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hot deformation effects on austenite

hot deformation effects on austenite

hot deformation effects on austenite

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Effect of hot deformation conditions on austenite grain ...The difference in the sizes of austenite grains with heating of low-carbon steel alloyed with aluminum is due to preliminary hot deformation. At relatively low deformation rates the stability of austenite is affected greatly by the deformation temperature. With increasing deformation rates the effect of temperature weakens.Cited by: 1Publish Year: 1981Author: G. N. Mul'ko, V. V. Pavlov

The Effects of Hot Deformation of Austenite on the Bainite hot deformation effects on austenite

It has been revealed that hot tensile deformation retards the austenite transformation to lower bainite. The overall transformation kinetics slows down and the final attained amount of bainite decreases after completion of the isothermal transformation at 350 °C.Author: Shang Ping Chen, Radhakanta Rana, Bin Xiao, Arunansu HaldarPublish Year: 2018The Effects of Hot Deformation Parameters on the Size of hot deformation effects on austeniteThis paper presents the results of investigations of the effects of hot deformation parameters in compression investigation on the austenite grain size in HSLA steel (0.16% C, 0.037% Nb, 0.004% Ti hot deformation effects on austeniteThe Effects of Hot Deformation Parameters on the Size of hot deformation effects on austeniteSuch effects and factors that occur in microalloyed steels (HSLA) during hot deformation have just a significant impact on grain size of austenite inherited by the structures of transformation after cooling, affecting as a consequence the performance of steel [3-6].Author: Sebastian Gnapowski, Elbieta Kalinowska Ozgowicz, Mariusz Sniadkowski, Aleksandra PietraszekPublish Year: 2019

Materials | Free Full-Text | Effect of Hot Deformation on hot deformation effects on austenite

A significant effect of manganese in slowing down diffusional transformations during the cooling of steel was found. The influence of austenite deformation on the kinetics of austenite to ferrite transformation was noted. The plastically deformed samples showed an accelerated start of ferritic transformation and the extension of its range.Author: Adam Skowronek, Mateusz Morawiec, Aleksandra Kozowska, Wojciech PakieaPublish Year: 2020Influence of Boron on Initial Austenite Grain Size and Hot hot deformation effects on austeniteHowever, in these studies [13,14,15,16,17,18], the effect of boron content on initial austenite grain size and activation energy for hot deformation was not discussed. Therefore, there is an obvious scientific and commercial significance for more insight into influence of boron content on initial austenite grain size and hot deformation behavior.Cited by: 6Publish Year: 2015Author: Yong-liang Gao, Xiang-xin Xue, He YangHot Deformation and Dynamic Recrystallization Behavior of hot deformation effects on austeniteMar 25, 2016 · The hot deformation and dynamic recrystallization (DRX) behavior of austenite-based Fe27Mn11.5Al0.95C steel with a density of 6.55 g cm3 were investigated by compressive deformation at the temperature range of 9001150 °C and strain rate of 0.0110 s1. Typical DRX behavior was observed under chosen deformation conditions and yield-point-elongation-like effect Cited by: 20Publish Year: 2016Author: Ya-Ping Li, Ren-Bo Song, Er-Ding Wen, Fu-Qiang Yang

Effects of plastic deformation on austenite transformation hot deformation effects on austenite

Feb 05, 2020 · The reason for the promotion is that the deformation increases the density of defects such as dislocations and deformation bands in non-recrystallized austenite, which effectively increases the nucleation rate of phase transformation and leads to Author: Xuejiao Zhou, Yongli Chen, Yueyue Jiang, Yueyue Jiang, Yuhua LiPublish Year: 2020Effects of hot deformation on austenite transformation in hot deformation effects on austenite(1998). Effects of hot deformation on austenite transformation in 10w carbon Mo-Nb and C-Mn steels. Materials Science and Technology: Vol. 14, No. 8, pp. 783-792.Cited by: 13Publish Year: 1998Author: V. M. Khlestov, E. V. Konopleva, H. J. McqueenEffects of TiN and AlN Nanoparticles in Hot Deformation of hot deformation effects on austeniteThe mean size of TiN and AlN particles that precipitate during hot deformation was analysed by transmission electron microscopy (TEM). These results, along with the determination of the activation energy, the precipitated volume fraction and the diffusion coefficients of Ti, Al and N in austenite explain the ineffectiveness of these particles hot deformation effects on austeniteCited by: 10Publish Year: 2010Author: Sebastián F. Medina, Manuel Gómez, P. Valles

