Gotowe bibliografie tematyczne / Manganese TWIP

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Gotowa bibliografia na temat „Manganese TWIP”

Autor: Grafiati
Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Manganese TWIP"

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Moon, K. M., D. A. Kim, Y. H. Kim i M. H. Lee. "Effect of Mn content on corrosion characteristics of lean Mn TWIP steel". International Journal of Modern Physics B 32, nr 19 (18.07.2018): 1840083. http://dx.doi.org/10.1142/s0217979218400830.

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It is important that the steel plate is manufactured with a high tensile strength to reduce the weight of the body. It is generally accepted that twinning induced plasticity (TWIP) steel is a special steel with not only a high ductility but also a high-tensile strength compared to general steel. While numerous investigations have been carried out on the TWIP steel with an amount of manganese of at least 20%, the investigation of steel with manganese content of less than 20% has seldom been considered until now. In this study, the TWIP steel with manganese of less than 20% (12Mn, 15Mn and 18Mn TWIP steel) was investigated to determine the corrosion properties using electrochemical method. The 18Mn and 12Mn samples exhibited the best and worst corrosion resistance, respectively. It is suggested that the 18Mn sample forms a stable oxide film on the surface because it contains a larger amount of manganese and aluminum compared to the other samples, and their composition enables the easy formation of the oxide film.
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Razavi, Gholam Reza. "The Study of Type Twin Annealing in High Mn Steel". Applied Mechanics and Materials 148-149 (grudzień 2011): 1085–88. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.1085.

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TWIP steels are high manganese steel (Mn: 17% - 35%) which are used for shaping car bodies. The structure of this kind of steels remains austenite even in room temperature. Due to low SFE (Stacking Fault Energy) twinning of grains is governing reformation mechanism in this kind of steels which strengthen TWIP steel. Regarding heat treatment influences on mechanical properties of TWIP steels, in this paper we discuss twinning phenomenon resulting from this kind of treatment. For this, following casting and hot rolling processes, we anneal the steel at 1100°C and different time cycles and study its microstructure using light microscope. The results showed that with decreasing grain size the number of twin annealing added And four types of annealing twin in the microstructure, in the end they all become one twin and then turn into grain.
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Tewary, Nisith Kumar, Swarup Kumar Ghosh i Subrata Chatterjee. "Effect of Al Content in Low Carbon High Manganese TWIP Steel". Key Engineering Materials 706 (sierpień 2016): 16–22. http://dx.doi.org/10.4028/www.scientific.net/kem.706.16.

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Al addition in TWIP steel not only reduces the specific weight but also increases the stacking fault energy which strongly affects the deformation mechanisms. Hot rolled air cooled TWIP steel with low Al content (1.61 wt. %) reveals duplex microstructure comprising austenite with ferrite, whereas steel with higher content of Al (3.56 wt. %) reveals fully austenite microstructure. It is evident that nano-twins are formed within austenite grain after 50% cold deformation. TWIP steel with the duplex microstructure exhibits an excellent combination of strength and ductility. Hardness and tensile strength values of air cooled steel specimens increase with a concomitant lowering of total elongation with the application of cold deformation. However, steel with low Al content shows higher hardness and tensile strength along with lower elongation as compared to the TWIP steel having higher Al content.
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Tewary, NK, SK Ghosh i S. Chatterjee. "Deformation behaviour of low carbon high Mn twinning-induced plasticity steel". Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, nr 3 (16.10.2017): 763–71. http://dx.doi.org/10.1177/0954406217730440.

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The present study deals with the deformation behaviour of low carbon and high manganese twinning-induced plasticity (TWIP) steel (Fe–21Mn–3Si–3Al–0.06C, wt%) through microstructural investigation. Low carbon with high manganese along with the addition of aluminium in TWIP steel results in lowering of specific weight with higher strain hardening due to the formation of mechanical twins during deformation. The full austenite phase is obtained after solution treatment and deformation twins appear and austenite grains become flattened during application of 10% to 50% cold deformation. The annealing twins are relatively coarser compared to the newly formed deformation twins. With the increasing amount of cold deformation, deformation twins and dislocation density are increased. Deformation twinning can be considered to be the dominant deformation mechanism during the course of cold rolling applied in the present study. The cold deformation results in the evolution of dislocation substructure, stacking faults, deformation twins and twin–dislocation interaction, which may be correlated with the lower stacking fault energy (∼24 mJ/m2) of the investigated steel. Excellent combination of strength and ductility has been obtained in the present TWIP steel with a small rolling reduction of 10% and 30%. With the increasing amount of cold deformation, tensile strength notably increases and maximum tensile strength is obtained at 50% cold-deformed sample along with the diminutive sacrifice of the ductility.
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Ma, Peng Hui, Li He Qian, Jiang Ying Meng, Shuai Liu i Fu Cheng Zhang. "Fatigue Crack Growth Behavior of High Manganese Austenitic TWIP Steels". Materials Science Forum 833 (listopad 2015): 7–10. http://dx.doi.org/10.4028/www.scientific.net/msf.833.7.

