the information obtained in the investigations : determinations of the Commission in investigations nos 731-TA-552 thru 555 (final) under the Tariff Act of 1930, together with the information obtained in the investigations. Washington, DC: U.S. International Trade Commission, 1993.

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United States International Trade Commission. Certain hot-rolled lead and bismuth carbon steel products from Brazil, France, Germany, and the United Kingdom: Determinations of the Commission in investigations nos. 701-TA-314 thru 317 (final) under the Tariff Act of 1930, together with the information obtained in the investigations : determinations of the Commission in investigations nos 731-TA-552 thru 555 (final) under the Tariff Act of 1930, together with the information obtained in the investigations. Washington, DC: U.S. International Trade Commission, 1993.

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United States International Trade Commission. Certain hot-rolled lead and bismuth carbon steel products from Brazil, France, Germany, and the United Kingdom: Determinations of the Commission in investigations nos. 701-TA-314 thru 317 (preliminary) under the Tariff Act of 1930, together with the information obtained in the investigations : determinations of the Commission in investigations nos. 731-TA-552 thru 555 (preliminary) under the Tariff Act of 1930, together with the information obtained in the investigations. Washington, D.C: U.S. International Trade Commission, 1992.

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United States International Trade Commission. Certain hot-rolled lead and bismuth carbon steel products from Brazil, France, Germany, and the United Kingdom: Determinations of the Commission in investigations nos. 701-TA-314 thru 317 (final) under the Tariff Act of 1930, together with the information obtained in the investigations : determinations of the Commission in investigations nos 731-TA-552 thru 555 (final) under the Tariff Act of 1930, together with the information obtained in the investigations. Washington, DC: U.S. International Trade Commission, 1993.

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Surface Defects in Hot Rolled Flat Steel Products. 2nd ed. Woodhead Publishing, 1996.

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Society, Iron and Steel, ed. Bar steel: Alloy, carbon and microalloy steels, semifinished, hot rolled bars, cold finished bars, hot rolled deformed and plain concrete reinforcing bars. [Warrendale, PA]: Iron and Steel Society, 1994.

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Book chapters on the topic "Kinetics of hot rolled steel"

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Hall, Stephen J. "Hot rolled flat steel products for cold-forming." In ICE Pocket Guide to Steels in the Built Environment, 97–105. London: ICE Publishing, 2021. http://dx.doi.org/10.1680/icepgsbe.65741.097.

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Clark, A. V., M. G. Lozev, B. J. Filla, and L. J. Bond. "Sensor System for Intelligent Processing of Hot-Rolled Steel." In Nondestructive Characterization of Materials VI, 29–36. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2574-5_5.

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Kvačkaj, Tibor, and Michal Zemko. "Recrystallization and Mechanical Properties of Hot Rolled Seamless Steel Tubes." In Materials Science Forum, 1107–13. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-443-x.1107.

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Calvillo, Pablo Rodriguez, N. Salazar, Juergen Schneider, and Yvan Houbaert. "Microstructure Characterization by EBSD of Hot Rolled High-Silicon Steel." In Diffusion in Solids and Liquids III, 69–74. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-51-5.69.

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Narimatsu, Hisao, Masakazu Kuwada, and Koji Gotoh. "A Study on Using Hot-Rolled Steel Sheet for Ship Superstructure." In Lecture Notes in Civil Engineering, 243–57. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4680-8_18.

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Wang, Yang, Tieke Li, Bailin Wang, and Zixuan Wu. "Hot-Rolled Batch Scheduling of Seamless Steel Tube with Flexible Machine Maintenance." In Advances in Intelligent Systems and Computing, 773–78. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8944-2_89.

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Zhang, Ke, Zhaodong Li, Xiaochen Han, Xinjun Sun, and Qilong Yong. "Strengthening Mechanisms of V-Ti-Mo Microalloyed 900 MPa Hot-Rolled Ferritic Steel." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 379–85. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119223399.ch43.

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Zhang, Ke, Zhaodong Li, Xiaochen Han, Xinjun Sun, and Qilong Yong. "Strengthening Mechanisms of V-Ti-Mo Microalloyed 900 MPa Hot-Rolled Ferritic Steel." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 379–85. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48767-0_43.

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Matias, J. V. S., H. M. L. F. de Lima, W. S. Araujo, J. M. Pardal, and Sérgio S. M. Tavares. "Comparison Between Hot Rolled and PM/HIP Processed Duplex Stainless Steel UNS S31803." In Advanced Structured Materials, 17–28. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02257-0_2.

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Tiensuu, Henna, Ilmari Juutilainen, and Juha Röning. "Modeling the Temperature of Hot Rolled Steel Plate with Semi-supervised Learning Methods." In Discovery Science, 351–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24477-3_28.

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Conference papers on the topic "Kinetics of hot rolled steel"

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Prous, N. G., M. S. Egorov, and V. V. Sukhomlinova. "NITROGEN AND CARBON SATURATION KINETICS OF POWDERED MATERIALS OBTAINED BY HOT STAMPING IN THE PRODUCTION OF COMPLEX FORM PARTS." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.376-379.

