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Letteratura scientifica selezionata sul tema "Continuous casting"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 luglio 2024

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Articoli di riviste sul tema "Continuous casting"

1

Odilov, Furkat, e Farrukhjon Abdullaev. "Improving The Technology Of Continuous Casting Of Steel Castings". American Journal of Engineering And Techonology 03, n. 04 (30 aprile 2021): 108–17. http://dx.doi.org/10.37547/tajet/volume03issue04-17.

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This article describes the quality and cost-effectiveness of converting steels by melting them in electric arc furnaces. In addition, the technology of continuous casting of cast products in the furnace with the help of ferroalloys, followed by various equipment.

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2

Marukovich, E. I., V. A. Kharkov, I. O. Sazonenko, V. A. Kukareko e A. V. Kushnerov. "Structure, physical and mechanical properties of bronze castings obtained by continuous and centrifugal casting". Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), n. 2 (9 giugno 2020): 26–28. http://dx.doi.org/10.21122/1683-6065-2020-2-26-28.

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The influence of crystallization conditions (continuous and centrifugal casting) of small-sized BrА1Fe4Ni4 bronze castings on the structure, phase composition, and hardness was studied. It was found by metallographic and X-ray diffraction methods that the castings consist of (α + γ')-eutectoid, α phase and AlCu, Al2Cu3 intermetallic compounds. The matrix phase in the alloy, crystallized by centrifugal casting, due to its higher alloying with Al atoms, has an increased value of the crystal lattice parameter, compared with the case of continuous casting. The hardness of the casting obtained by centrifugal casting increases compared with continuous casting, which is due to the formation of a more dispersed structure, as well as a large solid solution hardening of the matrix phase of the casting.

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3

Vynnycky, Michael. "Continuous Casting". Metals 9, n. 6 (3 giugno 2019): 643. http://dx.doi.org/10.3390/met9060643.

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Continuous casting is a process whereby molten metal is solidified into a semi-finished billet, bloom, or slab for subsequent rolling in finishing mills; it is the most frequently used process to cast not only steel, but also aluminum and copper alloys [...]

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4

Minh Duc, Do, e Nguyen Hong Hai. "Study on Rheo-Continuous Casting of Al-Si A356 (EN AC4200) Alloys". Key Engineering Materials 682 (febbraio 2016): 220–25. http://dx.doi.org/10.4028/www.scientific.net/kem.682.220.

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Rheo-continuous casting method is a combination of rheo- and continuous castings. In rheo-casting process the nucleation occurs on cooling slope with high rate in whole casting volume, so nuclei are numerous, resulting in very fine microstructure of nodular crystals. In this work the rheo-continuous process was carried out with a casting machine using 2 rollers of same size: diameter of 300 mm and width of 100 mm. The pouring temperature is near-liquidus. The microstructure obtained is fine (grain size < 40 μm), with nodular morphology. The mechanical properties of as-cast samples were high (the tensile strength is above 220 MPa).

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5

Sołek, K., e L. Trębacz. "Thermo-Mechanical Model of Steel Continuous Casting Process". Archives of Metallurgy and Materials 57, n. 1 (1 marzo 2012): 355–61. http://dx.doi.org/10.2478/v10172-012-0034-3.

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Thermo-Mechanical Model of Steel Continuous Casting Process In the paper a numerical model of heat and mass transfer in the mould zone in the steel continuous casting technology was presented. The model has been developed using ProCAST software designed for simulation of casting processes. It allows to determine temperature and stress distribution in continuous castings in order to optimize the most important process parameters. In this work calculations were executed for low carbon steel grades casted in the industry. In the simulations the real rheological properties measured in the experimental work and the boundary conditions determined on the basis of the industrial data were used.

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6

Li, Yue, Ziming Wang, Xiaobin Zhou, Hong Xiao e Qiang Yue. "A review of electromagnetic stirring on solidification characteristics of molten metal in continuous casting". Metallurgical Research & Technology 121, n. 3 (2024): 312. http://dx.doi.org/10.1051/metal/2024029.