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Fatigue crack growth (FCG) behavior of three high manganese austenitic twin-induced plasticity (TWIP) steels with different stacking fault energy (SFE) was investigated, aiming at studying the correlation between the FCG resistance and the SFE of the steels. FCG tests were performed using three-point bending specimens at room temperature at stress ratio of 0.1 under the control of stress intensity factor range. Test results showed that the fatigue threshold values of these steels decrease with increasing the SFE. However, in the Paris regime, the crack growth rates of the steels do not appear to correlate directly with SFE. These results are discussed according to the degree of fatigue crack closure and the deformation mode of crack tip zone.
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Wietbrock, Burkhard, M. Bambach, S. Seuren i G. Hirt. "Homogenization Strategy and Material Characterization of High-Manganese TRIP and TWIP Steels". Materials Science Forum 638-642 (styczeń 2010): 3134–39. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.3134.

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In this work a hot forming strategy, consisting of forging and hot rolling, to homogenize casted blocks of high-manganese steels with 0.3 % carbon and 22 % manganese is introduced. The resulting distribution of carbon and manganese is evaluated by microprobe scans. The micro-segregation of manganese could be reduced from 7 weight percent to 2. To create the obtained hot forming strategy hot compression tests have been carried out. The deformation behavior has been characterized for two steels with 22 % manganese and between 0.3 and 0.7 % carbon content in the temperature range between 700 and 1200°C and strain rates between 0.1 and 10 s-1.
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Kang, Mihyun, Wan Chuck Woo, Vyacheslav Em, Young Kook Lee i Baek Seok Seong. "In Situ Neutron Diffraction Measurements of the Deformation Behavior in High Manganese Steels". Materials Science Forum 772 (listopad 2013): 73–77. http://dx.doi.org/10.4028/www.scientific.net/msf.772.73.

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Deformation behavior of high Mn TWIP (twinning induced plasticity) steels was observed using neutron diffraction. Two kinds of specimens were prepared; 0 and 2 wt% of Al TWIP steels. The lattice strains and peak widths of hkl grains were measured under tensile loading. The results provide an insight into the influence of the Al contents on the deformation behavior associated with the microstructure changes in TWIP steels.
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Wang, Li Hui, Di Tang, Hai Tao Jiang, Ji Bin Liu i Yu Chen. "Effects of Different Manganese Content on Microstructures and Properties of TWIP Steel". Advanced Materials Research 399-401 (listopad 2011): 254–58. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.254.

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By analysis of TWIP Steels with different manganese content, the results showed that the microstructures and properties had been changed with different Mn content. The elongation of the tested steel with 22.5% Mn was high for 55.5 % and n value of that reached to 0.360. When Mn content of the tested steel was 17.9%, the yield and tensile strength were higher and its elongation was lower for the tested steel than that of the tested steel with 22.5% Mn. The microstructures of the tested steel with high Mn content were austenite before and after being stretched at room temperature. Mn content was decreased and the microstructure of the tested steel after being stretched had a small amount of martensite transformation at room temperature. That is to say, double effect with TWIP and TRIP had occurred, but TWIP effect was dominant. TWIP effect increased plasticity and strain hardening capacity to improve formability. TRIP effect was mainly to improve strength so as to further attain the strength of the tested steel.
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Borek, Wojciech, Małgorzata Czaja, Krzysztof Labisz, Tomasz Tański, Mariusz Krupiński i Stanislav Rusz. "High Manganese Austenitic X6MnSiAlNbTi26-3-3 Steel - Characteristic, Structures and Properties". Advanced Materials Research 1036 (październik 2014): 18–23. http://dx.doi.org/10.4028/www.scientific.net/amr.1036.18.