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The processes occurring at saturation of the surface with various elannotation The paper deals with issues related to the kinetics of saturation of high-density powder materials obtained by hot stamping (GS). The effect of surface treatment, temperature and time of saturation of the surface of highdensity powder materials with nitrogen and carbon is investigated. The graphs of the influence of these factors are given. The structures of the diffusion layer and the effect of the surface features of high-density powder materials on saturation with nitrogen and carbon are described. Comparative studies on the saturation of the surface layer at the SC of high-density powder materials and rolled steels have been carried out. It is established that the thickness of the diffusion layer on the iron powder is greater than that on low-carbon electrical steel and the magnitude of the difference slightly decreases with increasing temperature.
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Sanchez, Nuria, Dennis Van Hoecke, and Martin Liebeherr. "Mechanical Anisotropy of Hot Rolled Line Pipe Steel Coil." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90416.

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The mechanical anisotropy of hot rolled coils for linepipe grades in the range between X52 and X80 have been investigated in terms of tensile strength and Charpy impact toughness. Samples were taken in different orientations with respect to the strip rolling direction: 0, 30, 45, 60 and 90 degrees. Tensile tests were performed on round tensile specimens to avoid the need for strip levelling. Results from this investigation reveal that the hot rolled coils display different degrees of anisotropy varying as function of strength level and thickness. The material anisotropy is reflected in variations in yield, tensile strength and ovality of the gauge section after fracture. At the same time, variations of the CVN absorbed energy in the upper shelf energy and in the ductile to brittle transition temperature were also observed. Finally, detailed texture studies revealed a relation between mechanical anisotropy and crystallographic texture.
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Shirasawa, H., K. Mimura, T. Yokoi, Z. Shibata, and N. Inoue. "Formability of TS590 N/mm2 “Tri-Phase” Hot Rolled Steel." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/930284.

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Musonda, Vincent, and Esther T. Akinlabi. "Quantitative Characterisation of Pearlite Morphology in Hot-Rolled Carbon Steel." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10690.

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Abstract During the hot rolling of carbon steel, austenite phase transforms into a pearlitic morphology, which essentially is a matrix of ferrite lamellae (α-Fe) and cementite (Fe3C). This transformation occurs at the cooling bed after an equalisation temperature of around 600 °C. Pearlitic steels find their use in ropes for bridges and elevators, rails, and tyre cords among others. Characterisation of microstructure has not been broadly applied to pearlitic steels because of their complex microstructures. Therefore, the characterisation of this morphology becomes inevitable, in order to identify potential weaknesses in the matrix. In this study, hot-rolled reinforcement bars (rebars) produced from recycled steel and direct reduced iron (DRI), were used for microstructural examination using standard metallurgical procedures. Although the optical microscope (OM) and scanning electron microscope (SEM) were used to obtain qualitative microstructure, they could not characterise the pearlite morphology quantitatively because of their three-dimensional (3D) limitation. Hence, the image analyser - Gwyddion Software, was used to quantify the pearlite morphology of these Y16 rebars. The results indicate that the pearlite colony is characterised by 3D single interpenetrating crystals of ferrite and cementite running parallel to each other due to their common growth during the transformation process of austenite. It was further observed that, the dimensional properties of the phases in the morphology in terms of their width and Interlamellar spacing (S), including the roughness of the pearlite colony can vary significantly. These results could be used to enhance the processing methodology of the industrial production processes.
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Badgley, P., C. Cathcart, C. Martin-Root, D. Overby, X. Yu, and T. Zhou. "Edge Stretchability of Hot Rolled High-Strength Low-Alloy Steel." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019mst/2019/mst_2019_912_919.

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Zhu, Xueliang, Huiying Zhao, Ailing Tian, and Bin Li. "On-line measurement of diameter of hot-rolled steel tube." In The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), edited by Ailing Tian, Anand Asundi, Weiguo Liu, and Chunmin Zhang. SPIE, 2015. http://dx.doi.org/10.1117/12.2075843.

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Badgley, P., C. Cathcart, C. Martin-Root, D. Overby, X. Yu, and T. Zhou. "Edge Stretchability of Hot Rolled High-Strength Low-Alloy Steel." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019/mst_2019_912_919.

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He, X. Q., Y. Wang, H. L. Wei, Z. Zhou, and W. Liang. "The Mechanical Performance and Micro-Structure of 1500MPa Hot Rolled Steel for Hot Forming." In The 2nd International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813140622_0010.

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Mitsuji, Haruo, Takayoshi Shimomura, Kenji Araki, and Kaoru Watanabe. "Production and Quality of Hot-Rolled Steel Sheets with Excellent Formability." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1985. http://dx.doi.org/10.4271/850119.

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Tomita, K., T. Shiozaki, T. Urabe, and A. Yoshitake. "Development of 780 MPa Grade High Strength Hot Rolled Steel Sheet." In SAE 2000 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-0308.

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Reports on the topic "Kinetics of hot rolled steel"

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Franco-Ferreira, E., and S. Feldbauer. Commercial Development of a Process for Continuous Reduction of Mill Scale on Hot Rolled Strip Steel. Office of Scientific and Technical Information (OSTI), October 2000. http://dx.doi.org/10.2172/768920.

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