Literatura académica sobre el tema "Temper Rolling"

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Artículos de revistas sobre el tema "Temper Rolling"

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Yang, Ling Ling, Tatsuya Nakagaito, Yoshimasa Funakawa y Katsumi Kojima. "Change in Yield Strength of Nb-Bearing Ultra-Low Carbon Steels by Temper-Rolling". Materials Science Forum 941 (diciembre de 2018): 230–35. http://dx.doi.org/10.4028/www.scientific.net/msf.941.230.

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Yield strength of low carbon mild steel decreases when temper-rolling is applied to release yield point elongation. Generally mobile dislocation used to be considered as the cause of the YS lowering. However from Bailey-Hirsch theory, strength should be higher with temper-rolling because of the increase of dislocation density. To newly explain the lowering yield strength by temper-rolling, standing at the point that a few ppm carbon change Hall-Petch coefficient , decrease in yield strength by temper-rolling is investigated using an ultra-low carbon steel. Yield strength of steel with the small amount of solute carbon increased after 2% temper-rolling and didn’t change after aging. On the other hand, yield strength of steel with the high amount of solute carbon decreased after 2% temper-rolling and increased again after aging. Despite solute carbon content, the Hall-Petch σ0 increased by dislocation strengthening of temper-rolling. Hall-Petch coefficient ky of low solute carbon steel remained at the low level even after temper-rolling or aging , however, that of high solute carbon steels significantly decreased after temper-rolling and increased again after aging. Yield strength reduction of the high solute carbon steel can be attributed to the decrease of ky.
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Larkiola, Jari, Jari Nylander, V. Kähkönen y M. Judin. "Prediction of Rolling Force during Temper Rolling". Materials Science Forum 575-578 (abril de 2008): 584–88. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.584.

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In temper rolling thickness reduction is small (0,5 – 2%) and the elastic deformation of the work roll should be taken into account. During finishing rolling, classical cold rolling theories fail to predict the roll flattening and thus the rolling force. Numerous different mathematical models have been developed for temper rolling process. However, often the non-circular theories are computationally expensive and the range of usability is questionable. In this study, elasto- plastic finite element analysis, laboratory rolling tests and inverse computing from skin pass mill process data has been carried out. The aim is to find the roll shape, contact length and the rolling force to create a simplified model for controlling of temper rolling. In addition, the ability of different skin pass rolling theories has been compared with measured process values.
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Du, Xiao Zhong, Zheng Yi Jiang, Zhen Hua Bai, Xiang Long Yu y Zhong Yuan Zhang. "A New Calculating Model of Rolling Pressure during Temper Rolling Process". Key Engineering Materials 443 (junio de 2010): 39–44. http://dx.doi.org/10.4028/www.scientific.net/kem.443.39.

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A set of new mathematical models have been developed to calculate the temper rolling force of 2050 strip temper rolling mill. Based on the fact of small plastic deformation and elastic deformation occurring on the entry and exit of the deformation zone, new stress boundary conditions are described. The inhomogeneous distribution of internal stress in thickness direction is taken into account in the models, instead of uniform internal stress and assumption of plane strain traditionally. The new mathematical models have been applied into the temper rolling of 2050 hot rolling mills with good results. Comparison of calculated values and testing values for nine typical products has been given. The result shows that the calculated value of rolling force of temper mill is accurate.
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Mazur, V. L. "Temper rolling of sheet steel". Steel in Translation 42, n.º 4 (abril de 2012): 348–52. http://dx.doi.org/10.3103/s0967091212040109.

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Busch-Milosevic, M. L., P. Boivin, F. Onno y M. Grumbach. "Modeling the temper rolling process for automating temper-roller mill". Revue de Métallurgie 89, n.º 4 (abril de 1992): 381–88. http://dx.doi.org/10.1051/metal/199289040381.

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Xiong, Zhi Qiang, Chun Zeng, You Rong Li, Zhi Gang Wang y Zhi Bin Xiong. "Delivering Way of Horizon Disturbance to Vertical Vibration in Temper Rolling Mill". Advanced Materials Research 443-444 (enero de 2012): 289–95. http://dx.doi.org/10.4028/www.scientific.net/amr.443-444.289.