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The aim of this paper is to determine the high-manganese austenite propensity to twinning induced by the cold working and its effect on structure and mechanical properties, and especially the strain energy per unit volume of new-developed high-manganese Fe – Mn – (Al, Si) investigated steel with various structures after their thermo-mechanical treatments. The new-developed high-manganese steel provides an extensive potential for automotive industries through exhibiting the twinning induced plasticity (TWIP) and transformation induced plasticity (TRIP) mechanisms. TWIP steels not only show excellent strength, but also have excellent formability due to twinning, thereby leading to excellent combination of strength, ductility, and formability over conventional dual phase steels or transformation induced plasticity TRIP steels. The microstructure evolution in successive stages of deformation was determined in metallographic investigations using light, scanning and transmission electron microscopies as well as X-ray diffraction methods.
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Gutierrez-Urrutia, Ivan, i Dierk Raabe. "Study of Deformation Twinning and Planar Slip in a TWIP Steel by Electron Channeling Contrast Imaging in a SEM". Materials Science Forum 702-703 (grudzień 2011): 523–29. http://dx.doi.org/10.4028/www.scientific.net/msf.702-703.523.

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We study the dislocation and twin substructures in a high manganese twinning-induced-plasticity steel (TWIP) by means of electron channeling contrast imaging. At low strain (true strain below 0.1) the dislocation substructure shows strong orientation dependence. It consists of dislocation cells and planar dislocation arrangements. This dislocation substructure is replaced by a complex dislocation/twin substructure at high strain (true strain of 0.3-0.4). The twin substructure also shows strong orientation dependence. We identify three types of dislocation/twin substructures. Two of these substructures, those which are highly favorable or unfavorable oriented for twinning, exhibit a Schmid behavior. The other twin substructure does not fulfill Schmid’s law.
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Rozprawy doktorskie na temat "Manganese TWIP"

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Saeed-Akbari, Alireza [Verfasser]. "Mechanism Maps, Mechanical Properties, and Flow Behavior in High-Manganese TRIP/TWIP and TWIP Steels / Alireza Saeed-Akbari". Aachen : Shaker, 2011. http://d-nb.info/107408795X/34.

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Beal, Coline. "Mechanical behaviour of a new automotive high manganese TWIP steel in the presence of liquid zinc". Phd thesis, INSA de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00679521.

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High manganese TWIP (TWinning Induced Plasticity) steels are particularly attractive for automotive applications because of their exceptional properties of strength combined with an excellent ductility. However, as austenitic steels, they appear to be sensitive to liquid zinc embrittlement during welding, the liquid zinc arising from the melted coating due to the high temperatures reached during the welding process. In this framework, the cracking behaviour of a high manganese austenitic steel has been investigated in relation to the liquid metal embrittlement (LME) phenomenon by hot tensile tests carried out on electro-galvanized specimens using a Gleeble 3500 thermomechanical simulator. The influence of different parameters such as temperature and strain rate on cracking behaviour has been studied. Embrittlement appears within a limited range of temperature depending on experimental conditions. Conditions for which cracking occurs could be experienced during welding processes. The existence of a critical stress above which cracking appears has been evidenced and this critical stress can be used as a cracking criterion. Finally, the study of the influence of different parameters such as time of contact between steel and liquid zinc before stress application, coating and steel on LME occurrence provides understanding elements of LME mechanism and permits to suggest solutions for preventing cracking during spot welding of such steels.
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Béal, Coline. "Mechanical behaviour of a new automotive high manganese TWIP steel in the presence of liquid zinc". Thesis, Lyon, INSA, 2011. http://www.theses.fr/2011ISAL0029/document.