Effects of TiN and AlN Nanoparticles in Hot Deformation of hot deformation effects on austenite

Request PDF | Effects of TiN and AlN Nanoparticles in Hot Deformation of Austenite in Steels | Recrystallisation kinetics of two low-carbon steels, of which one with Ti and the other with Al as hot deformation effects on austeniteEffect of initial grain size on the mechanical behaviour hot deformation effects on austeniteJan 02, 2021 · Effect of initial grain size on the mechanical behaviour of austenite during deformation under hot-working conditions Author links open overlay panel Eli Saúl Puchi-Cabrera a b c 1 Jean-Dominique Guérin c José Gregorio La Barbera-Sosa c Mirentxu Dubar c Laurent Dubar cAuthor: Eli Saúl Puchi-Cabrera, Eli Saúl Puchi-Cabrera, Jean-Dominique Guérin, José Gregorio La Barbera-Sosa hot deformation effects on austenitePublish Year: 2021Effect of hot plastic deformation of austenite on the hot deformation effects on austeniteThe effect of hot deformation of austenite (compressed by 70% at 1023 K) on the martensitic transformation was studied using scanning electron microscopy and electron backscattering diffraction to hot deformation effects on austenite

Effect of hot plastic deformation of austenite on the hot deformation effects on austenite

Apr 25, 2007 · When the material undergoes recrystalization either during or after hot deformation, the increase in nucleation rate is attributable to the increase in the austenite grain surface area due to decreasing austenite grain size. The deformation temperature and strain rate in the present work were about 1000900 °C and 0.10.3 s 1, respectively.Cited by: 16Publish Year: 2007Author: M. Maalekian, M.L. Lendinez, E. Kozeschnik, H.P. Brantner, H. CerjakEffect of hot plastic deformation in the austenite hot deformation effects on austeniteNov 01, 2007 · The specifics of phase transformations under continuous cooling and problems of structure formation after hot plastic deformation and accelerated cooling of low-alloyed low-carbon steels are considered. The effect of hot plastic deformation in the austenite interval on the kinetics of transformation and the formation of a ferrite-bainite structure is demonstrated.Cited by: 15Publish Year: 2007Author: A. A. Kruglova, V. V. Orlov, E. I. KhlusovaEffect of hot deformation parameters on flow stress and hot deformation effects on austeniteMay 22, 2019 · The hot deformation of austenite is normally considered to have two opposing effects on the shear phase transformation: the promotion effect due to increased nucleation sites and the suppression effect as a result of mechanical stabilization retarding the growth of products [12,13,22].Cited by: 14Publish Year: 2019Author: Liangyun Lan, Wei Zhou, R.D.K. Misra

Effect of hot deformation of austenite on martensitic hot deformation effects on austenite

May 05, 2013 · Thus, the hot deformation of austenite () affects the microstructures and mechanical properties, which strongly influence the cooling transformation behavior , . Many studies have described the effect of hot deformation on the formation of ferrite, pearlite, bainite, and martensite , , , , , . Although the hot deformation of austenite promotes the formation of ferrite and pearlite, this process enhances the stability of austenCited by: 16Publish Year: 2013Author: Hui-Zhen Wang, Ping Yang, Wei-Min Mao, Fa-Yun LuEffect of hot deformation of austenite on martensitic hot deformation effects on austeniteAlthough the hot deformation of austenite promotes the formation of ferrite and pearlite, this process enhances the stability of austenite against bainitic and martensitic transformation.Effect of hot deformation conditions on austenite grain hot deformation effects on austeniteThe difference in the sizes of austenite grains with heating of low-carbon steel alloyed with aluminum is due to preliminary hot deformation. At relatively low deformation rates the stability of austenite is affected greatly by the deformation temperature. With increasing deformation rates the effect of temperature weakens.Cited by: 1Publish Year: 1981Author: G. N. Mul'ko, V. V. Pavlov

Effect of austenite deformation in non-recrystallization hot deformation effects on austenite