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Developed a mathematics model of temper rolling mill’s dynamic rigidity change with the oil film’s thickness which is varying with working roll’s horizontal chattering velocity. The delivering way from the horizontal chattering to vertical chattering is revealed on the above analyzing. Combined with actual chatter marks of strip steel produced by one temper rolling mill, the influence of one horizontal disturbance to vertical chatter has been validated by the use of numerical simulation with Simulink software package. It provides theoretical and practical value on research of vibration in temper rolling mill.
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Yang, W. Z., K. A. Beauchemin y L. M. Rode. "Ruminal digestion kinetics of temper-rolled hulless barley". Canadian Journal of Animal Science 76, n.º 4 (1 de diciembre de 1996): 629–32. http://dx.doi.org/10.4141/cjas96-093.

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In situ ruminal digestion kinetics of temper-rolled hulless barley were affected by the moisture content of grain prior to processing. A moisture content of 21% resulted in optimum ruminal digestion of temper-rolled hulless barley. Key words: Hulless barley, grain processing, temper-rolling, in situ digestion, ruminal degradability
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8

Vincent, G., C. Counhaye y Claude Esling. "Simulating the Temper Rolling of Galvanized Steel". Solid State Phenomena 105 (julio de 2005): 371–78. http://dx.doi.org/10.4028/www.scientific.net/ssp.105.371.

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This work deals with early results obtained in numerical simulation of the skin-pass of zinc coated steel sheets. First, the streamline model and its adaptation to the case of the temper rolling of coated steel sheets are detailed. Second, the influence of various parameters of the rolling process on the strain and stress fields in the sheet is numerically calculated.
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9

Komori, Kazutake. "Analysis of Longitudinal Buckling in Temper Rolling". Tetsu-to-Hagane 94, n.º 10 (2008): 452–59. http://dx.doi.org/10.2355/tetsutohagane.94.452.

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Komori, Kazutake. "Analysis of Longitudinal Buckling in Temper Rolling". ISIJ International 49, n.º 3 (2009): 408–15. http://dx.doi.org/10.2355/isijinternational.49.408.

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Tesis sobre el tema "Temper Rolling"

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Luis, Caroline. "Effet du temper-rolling et du vieillissement sur le comportement mécanique en trajets séquencés d’aciers ferritiques bas carbone pour l’emballage". Paris 13, 2011. http://www.theses.fr/2011PA132025.

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L’objectif de la thèse est l’analyse et la modélisation de l’écrouissage d’aciers ferritique bas carbone pour emballage pré-écrouis par temper-rolling, à l’aide de lois de comportement phénoménologiques pertinentes pour la simulation numérique des opérations de mise en forme. L’étude a porté sur des tôles très minces d’aciers d’intérêt industriel avec (ULC, ML/TH) ou sans (IF) sensibilité au vieillissement, considérées après différentes réductions d’épaisseur par temper-rolling. La caractérisation expérimentale des microstructures et textures initiales par EBSD et DRX a permis d’analyser la morphologie des grains et la distribution spatiale des composantes principales de la texture. L’étude du comportement mécanique, basée sur des essais de cisaillement simple monotone et inversé, a mis en évidence les effets attribués au changement de trajet temper-rolling/cisaillement simple et/ou à l’état de vieillissement, sources d’hétérogénéités macroscopiques de déformation. Le modèle d’écrouissage de Teodosiu-Hu a été utilisé pour décrire le comportement global. Plusieurs variantes du modèle (simple ou double écrouissage cinématique, loi d’évolution de l’écrouissage isotrope de type puissance ou saturant, critère de plasticité isotrope ou non) ont été examinées pour décrire au mieux les spécificités de comportement de chacune des familles d’aciers étudiées. Dans chaque cas, une identification globalement satisfaisante a pu être obtenue. De plus, le modèle a donné des prévisions encourageantes de l’effet du temper-rolling sur le comportement en cisaillement simple monotone des aciers ULC
The aim of this work was the hardening analysis and modelling of temper-rolled low carbon ferritic steels for packaging, thanks to phenomenological constitutive laws relevant for sheet metal forming simulation. The study was focused on very thin steel sheets of industrial interest steels prone (ULC, ML/TH) or not (IF) to ageing, after different temper-rolling reductions. The experimental characterization of the initial microstructures and textures with EBSD and XRD permitted the analysis of the grains’ morphology and of the spatial distribution of the main texture components. The study of the mechanical behaviour, based on monotonous and reverse simple shear tests, have shown the effects of the strain-path change temper-rolling/simple shear and/or of the ageing state, responsible for macroscopic strain heterogeneities. The Teodosiu-Hu model was used to describe the global behaviour. Several versions of the model (simple or double kinematic hardening, power law or saturating law for isotropic hardening, isotropic or anisotropic yield criteria) have been tested to correctly describe the main features of the mechanical behaviour of the different steels. Global satisfactory identification is obtained for all the investigated materials. Moreover, the model was able to give promising predictions of the effect of temper-rolling on the ULC steels behaviour for monotonous simple shear test after temper-rolling
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2

Akcaoglu, Fehmi Umit. "Investigating The Effect Of Deformation And Annealing Texture On Magnetic Anisotropy In Low-c Steel Sheets By Magnetic Barkhausen Noise Method". Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615569/index.pdf.