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Les aciers TWIP (TWinning Induced Plasticity) à haute teneur en manganèse sont particulièrement prometteurs pour les applications automobiles de par leur excellent compromis entre résistance mécanique et ductilité. Cependant, la microstructure austénitique leur confère une sensibilité à la fragilisation par le zinc liquide durant les procédés de soudage ; le zinc liquide provenant de la fusion du revêtement résultant de l’élévation de température à la surface de l’acier. Dans cette étude, la fissuration d’un acier austénitique à haute teneur en manganèse a été étudiée en rapport avec le phénomène de fragilisation par les métaux liquides par des essais de traction à chaud réalisés sur des éprouvettes électrozinguées au moyen d’un simulateur thermomécanique Gleeble 3500. L’influence de nombreux paramètres tels que la température et la vitesse de déformation sur la fissuration a été étudiée. La fragilisation apparaît dans un domaine de température limité qui dépend des conditions expérimentales. Les conditions pour lesquelles la fissuration apparaît peuvent être rencontrées durant les procédés de soudage. L’existence d’une contrainte critique pour laquelle la fissuration apparait a été mise en évidence et celle-ci peut être utilisée comme critère de fissuration. Enfin, l’étude de l’influence de différents paramètres tels que le temps de contact entre l’acier et le zinc liquide avant l’application des contraintes, le revêtement et l’acier sur l’apparition de la fragilisation apporte des éléments de compréhension du mécanisme de fissuration et permet de proposer des solutions pour éviter la fissuration durant le soudage par point de l’acier étudié
High manganese TWIP (TWinning Induced Plasticity) steels are particularly attractive for automotive applications because of their exceptional properties of strength combined with an excellent ductility. However, as austenitic steels, they appear to be sensitive to liquid zinc embrittlement during welding, the liquid zinc arising from the melted coating due to the high temperatures reached during the welding process. In this framework, the cracking behaviour of a high manganese austenitic steel has been investigated in relation to the liquid metal embrittlement (LME) phenomenon by hot tensile tests carried out on electro-galvanized specimens using a Gleeble 3500 thermomechanical simulator. The influence of different parameters such as temperature and strain rate on cracking behaviour has been studied. Embrittlement appears within a limited range of temperature depending on experimental conditions. Conditions for which cracking occurs could be experienced during welding processes. The existence of a critical stress above which cracking appears has been evidenced and this critical stress can be used as a cracking criterion. Finally, the study of the influence of different parameters such as time of contact between steel and liquid zinc before stress application, coating and steel on LME occurrence provides understanding elements of LME mechanism and permits to suggest solutions for preventing cracking during spot welding of such steels
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Mosecker, Linda Verfasser], Wolfgang [Akademischer Betreuer] [Bleck i Joachim [Akademischer Betreuer] Mayer. "Materials design of high nitrogen manganese austenitic stainless TWIP steels for strip casting / Linda Mosecker ; Wolfgang Bleck, Joachim Mayer". Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1126040770/34.

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Mosecker, Linda [Verfasser], Wolfgang [Akademischer Betreuer] Bleck i Joachim [Akademischer Betreuer] Mayer. "Materials design of high nitrogen manganese austenitic stainless TWIP steels for strip casting / Linda Mosecker ; Wolfgang Bleck, Joachim Mayer". Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1126040770/34.

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Haase, Christian [Verfasser], Dmitri A. [Akademischer Betreuer] Molodov i Wolfgang [Akademischer Betreuer] Bleck. "Texture and microstructure evolution during deformation and annealing of high-manganese TWIP steels / Christian Haase ; Dmitri A. Molodov, Wolfgang Bleck". Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1130590003/34.

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Mendonça, Roberto Ramon. "Soldagem por fricção e mistura mecânica de aço austenítico alto manganês com efeito TRIP". Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/18/18158/tde-14102014-082116/.