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The solidification of molten metal represents a pivotal phase in the preparation and shaping of metallic materials. Continuous casting, as a crucial juncture in the solidification of molten metal, occupies a position of paramount significance. Nevertheless, during the process of continuous casting, challenges emerge, including uneven temperature field distribution, non-uniform solidification microstructures, and the presence of impurities, leading to defects such as segregation and shrinkage in the castings. Researchers have devoted decades to addressing these issues, culminating in the discovery that the application of electromagnetic stirring during continuous casting can expedite the flow of molten metal, enhance solute diffusion, thereby achieving uniform temperature and flow field distributions, refining solidification microstructures, and ameliorating macrosegregation, among other benefits. This article provides an overview of the recent research achievements and advancements in the utilization of electromagnetic stirring during the continuous casting process. It primarily elucidates various stirring devices commonly employed in continuous casting and expounds upon the influence of electromagnetic stirring on solidification characteristics. And the current problems and future development trends in the application of electromagnetic stirring were discussed.

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7

Sun, Zu Li, Ming En Guo e Yu Chen Guo. "Research of Technological Factors on Producing Oxygen-Free Copper Strip in Horizontal Continuous Casting". Advanced Materials Research 538-541 (giugno 2012): 1097–100. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.1097.

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In the method that the oxygen-free copper strips are produced through undercurrent horizontal continuous casting-cold rolling process, there are some coarse grains, microscopic cracks, shrinkage, shrinkage and segregation defects in the oxygen-free copper strip billet, which debase the densities of the strip billet, and are the main reasons for rejected castings during machining operation. Through the orthogonal experiment of the technical factors in the casting process, the mapping model of artificial neural networks have been established using the data obtained in the experiments, which built the relationship among the densities of casting blank and technological factors. With the help of this model, the optimal casting conditions have been researched by using GA optimizations method and real experiments. The results show that micro-structure of castings was improved and the densities of the strip billets are enhanced.

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8

Kim, Myoung Gyun, Gyu Chang Lee e Joon Pyo Park. "Continuous Casting and Rolling for Aluminum Alloy Wire and Rod". Materials Science Forum 638-642 (gennaio 2010): 255–60. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.255.

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Since the Continuous Casting & Rolling of the non-ferrous metal by Illario Properzi have invented in 1944, the various non-ferrous rod, wire and sheet are produced at present. Although there is long research and trials for producing the wire or rod of commercial the high-strength aluminum alloy, there are few companies with the success in producing commercial hard-aluminum alloys wire and rod by CC&R process. The application of the high-strength aluminum alloy rod or wire is various parts such as rivet, bolt, sports leisure supplies, high-tension power transmission wire, machinable and forgeable materials. However, it is very difficult to produce the high-strength aluminum alloy wire and rod by CC&R process because of the wide mushy zone and high strength compared with the pure or low strength aluminum alloy. Additionally, it is easy to crack and breakout in casting and rolling process due to tiny internal defects of the castings. The object of this project is to design the most suitable equipments for CC&R and optimize the experimental condition of continuous casting condition of the high-strength aluminum alloy. The facilities of CC&R process in RIST are composed of the melting furnace, the wheel casting machine, the automatic machine for moving of castings bar, the 15-step rolling machine with three rolls, the induction heater for reheating the castings bar and the coiling machine. In the present work, through the numerical computer simulation, in first, we have developed the thermal model of the solidification behavior of the casting bar. Finally, using finite element code, Marc, the temperature distribution of each rolled bar and effective strain are obtained during continuous rolling.

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Marukovich, E. I., e E. B. Demchenko. "Heat transfer in the mold during vertical continuous casting of steel". Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), n. 3 (5 ottobre 2018): 26–30. http://dx.doi.org/10.21122/1683-6065-2018-3-26-30.