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Deformation and annealing texture in the cold rolled low carbon steels is important for sheet metal forming operations and service performance. The aim of this study is to non-destructively investigate the effect of texture on magnetic anisotropy. Various samples having different textures and residual stress states, due to different % reduction in thickness, annealing and stress relieving treatment, were prepared. Texture maps were obtained by Magnetic Barkhausen noise measurements performed with 100 steps between the ranges of 00-3600 on the surface. Microstructure investigation by optical &
scanning electron microscopy
hardness and tension tests were performed
and texture was determined by X-Ray diffraction method. The results were compared, evaluated and discussed to establish relationship between texture and magnetic Barkhausen Noise emission.
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3

Chiou, Yinwei y 邱胤維. "The Study of Roll Marks in Temper Rolling of Stainless Steel". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/88718497733935703773.

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碩士
義守大學
機械與自動化工程學系
101
Products made by cold-rolled stainless sheets are everywhere in our daily life. Appearance, wavy surface or scratches, is a major concern while consumers choose products. Skin pass rolling is the last procedure of a series of cold rolling. The results will determine the final surface quality. The study focuses on Skin Pass Mill #1 (SPM1) of a major stainless steel manufacturer in Kaohsiung. The mill stand produces a wavy surface while in low operation speed. The thickness between crest and trough is hard to measure by conventional gauges though easy to discern through reflection on the surface. The study consists of two objectives: 1. to measure the frequencies of the waves, and 2. to trace the cause, either it is from the vibrations of the rolls or the speed variations of driving motors. After some intensive study, it is determined that the motor control algorithm results in variation in speeds of coiler and rolling mill which inconsistently stretches sheet metal is the main cause of the wavy surface.
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Tsou, Wen-Ju y 鄒文儒. "Effect of Temper Rolling on the Magnetic Properties of high Aluminum Non-oriented Electrical Steels". Thesis, 2016. http://ndltd.ncl.edu.tw/handle/06869794529503041556.

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碩士
國立雲林科技大學
機械工程系
104
Non-oriented electrical steel is an important functional material. Its magnetic properties directly affect the energy efficiency of lamination motors. η-fiber texture is benefit to the magnetic property. On the other hand, γ-fiber texture is deleterious to the magnetic property. In this study, the effect of process parameter, such as hot band annealing by BA process and CA process, temper rolling reduction from 0 to 12% on the microstructure, grain size, texture and magnetic properties of high aluminum bearing non-oriented electrical steel were investigated. It was found that both cold rolled steel sheet annealing temperature and temper rolling reduction had great influence on the microstructure and texture of electrical steel after final annealing. Grain size of steel sheet after final annealing was 10 to 15μm larger thanthat of cold rolled sheet annealing. Furthermore, if steel sheets by BA process were annealed at 600 - 700℃, their η-fiber textures were strong and γ-fiber texture became weak. Therefore, their magnetic properties were better. Moreover, steel sheet by CA process could possess strong η-fiber texture. Steel sheet with 4% temper reduction had weak γ-fiber texture. EBSD was also conducted to measure the grain orientation.
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Huang, Zi-Pin y 黃至平. "Effect of hot-rolling on the microstructures and erosion wear of duplex stainless steel containing tempered martensite and ferrite". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/17981919798828368271.

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碩士
中華技術學院
機電光工程研究所碩士班
96
The main purpose of this research was to delinate the microstructural changes and the precipitation behavior of carbides in duplex stainless steel during tempering at 200- 600℃as influence by hot rolling with ratious reductions at 900℃.The microstructural changes were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). An X-ray diffractometer(XRD) was also utilized to analyze the deformation-induced martensite from retained austenite after erosion test. The results indicated that the microstructure of the experimental material consisted of tempered martensite with carbides, bandedδ-ferrite and a small amount of retained austenite when the as-received specimens were tempered at 500 and 600℃, the predominant carbide was Cr23C6. They were precipitated at the boundaries of martensite laths and some carbides were distributed as a chain at and in the vicinity of grain boundaries. Only a few carbides were found in the martensite matrix. For specimens after hot rolling and tempering, high density of dislocation was presented in both of ferritic and martensitic matrix. The blocky Cr23C6 carbides were difficult to find at boundaries of ferrite and martensitic laths for all specimens tempered at 200-600℃ but some bamboo-leaf-like Cr7C3 carbides were existed within specimens tempered at temperatures lower than 400℃. The XRD patterns of specimens of unrolled and rolled-50% showed that there was no microstructure change during tempering. After erosion test, the deformation-induced ε-martensite reflection presented. The intensities of ε-martensite peaks increase with increasing in impact angle.
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Capítulos de libros sobre el tema "Temper Rolling"

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Vincent, G., C. Counhaye y Claude Esling. "Simulating the Temper Rolling of Galvanized Steel". En Solid State Phenomena, 371–78. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-09-4.371.