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O desenvolvimento e utilização de novos materiais, mais leves e com propriedades mecânicas superiores aos atuais, se mostram extremamente importantes devido à redução de peso e consequentemente redução na emissão de gases poluentes que poderiam gerar. As ligas de Fe-Mn-C com elevados teores de Mn (20-30%) representam um desenvolvimento muito recente de aços austeníticos, que, através dos seus mecanismos diferenciados de deformação reúnem elevada resistência mecânica com grande ductilidade. Essa nova classe de materiais estruturais possibilita uma efetiva redução de custos na produção através do reduzido tempo de processamento (sem a necessidade de tratamentos térmicos especiais e de processamentos termomecânicos controlados). A soldagem é, atualmente, o mais importante processo de união de metais usado no setor industrial. Dentro da variada gama de processos de soldagem existentes, a soldagem por fricção e mistura mecânica (SFMM, em inglês: Friction Stir Welding - FSW) se destaca por ser um processo de união no estado sólido que apresenta uma série de vantagens sobre as tecnologias convencionais de soldagem por fusão. Do ponto de vista metalúrgico, uma das suas principais vantagens se manifesta justamente na junção de materiais dissimilares, visto que o grau de mistura de composições e as transformações de fases entre materiais incompatíveis podem ser minimizados. Outra vantagem é que há um refino de grão no cordão de solda comparado com a microestrutura fundida que se forma nos processos convencionais. Este trabalho teve como objetivo produzir em escala laboratorial os aços de alta liga ao manganês com efeito TRIP, avaliar o impacto da velocidade de rotação da ferramenta na soldagem por fricção e mistura mecânica e avaliar a microestrutura e propriedades mecânicas das juntas soldadas. A microestrutura das juntas soldadas caracterizou-se pela presença apenas da zona de mistura e do metal base, além da formação de \'anéis de cebola\' na zona de mistura, esta não mostrou sinais de transformação martensítica induzida por deformação e sofreu recristalização dinâmica para todas as velocidades de rotação investigadas com a formação de grãos refinados e com morfologia equiaxial. Os corpos de tração fraturaram todos nos metais de base, mostrando que as propriedades mecânicas da zona de mistura foram superiores à do metal base e que a variação de aporte térmico alcançada com a velocidade de rotação da ferramenta não comprometeu a qualidade das juntas soldadas.
The development and application of new light materials with superior mechanical properties is extremely important to weight reduction in vehicles and consequently reduction of greenhouse gases emission. The Fe-Mn-C steels with high Mn (20-30%) are a recent development of austenitic steels, which, due to their different mechanisms of deformation, possesses high strength and high ductility as well. In addition, this new type of structural steel allows an effective reduction of manufacturing costs due to its reduced processing time (it does not require special heat treatments and controlled thermo mechanical processing). Welding has been one of the most important processes for joining metals. Among the available welding processes, friction stir welding (FSW) is notable for being a solid state process with great advantages over the conventional welding methods. In the mettalurgical point of view, welding dissimilar materials is a significant advantage of FSW over the other process. The main reason is the reduction of mixture of material and phase transformations between the incompatible materials in the weld. Moreover, grain refinement is another advantage from the process. The present study aimed to produce laboratorial scale high Mn steels with TRIP effect, investigate the impact of tool speed ont the microstructure and mechanical properties of friction stir welded joints. The microstructure of the welded joints exhibited only the stirred zone (SZ) and the base material (BM), besides the presence of ´onion rings´ within the stirred zone. The SZ exhibited no signs of martensite suggesting that dynamic recrystallization have occurred for all the speed tested. Moreover, the grains in the SZ had equiaxial morphology and were significantly refined. The fracture of the tensile specimens occurred in the base material, bringing to light that the welding process was beneficial to the mechanical properties. Furthermore, the variation of heat input achieved with the speed did not compromise the quality of welded joints.
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Jäpel, Tom Verfasser], Stefan [Akademischer Betreuer] Zaefferer, Dierk [Akademischer Betreuer] [Raabe i Joachim [Akademischer Betreuer] Mayer. "Feasibility study on local elastic strain measurements with an ebsd pattern cross correlation method in elastic-plastically deforming materials : applications on high manganese TWIP steels / Tom Jäpel ; Stefan Zaefferer, Dierk Raabe, Joachim Mayer". Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/1129180786/34.

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Jäpel, Tom [Verfasser], Stefan Akademischer Betreuer] Zaefferer, Dierk [Akademischer Betreuer] [Raabe i Joachim [Akademischer Betreuer] Mayer. "Feasibility study on local elastic strain measurements with an ebsd pattern cross correlation method in elastic-plastically deforming materials : applications on high manganese TWIP steels / Tom Jäpel ; Stefan Zaefferer, Dierk Raabe, Joachim Mayer". Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/1129180786/34.

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Vogel, Anastasia. "The Siamese-Twin Porphyrin and its Metal Complexes: Platforms for Multi-Electron Redox Chemistry". Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://hdl.handle.net/11858/00-1735-0000-002B-7D43-3.

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Części książek na temat "Manganese TWIP"

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Keil, D., M. Zinke i H. Pries. "Investigations on Hot Cracking of Novel High Manganese TWIP-Steels". W Hot Cracking Phenomena in Welds III, 209–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-16864-2_12.