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The analysis of the performed researches has shown that the offered calculation technique is an effective means of management of formation process in casting. The found dependences and experimental data allow to calculate the specific value of the exactм heat flux in a given range of technological parameters obtained during a series of successful experiments for a particular casting method.Having the results of studies of the temperature regime of the mold during casting of a certain size and profile, it is possible to calculate the thermal state of the mold for the same casting process, but for the production of castings of any other size and profile.Having a certain amount of information on the temperature regime of the mold at different casting methods, you can use the solutions obtained to become the owner of a database containing the necessary information for solving the problems of solidification of the casting. In the subsequent design of equipment and equipment there is no need for additional experimental studies and analysis of the results.

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Pak, Yu A., D. V. Rabadzhi, T. S. Masal’skii, A. V. Filippov e D. V. Yurechko. "New continuous-casting equipment". Steel in Translation 42, n. 2 (febbraio 2012): 146–47. http://dx.doi.org/10.3103/s0967091212020179.

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Tesi sul tema "Continuous casting"

1

Elfsberg, Jessica. "Oscillation Mark Formation in Continuous Casting Processes". Licentiate thesis, KTH, Casting of Metals, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1653.

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Vijaykumar, Adithya. "Smoothed Particle Hydrodynamics Simulation for Continuous Casting". Thesis, KTH, Matematik (Inst.), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105554.

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This thesis proposes a way of simulating the continuous casting process of steel using Smoothed Particle Hydrodynamics (SPH). It deals with the SPH modeling of mass, momentum and the energy equations. The interpolation kernel functions required for the SPH modeling of these equations are calculated. Solidification is modeled by some particles are used to represent fluids and others solids. Elastic forces are calculated between the particle neighbors to create deformable bodies. The fluid solidifies into the elastic body when it cools down and the elastic body melts as it is heated. In continuous casting the molten metal solidifies forming a shell when it comes in contact with the cold wall. The mold of the continuous casting is modeled with a cold oscillating wall and a symmetric wall. Once the shell is formed water is sprayed on the solidified metal. If the shell is thin and cooling is not sufficient, the elastic body melts due to the effect of the hot fluid.
Den klassiska SPH-modellen för vätskor med fri yta kompletteras med värmeledning med fasomvandling och stelning: partiklar kan byta mellan vätske-tillstånd och solid-tillstånd beroende på temperaturen. Elastiska krafter beroende på avstånd mellan partiklarna aktiveras i solid-tillståndet och slås av i fluid-tillstånd så att vätskan kan stelna och senare smälta igen om så behövs. Vid stränggjutning stelnar smältan, som fylls på via ett rör, vid kontakt med en oscillerande, kall kokill-vägg, till ett elastiskt skal. Detta kyls fortlöpande genom påsprutning av vatten utanpå kokillen och direkt på skalet, som förångas. Skalet deformeras nedanför kokillen av det hydrostatiska trycket från smältan; om det ar för tunt brister det. Som demonstration gjordes en simulering där ett skal skapas, varpå man slår av vattenkylningen på ett parti: då smälter skalet och blir tunnare och till sist brister det och all smälta rinner ut genom hålet. Noggrannheten i simuleringen lämnar en del att önska men det vore mycket svårt att bygga en så komplex modell med vanlig CFD.

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3

Pieskä, J. (Jali). "Domain decomposition methods for continuous casting problem". Doctoral thesis, University of Oulu, 2004. http://urn.fi/urn:isbn:9514274679.