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Okazaki, Toshiro, Yukio Kimura, Hideo Kijima y Masaru Miyake. "Effect of Delivery Angle on Longitudinal Buckling in Temper Rolling of Thin Steel Strips". En Forming the Future, 2467–81. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_204.

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Lima, Liana M. F. G. de, Nelson Batista de Lima, R. L. Plaut y Angelo Fernando Padilha. "Microstructure and Texture Evolution during Annealing after Temper Rolling of a 2 wt.-% Silicon Electric Steel". En THERMEC 2006, 3430–35. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.3430.

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Ko, Kyung-Jun, Jong-Tae Park y Chan-Hee Han. "Effect of Temper Rolling Reduction Prior to Hot Band Annealing on the Goss Texture Formation in Grain-Oriented Electrical Steels". En Proceedings of the 6th International Conference on Recrystallization and Grain Growth (ReX&GG 2016), 191–96. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119328827.ch28.

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Ko, Kyung-Jun, Jong-Tae Park y Chan-Hee Han. "Effect of Temper Rolling Reduction Prior to Hot Band Annealing on the Goss Texture Formation in Grain-Oriented Electrical Steels". En Proceedings of the 6th International Conference on Recrystallization and Grain Growth (ReX&GG 2016), 191–96. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48770-0_28.

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Gao, Yakun, Yinli Chen, Liming Xu y Yuhao Wang. "Influence of Finish Rolling Temperature on Microstructure and Property of Non-Quenched and Tempered Steel". En HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 371–77. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119223399.ch42.

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Gao, Yakun, Yinli Chen, Liming Xu y Yuhao Wang. "Influence of Finish Rolling Temperature on Microstructure and Property of Non-Quenched and Tempered Steel". En HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 371–77. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48767-0_42.

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Lenard, John G. "Temper Rolling". En Primer on Flat Rolling, 217–29. Elsevier, 2007. http://dx.doi.org/10.1016/b978-008045319-4/50009-7.

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Lenard, John G. "Temper Rolling". En Primer on Flat Rolling, 291–302. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-08-099418-5.00012-3.

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"Temper Rolling". En Encyclopedia of Lubricants and Lubrication, 2049. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_100735.

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Actas de conferencias sobre el tema "Temper Rolling"

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Krimpelstaetter, Konrad. "TRIPLE-A: HIGH SOPHISTICATED ROLLING MODEL WITH SPECIAL EMPHASIS ON ROLLING CONDITIONS IN THE FINAL PASS OF COLD AND TEMPER ROLLING MILLS". En 49º Seminário de Laminação. São Paulo: Editora Blucher, 2012. http://dx.doi.org/10.5151/2594-5297-22546.

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Krimpelstätter, Konrad. "Non Circular Arc Temper Rolling Model Considering Radial And Circumferential Work Roll Displacements". En MATERIALS PROCESSING AND DESIGN: Modeling, Simulation and Applications - NUMIFORM 2004 - Proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes. AIP, 2004. http://dx.doi.org/10.1063/1.1766586.

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Hai-Tao He y Hong-Min Liu. "The research on integrated neural networks in rolling load prediction system for temper mill". En Proceedings of 2005 International Conference on Machine Learning and Cybernetics. IEEE, 2005. http://dx.doi.org/10.1109/icmlc.2005.1527653.

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Abvabi, Akbar, Bernard Rolfe, Peter D. Hodgson y Matthias Weiss. "Effect of temper rolling on final shape defects in a V-section roll forming process". En NUMISHEET 2014: The 9th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes: Part A Benchmark Problems and Results and Part B General Papers. AIP, 2013. http://dx.doi.org/10.1063/1.4850114.

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Konrad, Joachim, Diana Toma, Volker Rohden y Guido Kubla. "Heavy Wall Seamless Line Pipe X70–X80 for Sour Service Applications". En 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31237.