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De Cooman, B. C., L. Chen, Han Soo Kim, Y. Estrin, S. K. Kim i H. Voswinckel. "State-of-the-Science of High Manganese TWIP Steels for Automotive Applications". W Microstructure and Texture in Steels, 165–83. London: Springer London, 2009. http://dx.doi.org/10.1007/978-1-84882-454-6_10.

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Dobrzański, Leszek A., Janusz Mazurkiewicz, Wojciech Borek i Małgorzata Czaja. "Newly-Developed High-Manganese Fe–Mn–(Al, Si) Austenitic TWIP and TRIP Steels". W Rolling of Advanced High Strength Steels, 224–88. Boca Raton, FL : CRC Press, [2017]: CRC Press, 2017. http://dx.doi.org/10.1201/9781315120577-6.

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Niendorf, Thomas, Felix Rubitschek, Hans J. Maier i Andreas Frehn. "On the Fatigue Crack Growth in High-Manganese Austenitic TWIP Steel - Influence of the Microstructure". W Fatigue of Materials, 55–66. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9781118013373.ch5.

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Fabrègue, D., C. Landron, C. Béal, X. Kleber, E. Maire i M. Bouzekri. "Understanding the mechanical behaviour of a high manganese TWIP steel by the means of in situ 3D X ray tomography". W Optical Measurements, Modeling, and Metrology, Volume 5, 27–32. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0228-2_4.

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Wesselmecking, Sebastian, Marc Ackermann, Charline Blankart, Jing Wang, Frederike Brasche, Tobias Plum, Siyuan Qin i in. "Toward Holistic Digital Material Description During Press-Hardening". W Internet of Production, 1–16. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-98062-7_22-1.

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AbstractPress hardening of manganese-boron steels is one of the most widely used production processes for high-strength automotive components. The low residual formability of these parts is a decisive disadvantage. The low formability originates from a strong, but brittle martensitic microstructure transformed during quenching in the press-hardening tool. In contrast, medium manganese steels (MMnS) contain high fractions of ductile retained austenite improving press-hardened parts toward promising candidates for crash-relevant car body components. Disadvantages include a more complex alloy design, a highly sensitive production process, and more demanding requirements on the tool due to higher strength during press-hardening.A detailed description of the entire production process along the process chain including the material and the press-hardening tool is important for tailoring the properties. Combined information is required to enable a precise control of the production process and its influences on the final properties of the part. Maximum economic use of the material is achieved by digitally describing MMnS as well as the tool along the entire process chain (casting, forging, hot rolling, cold rolling, galvanizing and press hardening including Q&P). To link the process steps and to describe the changes of the material, a new material database structure (idCarl) was developed. All production parameters are recorded and processed as a digital material twin. Ultimately, deviations occurring during production process can be deduced from in-line data analysis and counteracted. These can then be counteracted by adapted process control and the product can be brought back into the required parameter field of properties. Clear identification of the component and the used material allows conclusions about steps responsible for errors in the production process that become apparent during use.
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De Cooman, B. C. "Phase transformations in high manganese twinning-induced plasticity (TWIP) steels". W Phase Transformations in Steels, 295–331. Elsevier, 2012. http://dx.doi.org/10.1533/9780857096111.2.295.

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Streszczenia konferencji na temat "Manganese TWIP"

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Curtze, S., V. T. Kuokkala, M. Hokka i T. Saarinen. "Microstructure and texture evolution in high manganese TWIP steels". W DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/dymat/2009141.

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PODANÝ, Pavel, Michal DUCHEK i Tomáš STUDECKÝ. "Heat Treatment of Low Carbon High Manganese TWIP Steel". W METAL 2019. TANGER Ltd., 2019. http://dx.doi.org/10.37904/metal.2019.867.

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JABŁOŃSKA, M. B. "Specific behavior of high-manganese steels in the context of temperature increase during dynamic deformation". W Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-92.