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Abstract Several numerical methods and algorithms, for solving the mathematical model of a continuous casting process, are presented, and theoretically studied, in this work. The numerical algorithms can be divided in to three different groups: the Schwarz type overlapping methods, the nonoverlapping Splitting iterative methods, and the Predictor-Corrector type nonoverlapping methods. These algorithms are all so-called parallel algorithms i.e., they are highly suitable for parallel computers. Multiplicative, additive Schwarz alternating method and two asynchronous domain decomposition methods, which appear to be a two-stage Schwarz alternating algorithms, are theoretically and numerically studied. Unique solvability of the fully implicit and semi-implicit finite difference schemes as well as monotone dependence of the solution on the right-hand side are proved. Geometric rate of convergence for the iterative methods is investigated. Splitting iterative methods for the sum of maximal monotone and single-valued monotone operators in a finite-dimensional space are studied. Convergence, rate of convergence and optimal iterative parameters are derived. A two-stage iterative method with inner iterations is analyzed in the case when both operators are linear, self-adjoint and positive definite. Several new finite-difference schemes for a nonlinear convection-diffusion problem are constructed and numerically studied. These schemes are constructed on the basis of non-overlapping domain decomposition and predictor-corrector approach. Different non-overlapping decompositions of a domain, with cross-points and angles, schemes with grid refinement in time in some subdomains, are used. All proposed algorithms are extensively numerically tested and are founded stable and accurate under natural assumptions for time and space grid steps. The advantages and disadvantages of the numerical methods are clearly seen in the numerical examples. All of the algorithms presented are quite easy and straight forward, from an implementation point of view. The speedups show that splitting iterative method can be parallelized better than multiplicative or additive Schwarz alternating method. The numerical examples show that the multidecomposition method is a very effective numerical method for solving the continuous casting problem. The idea of dividing the subdomains to smaller subdomains seems to be very beneficial and profitable. The advantages of multidecomposition methods over other methods is obvious. Multidecomposition methods are extremely quick, while being just as accurate as other methods. The numerical results for one processor seem to be very promising.

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4

Bagha, Shahin. "Continuous casting mould fluxes : simulation and characterisation". Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37624.

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Elsawy, Abdel Raouf. "Net shape continuous casting of cored rods". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28872.pdf.

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Blase, Thomas Albert. "Development of a continuous wire casting technique". Thesis, Queen Mary, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515460.

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7

CIPRIANO, LUIZ CARLOS. "NUMERICAL SIMULATION OF THE CONTINUOUS CASTING PROCESS". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1988. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33279@1.

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O processo de lingotamento contínua de metais é simulado numericamente. Placas ou tarugos metálicos são produzidos continuamente, mantendo-se o escoamento do material através do molde. A frente de solidificação depende da velocidade de retirada de material e da refrigeração imposta na superfície do lingote. A posição da interface líquido-sólido e o campo de temperaturas na região sólida são determinados, e consideram-se os efeitos da velocidade na curvatura da interface. É analisado um modelo retangular bi-dimensional e a equação da energia é resolvida utilizando-se o método numérica de diferenças finitas das volumes de controle. Os resultados são comparados com soluções analíticas simplificadas onde a termo de transporte não foi considerado e mostram que o calar transportado pelo movimento de lingote tem influência significativa na forma da interface e em sua localização dentro do molde durante o processo.
This work deals with a numerical simulation of the continuous casting process. This process is employed in the fabrication of metallic inguts. The position of the solid-liquid interface is determined together with the temperature field in the solid region. The research is facused on studying the effect of the withdrawal velocity on the interface position, aiming at accidental leakage preventien during the process. In this analysis, the sensible heat is taken into acceunt, in contrast to previous marks reported in the open literature. The present work employed a two-dimensional model. The energy equation was integrated in the rectangular domain by means of the finite-volume method. The liquid regions was at the fusion temperatures, whereas one of the side boundaries was strogly cooled to promote solidification. An algorithm was developed to determine the interface pesition and the domain length. Comparisons of this results obtained with the available solutions obtained excluding sensible heat showed that, depending upon the value of the withdrawal velocity, the sensible heat may or may not be negleted. The simulations was performed with the aid of a microcomputer of the IBM-PC/XT type, employing the Fortran language.

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Machingawuta, Noel Chenjerayi. "Continuous casting mould fluxes : constitution and properties". Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47164.

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Sinha, Asish Kumar. "Melt flow and cleanliness in continuous casting tundishes /". The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487686243820661.

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Nazem, Jalali Pooria. "Analysis of Different Continuous Casting Practices Through Numerical Modelling". Thesis, KTH, Materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161559.