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The continued shift of exploration and production to deep water fields will require the industry to develop alternative pipe solutions to cope with the challenging demands of these exploration regions. Because of the complexity of exploration conditions in deep water fields, e.g. high pressures, low temperature and sour reservoirs, higher grades and heavier wall thickness in combination with low temperature toughness and suitability for sour service are required. The Vallourec&Mannesmann Tubes’s alloying concept for line pipe steels based on low carbon concept [1] was extended to grades X70 and X80 with wall thicknesses up to 75mm. In this paper the latest results on industrial studies on high strength heavy-wall steels manufactured by seamless hot rolling and subsequent quench and temper treatment are presented. The work is a part of the development program for high performance heavy wall seamless pipes for special applications such as J-lay collars, buckle arrestors and risers. Mechanical properties, advanced metallographic examinations, results of the sour service resistance and weldability are reported.
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Batista, Gilmar Zacca, Leonardo Naschpitz, Eduardo Hippert y Ivani de Souza Bott. "Induction Hot Bending and Heat Treatment of 20” API 5L X80 Pipe". En 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10089.

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The present work discusses the effect of the induction hot bending process on the microstructure and the mechanical properties of an API 5L X80, 20” pipe produced by the UOE process. The key characteristic of the pipe was the manufacturing process of the steel plate, involving thermomechanical controlled rolling without accelerated cooling. The pipe bending was carried out applying local induction heating followed by water quenching and a further temper heat treatment which was applied to the curved section. The methodology of analysis compared the curved section with the original body pipe (tangent end), taking into account dimensional analysis, microstructural evaluation and mechanical tests which included Charpy-V impact, tensile and microhardness. A significant microstructural change and decrease, not only in the transition temperature, but also in the yield strength, occurred after induction bending. This reduction resulted in a tensile strength below the standard requirements. The subsequent tempering heat treatment applied to the curved section produced an increase in the yield strength to achieve the API 5L requirements for this class of steel.
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Amirkamali, M. y M. Aghaie-Khafri. "The Effects of Ausforming on the Precipitating Process and Mechanical Properties of 17-4PH Stainless Steel". En ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25250.

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In this study, the effects of ausforming on the precipitating process and mechanical properties of 17-4PH stainless steel were investigated. For doing ausforming, samples were solution treated at 1050°C for an hour, and then quenched into a salt bath furnace at 400°C. Rolling at 400°C in different percents was done for achieving different mechanical works. After finishing ausforming process, samples were tempered for precipitating at 300,400,500 and 600°C for 1, 2, 4, 8, 16 and 32h. Microstructural studies were done for finding the changes on precipitating process and tensile and hardness test done to study mechanical properties. Scanning electron microscope was used to show precipitates and other phases. Also EDS method used to analyze the elements in each phases.
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Toma, Diana, Silke Harksen, Dorothee Niklasch, Denise Mahn y Ashraf Koka. "Development of X90 and X100 Steel Grades for Seamless Linepipe Products". En 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33099.

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The general trend in oil and gas industry gives a clear direction towards the need for high strength grades up to X100. The exploration in extreme regions and under severe conditions, e.g. in ultra deep water regions also considering High Temperature/High Pressure Fields or arctic areas, becomes more and more important with respect to the still growing demand of the world for natural resources. Further, the application of high strength materials enables the possibility of structure weight reduction which benefits to materials and cost reduction and increase of efficiency in the pipe line installation process. To address these topics, the development of such high strength steel grades with optimum combination of high tensile properties, excellent toughness properties and sour service resistivity for seamless quenched and tempered pipes are in the focus of the materials development and improvement of Vallourec. This paper will present the efforts put into the materials development for line pipe applications up to grade X100 for seamless pipes manufactured by Pilger Mill. The steel concept developed by Vallourec over the last years [1,2] was modified and adapted according to the technical requirements of the Pilger rolling process. Pipes with OD≥20″ and wall thickness up to 30 mm were rolled and subsequent quenched and tempered. The supportive application of thermodynamic and kinetic simulation techniques as additional tool for the material development was used. Results of mechanical characterization by tensile and toughness testing, as well as microstructure examination by light-optical microscopy will be shown. Advanced investigation techniques as scanning electron microcopy and electron backscatter diffraction are applied to characterize the pipe material up to the crystallographic level. The presented results will demonstrate not only the effect of a well-balanced alloying concept appointing micro-alloying, but also the high sophisticated and precise thermal treatment of these pipe products. The presented alloying concept enables the production grade X90 to X100 with wall thickness up to 30 mm and is further extending the product portfolio of Vallourec for riser systems for deepwater and ultra-deep water application [1, 3, 4].
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