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Abstract. In recent years, a development of AHSS steels for manufacturing parts for the automotive industry is the observed trend. The high-manganese steels with aluminium and silicon addition, exhibiting twinning induced plasticity (TWIP) effect, are one of the most interesting modern materials, due to their unique combination of both very good strength and great ductility. However, the material behaviour during plastic deformation depends not only on the chemical composition but also on deformation conditions, inter alia, strain rate and temperature. TWIP steels can be used for production of energy-absorbing parts, therefore it is very important to analyse their deformation behaviour at high strain rates. The paper presents the effect of deformation in quasi-static and dynamic conditions on the microstructure of an experimental TWIP steel. The experiments were performed on tensile testing machine and on the flywheel machine. The microstructure was analyzed by optical and scanning transmission electron microscopy. Thanks to the measurements during the quasi-static test and numerical simulations of both tensile tests, the temperature increase was determined in the sample region from which the sections for microstructural studies were taken. It was found that the temperature increase in dynamic conditions can affect the microstructure evolution in the investigated TWIP steel.
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da Silva Lima, M. N. "Microstructural and corrosion study of a “non-comercial” high manganese steel". W Superplasticity in Advanced Materials. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902615-37.

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Abstract. High-Mn steels have great plasticity when subjected to deformation due to TWIP or TRIP effects. This work evaluated the microstructural evolution, the formation of the -Martensite phase taking into account the hot rolling of 80-60% and the solution annealing. Afterwards, microstructures were analyzed by SEM. Volume fraction of the Austenite and -Martensite phases were measured by EBSD technique. The steel obtained low energy levels of stacking fault, favoring the effect TRIP. Corrosion resistance in 0.1M NaCl solution was analyzed by open potential circuit and potentiodynamic polarization techniques. The analysis of the curves and the surface of the steel after the polarization tests showed that the steel with less strain had relatively nobler potential than the steel with more strain.
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Jiang, Yinghua, Yun Han i Chunqian Xie. "Effect of microstructure and mechanical properties on hole expansion property of high manganese TWIP steel". W MATERIALS SCIENCE, ENERGY TECHNOLOGY AND POWER ENGINEERING III (MEP 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5125380.

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Horibe, Y., S. Takeyama i S. Mori. "Large-scale phase separation with nano-twin domains in manganite spinel (Co,Fe,Mn)3O4". W FRONTIERS IN MATERIALS SCIENCE (FMS2015): Proceedings of the 2nd International Symposium on Frontiers in Materials Science. Author(s), 2016. http://dx.doi.org/10.1063/1.4961358.

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Faidley, LeAnn E., Marcelo J. Dapino, Gregory N. Washington i Thomas A. Lograsso. "Dynamic Response in the Low-kHz Range and Delta-E Effect in Ferromagnetic Shape Memory Ni-Mn-Ga". W ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43198.

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Recent work on ferromagnetic shape memory nickel-manganese-gallium (Ni-Mn-Ga) has demonstrated several characteristics which make this material attractive as an active element for the next generation of intelligent transducers. Alloys of martensitic Ni-Mn-Ga can strain up to 6% as a result of the rotation of twin variants and associated twin boundary motion which occur in these materials in response to magnetic fields. The magnetic actuation holds promise in transducer design because it can lead to enhanced frequency response compared with shape memory alloys with comparable strains. In this paper, we report on experimental measurements collected from a Ni50Mn28.7Ga21.3 sample which has been tested in a solenoid transducer by means of a novel drive configuration consisting of a collinear uniaxial field-uniaxial stress pair. We have observed that the elastic modulus of a Ni-Mn-Ga sample driven in these conditions changes substantially in response to varying bias field. In this paper, we further investigate the dependence of the elastic modulus on ac field intensity and mechanical load as well as bias field. Quasistatic, white noise, and swept-sine excitations were employed to examine the behavior of Ni50Mn28.7Ga21.3 driven under various combinations of magnetic fields and mechanical loads. Mechanically free quasi-static tests demonstrate reversible strains of 6300 με which are consistent with prior measurements on samples with similar composition near the Heusler stoichiometry. Dynamic measurements reveal a significant stiffness increase, of up to 209%, with dc bias field. This frequency shift or ΔE effect is shown to originate in the Ni-Mn-Ga sample and is believed to stem from the reorientation of twin variants in response to varying dc field. These results might facilitate a new class of solenoid-based Ni-Mn-Ga transducers for tunable vibration absorber applications, and lay the ground work for developing methods and criteria for the implementation of broadband Ni-Mn-Ga transducer technologies.
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