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Fluid flow accompanied by heat transfer, solidification and interrelated chemical reactions play a key role during Continuous Casting (CC) of steel. Generation of defects and production issues are a result of the interaction between mould flux, steel grade and casting conditions. These issues are detrimental to both productivity and quality. Thus, the development of reliable numerical models capable of simulating fluid flow coupled to heat transfer and solidification are in high demand to assure product quality and avoid defects. The present work investigates the influence of steel grade, mould powder and casting conditions on process stability by including heat and mass transfer through liquid steel, slag film layers and solidifying shell. The thesis addresses the application of a numerical model capable of coupling the fluid flow, heat transfer and solidification developed by Swerea MEFOS; based on the commercial CFD code FLUENT v12. The Volume of Fluid (VOF) method, which is an interface tracking technique, is coupled to the flow model for distinction of the interface between steel and slag. The current methodology not only allows the model to describe the behaviour of molten steel during solidification and casting but also makes the assessment of mould powders performance possible. Direct prediction of lubrication efficiency, which is demonstrated by solid-liquid slag film thickness and powder consumption, is one of the most significant advantages of this model. This prediction is a direct result of the interaction between metal/slag flow, solidification and heat transfer under the influence of mould oscillation and transient conditions. This study describes the implementation of the model to analyse several steel and mould powder combinations. This led to detection of a combination suffering from quality problems (High Carbon Steel + High Break Temperature Powder) and one, which provides the most stable casting conditions (Low Carbon Steel + Low Break Temperature Powder). Results indicate the importance of steel pouring temperature, mould powder break temperature and also solidification range on the lubrication efficiency and shell formation. Simulations illustrate that Low Carbon Steel + Low Break Temperature Powder delivers the best lubrication efficiency and thickest formed shell. In contrast, High Carbon Steel + High Break Temperature Powder conveys the minimum lubrication efficiency. Therefore, it was concluded that due to absence of proper powder consumption and solidification rate the latter combination is susceptible to production defects such as stickers and breakouts during the casting sequence.

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Più fonti

Libri sul tema "Continuous casting"

1

K, Ehrke, e Schneider W, a cura di. Continuous casting. Weinheim: Wiley-VCH, 2000.

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Irving, W. R. Continuous casting of steel. London: Institute of Materials, 1993.

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Müller, H. R., a cura di. Continuous Casting. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/9783527607969.

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International, Conference Continuous Casting (4th 1988 Brussels Belgium). 4th International Conference Continuous Casting: Preprints. Düsseldorf: Stahleisen, 1988.

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International Symposium on the Continuous Casting of Steel Billets (1985 Vancouver, B.C.). Proceedings International Symposium on the Continuous Casting of Steel Billets: A symposium sponsored by the Basic Sciences Section of the Metallurgical Society of CIM : 24th Annual Conference of Metallurgists, August 18-21, 1985, Vancouver, British Columbia, Canada. [Montreal]: Metallurgical Society of CIM, Canadian Institute of Mining and Metallurgy, 1985.

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Patrick, B. Continuous casting plant engineering control. Luxembourg: Commission of the European Communities, 1987.

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Mirsalimov, V. M. Napri͡a︡zhennoe sostoi͡a︡nie i kachestvo nepreryvnogo slitka. Moskva: "Metallurgii͡a︡", 1990.

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Billany, T. J. H. Mould flux performance during continuous casting. Luxembourg: Commission of the European Communities, 1989.

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Brussels), ICC (4th 1988. Continuous casting: Proceedings of the 4th International Conference Continuous Casting, Brussels, May 17 - 19, 1988 : preprints. A cura di Centre de Recherches M'etallurgiques (CRM). e Verein Deutscher Eisenh"uttenleute (VDEh). D"usseldorf: Stahleisen, 1988.

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Brussels), ICC (4th 1988. Continuous casting: Proceedings of the 4th International Conference Continuous Casting, Brussels, May 17 - 19, 1988 : preprints. A cura di Centre de Recherches M'etallurgiques (CRM). e Verein Deutscher Eisenh"uttenleute (VDEh). D"usseldorf: Stahleisen, 1988.

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Capitoli di libri sul tema "Continuous casting"

1

Schneider, Wolfgang. "25 Years of DGM Continuous Casting Research". In Continuous Casting, 1–11. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch1.

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Rabenberg, J. M., I. J. Opstelten, J. C. Storm e J.-M. Drezet. "Determination of Material Properties and Thermal Boundary Condition from Casting Trial on Alloy AA7075". In Continuous Casting, 71–76. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch10.

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Straatsma, E. N., W. H. Kool e L. Katgerman. "Single-roll Strip Casting of Aluminium Alloys". In Continuous Casting, 77–81. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch11.

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4

Motegi, Tetsuichi, e Fumi Tanabe. "Continuous Casting of Semisolid Al-Si-Mg Alloy". In Continuous Casting, 82–86. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch12.

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Raihle, Carl-Michaël. "Yield and Quality Improvements for Semi-Continuously Cast Copper Alloys". In Continuous Casting, 87–93. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch13.

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Holzkamp, U., H. Haferkamp e M. Niemeyer. "Continuous Casting Technology for Magnesium". In Continuous Casting, 94–100. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch14.

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Puschmann, F., E. Specht e J. Schmidt. "Local Distribution of the Heat Transfer in Water Spray Quenching". In Continuous Casting, 101–8. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch15.

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Plochikhine, V., V. Karkhin e H. W. Bergmann. "Grain Structure, Microstructure and Texture of Copper Ingots Produced during the Continuous Casting Process". In Continuous Casting, 109–14. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch16.

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Boiciuc, Radu, Viorel Munteanu e G. Petrache. "Technologies and Installation for Electrochemical Hardening of Wear Surfaces". In Continuous Casting, 115–19. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch17.

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Buchholz, Andreas, Benoît Commet, Gerd-Ulrich Grün e Dag Mortensen. "Numerical Mass and Heat Flow Predictions in Aluminum DC Casting: A Comparison of Simulations with Melt Pool Measurements". In Continuous Casting, 121–30. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607331.ch18.

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Atti di convegni sul tema "Continuous casting"

1

Sinton, D. A., e B. R. Baliga. "Computational Modelling of Continuous Casting". In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43967.

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Computer simulations of fluid flow and heat transfer phenonmena in a continuous casting process with direct-chill (DC) boundary conditions are presented and discussed in this paper. The investigation is limited to a steady-state, two-dimensional axisymmetric system, used for DC continuous casting of a zero-freezing-range aluminum-magnesium alloy (A6063). An adaptive-grid numerical method is used in these simulations. The grid is designed to delineate the solid-liquid interface using a structured adaptation technique. The fluid flow and thermal fields are predicted using a control-volume finite element (CVFEM). Comparisons of the calculated solid-liquid interface geometries with those reported in earlier experimental and numerical studies are presented in this paper. In addition, the role of natural convection in this casting process is investigated and presented.

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2

Girardin, V., e G. Maccani. "Digital Technologies for Continuous Casting". In AISTech 2021. AIST, 2021. http://dx.doi.org/10.33313/382/147-11014-285.

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3

Girardin, V., e G. Maccani. "Digital Technologies for Continuous Casting". In AISTech 2021. AIST, 2021. http://dx.doi.org/10.33313/382/047.

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4

Liu, Wei, Shengping Yu, Xinfu Pang, Binglin Zheng e Tianyou Chai. "Study on Scheduling of Steelmaking Continuous Casting and Mould Casting". In 2010 International Conference on Electrical and Control Engineering (ICECE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icece.2010.522.

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5

Guo, Dongfen, e Tieke Li. "Rescheduling Algorithm for Steelmaking-Continuous Casting". In 2007 2nd IEEE Conference on Industrial Electronics and Applications. IEEE, 2007. http://dx.doi.org/10.1109/iciea.2007.4318640.

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6

Oberaigner, Wolfgang, e Reinhold Leitner. "HIGHLIGHTS IN CONTINUOUS CASTING PROCESS AUTOMATION". In 46º Seminário de Aciaria - Internacional. São Paulo: Editora Blucher, 2017. http://dx.doi.org/10.5151/1982-9345-27396.

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7

Liu, Wei, Shengping Yu, Xinfu Pang, Binglin Zheng e Tianyou Chai. "Study on Dynamic Scheduling of Steelmaking Continuous Casting and Mould Casting". In 2010 International Conference on Electrical and Control Engineering (ICECE). IEEE, 2010. http://dx.doi.org/10.1109/icece.2010.512.

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8

Mlakar, Miha, Tea Tušar e Bogdan Filipić. "Discrete vs. continuous multiobjective optimization of continuous casting of steel". In the fourteenth international conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2330784.2330879.

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9

Kazup, Ágota, Viktor Kárpáti, Balázs Hegedüs, Zoltán Gácsi e Tibor Ferenczi. "High Purity Primary Aluminium Casting by INDUTHERM CC3000 Semi-Continuous Casting Equipment". In MultiScience - XXXIII. microCAD International Multidisciplinary Scientific Conference. University of Miskolc, 2019. http://dx.doi.org/10.26649/musci.2019.077.

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10

Bazart, Loic, Didier Maquin, Ahmed Khelassi, Bertrand Bele e Jose Ragot. "Operating mode recognition: Application in continuous casting". In 2013 Conference on Control and Fault-Tolerant Systems (SysTol). IEEE, 2013. http://dx.doi.org/10.1109/systol.2013.6693911.

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Rapporti di organizzazioni sul tema "Continuous casting"

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Wilde, R. (Continuous casting 1985). Office of Scientific and Technical Information (OSTI), giugno 1985. http://dx.doi.org/10.2172/7171966.

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2

Battles, J. E., D. M. Rote, B. Misra, W. F. Praeg, J. R. Hull, L. R. Turner, V. L. Shah, R. J. Lari, N. Gopalsami e T. Wiencek. Electromagnetic continuous casting project: Final report. Office of Scientific and Technical Information (OSTI), ottobre 1988. http://dx.doi.org/10.2172/6508910.

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3

Schwarz, G. Continuous casting and inside rolling of round billets for seamless pipe. Final technical report. Office of Scientific and Technical Information (OSTI), luglio 1996. http://dx.doi.org/10.2172/266887.

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4

Gaspar, T. Textured substrate method for the direct continuous casting of steel sheet: Technical progress report No. 4. Office of Scientific and Technical Information (OSTI), luglio 1989. http://dx.doi.org/10.2172/5948351.

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5

Jones, Thomas, Richard Strachan, David Mackie, Mervyn Cooper, Brian Frame e Jan Vorstius. Phase Field & Monte Carlo Potts Simulation of Grain Growth and Morphology of Vertically Upwards Cast Oxygen Free Copper. University of Dundee, ottobre 2021. http://dx.doi.org/10.20933/100001287.

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A 2-D Phase-Field coupled Monte Carlo-Potts model, using PhasePot of vertically upwards continuous casting (VUCC) of oxygen free copper (OFCu) was investigated to reveal the grain growth morphology and the withdrawal parameters required to produce a high-quality homogeneity within the grain structure. A dynamic moving reference frame was used as an approximation to the complex withdrawal parameters. The simulation results were validated alongside cast rod grain structures produced under the same cast parameters, at Rautomead Ltd on a RS080 VUCC machine.

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6

Williams, D., e W. Maxey. NR198506 Evaluation of an X70 Low-Carbon Bainitic-Steel Pipe. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), ottobre 1985. http://dx.doi.org/10.55274/r0011411.

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A 24-inch-diameter x 0.75-inch-wall X70 low-carbon bainitic-steel pipe was evaluated to obtain an independent measurement of pipe properties and to examine metallurgical characteristics that may affect behavior in gas-transmission service. The steel from which the pipe was produced was processed using advanced steelmaking methods to insure cleanliness but apparently was not treated for sulfide shape control since no sour gas exposure in service was anticipated. Primary microalloying additions in this high manganese steel, other than columbium, were titanium and boron. Titanium was added to form a TiN dispersion during continuous casting to aid in the control of austenite grain size during slab rolling. Boron was added to suppress the transformation of austenite to ferrite or pearlite during and following controlled rolling, so as to promote formation of bainite. Heavy controlled rolling at temperatures below the austenite recrystallization temperature, and finish rolling at temperatures perhaps as low as 1290 F were used to develop a very fine grain size in the bainite.

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7

Beltrán Osuna, Ángela Aurora, Jorge Enrique Höwer Carreño e Luis Carlos Bautista Jaime. Producción de mezcladores y pitillos basados en almidón termoplástico mediante el proceso de extrusión. Escuela Tecnológica Instituto Técnico Central, 2022. http://dx.doi.org/10.55411/2023.22.

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El almidón es un biopolímero, biodegradable, biocompostable y biobasado, excelente candidato para ser usado como reemplazo de los materiales plásticos convencionales, de origen petroquímico. Sin embargo, su producción a nivel industrial presenta varios retos tecnológicos, dado que se debe entender su comportamiento químico para poder realizar una formulación con los demás ingredientes, que le permitan plastificarse adecuadamente. Esto es, que las cadenas de almidón se desorganicen de la compacta estructura en la que las organiza la naturaleza (ej. almidón de yuca en polvo), el cual si se calienta se degrada y quema. Se debe agregar un solvente y/o plastificante para que las moléculas del almidón se solubilicen, y poder así obtener una mezcla termoplástica. Una de las principales técnicas para el procesamiento de polímeros es la extrusión, ya que es la más conocida, estudiada y económica, y ayudaría a acelerar el cambio a materiales más sostenibles, ya que muchas compañías no utilizan biopolímeros en sus productos porque deberían cambiar toda la maquinaria de la línea de producción si aplican otras nuevas técnicas asociadas con los nuevos biopolímeros. Por ejemplo, una correcta plastificación del almidón se logra usualmente al disolverlo y calentarlo en agua (ej. preparación de maizena), y dicha solución puede agregarse en un recipiente (técnica de moldeo por solvente), pero requiriendo altos tiempos de secado (1-2 días). También se puede aplicar la solución, a través de una boquilla, sobre una cinta que se mueve a una velocidad constante en un túnel de calentamiento, buscando la producción y el secado continuo de una película de almidón termoplástico (técnica de tape casting), pero esta técnica está en evaluación y aún no se usa en la industria de polímeros en la actualidad. Así, el reto tecnológico de este proyecto consiste, en una primera etapa, en encontrar una formulación apropiada para la plastificación correcta del TPS, pero utilizando una máquina de extrusión; en cuyo caso se debe reducir al máximo la adición de agua (ya que ésta generaría vapores indeseados en la máquina). Con base en dicha formulación, se busca producir mezcladores de bebidas y pitillos a partir de la extrusión, determinando las bases del proceso productivo, al igual que desarrollando una evaluación económica del proceso para conocer su viabilidad a nivel industrial. Este proyecto se presenta bajo el grupo de investigación GEA de la ETITC, y su nueva línea de investigación en biopolímeros, y busca ser un primer paso en el desarrollo de la línea de transformación de polímeros en la escuela. Además, este proyecto pretende poder servir de apoyo, e igualmente retroalimentarse del semillero Biopolymers, que se espera su apertura en el 2022-II. Y de igual forma, la expectativa de este proyecto es aumentar la capacidad tecnológica y la formación de recurso humano en la escuela, a través de la dirección de una tesis de pregrado en Ingeniería de Procesos Industriales; al igual que ofrecer a los estudiantes opciones de desarrollo que puedan abarcar desde proyectos de aula y proyectos integradores, hasta emprendimientos o proyectos de vida para nuestros profesionales.

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