Nov 17, 2014 · The influence of austenite deformation in non-recrystallization region on microstructural development in low-silicon content TRIP-assisted steels was investigated. Laboratory simulation of a typical thermomechanical control processing was carried out in an automated hot-compression testing machine. Specimens subjected to a typical multi-stage isothermal Cited by: 10Publish Year: 2014Author: Seyed Mohammad Kazem Hosseini, Abbass Zaeri-Hanzaki, Steve YueEffect of Nb and Ti addition on activation energy for hot deformation effects on austeniteJan 01, 2019 · The first deformation was delivered at approximately 1453 K (1180 °C) and the last at about 873 K (600 °C), covering temperatures typical of hot rolling in the austenite and a reasonable range of temperatures in the ferrite, similar to those employed in warm rolling of IF steels.Cited by: 7Publish Year: 2018Author: Roney Lino, Luiz G.L. Guadanini, Letícia B. Silva, Joaquim G.C. Neto, Ronaldo Barbosa, Ronaldo Barbo hot deformation effects on austeniteEffect of Hot Deformation on the Nitride Precipitation hot deformation effects on austeniteDec 01, 2009 · Effect of Hot Deformation on the Nitride Precipitation Behavior in High Nitrogen Austenitic Steel Effect of Hot Deformation on the Nitride Precipitation Behavior in High Nitrogen Austenitic Steel Wang, Zhenhua; Fu, Wantang; Sun, Shuhua; Zhao, Deli; Zhang, Guoli; Zhang, Wenhui; Qv, Minggui 2009-12-01 00:00:00 JMEPEG (2010) 19:951954 ASM International DOI:

Effect of Hot Deformation on Microstructure, Hardness

of reverted austenite in the greater deformation. Keywords: Maraging, hot deformation, precipitation, reverted austenite, precipitation kinetics. *e-mail: [email protected] hot deformation effects on austenite 1. Introduction Maraging steels present high strength and good fracture toughness, allowing its use in a Cited by: 2Publish Year: 2018Author: Gustavo Henrique de Oliveira Freitas, Carlos Augusto Silva de OliveiraEffect of Double Hit Hot Deformation on the Evolution of hot deformation effects on austeniteSep 11, 2020 · Double-hit hot compression tests were carried on medium-carbon low-alloy steels using Gleeble 3800® thermomechanical simulator. The experiments were performed at strain rates of 0.25 and 0.5 s1 and temperatures of 1150 and 1200 °C with interpass times of 5, 15, and 25 s. The onset of critical stresses for dynamic transformation (DT) for both first and second hit were detected using the hot deformation effects on austeniteAuthor: K. Chadha, C. Aranas, M. JahaziPublish Year: 2020Effect of Boron on Hot Ductility and Room-Temperature hot deformation effects on austeniteThe boron can significantly enhance the hot ductility of steels, mainly because the segregation of boron (B) atoms at the austenite grain boundary delayed the austenite/ferrite transformation, which may avoid the formation of ferrite films at austenite grain boundary and can strengthen the resistance against grain boundary slip during the straightening, improving the hot ductility [12,13].Author: Qi Li, Weijie LiuPublish Year: 2019

Effect of ??-ferrite co-existence on hot deformation and hot deformation effects on austenite

This work evaluates the effect of co-existence of a large volume fraction of -ferrite on the hot deformation and dynamic recrystallization (DRX) of austenite using comparative hot torsion tests hot deformation effects on austeniteEffect of -ferrite co-existence on hot deformation and hot deformation effects on austeniteSep 01, 2008 · This work evaluates the effect of co-existence of a large volume fraction of -ferrite on the hot deformation and dynamic recrystallization (DRX) of austenite using comparative hot torsion tests on AISI 304 austenitic and 2205 duplex stainless steels. The comparison was performed under similar deformation conditions (i.e. temperature and strain rate) and also under similar Zener Cited by: 68Publish Year: 2008Author: A. Dehghan-Manshadi, P. D. HodgsonConstitutive relationships for hot deformation of austeniteThe high temperature deformation behavior of a new dilute Mg alloy was investigated by hot compression tests in the temperature and strain rate range of 375-450°C and 0.001-1 s-1, respectively.

Austenite grain growth and hot deformation behavior in a hot deformation effects on austenite

Nov 01, 2020 · Variation of critical strain with prior austenite grain size and hot deformation conditions. Critical strain ( c) is an important parameter in modeling of industrial hot deformation processes, since DRX initiates at c, which is 0.60.8 times the strain ( p) at the peak flow stress ( p) . In addition, DRX affects the high temperature flow behavior, microstructure evolution, and final mechanical Cited by: 1Publish Year: 2020Author: A. Chamanfar, S.M. Chentouf, M. Jahazi, L.-P. Lapierre-Boire(PDF) Influence of hot and warm deformation on austenite hot deformation effects on austeniteHot deformation slightly accelerated the transformation to upper bainite and retarded thetransformation to lower bainite. Warm deformation resulted in mixture structures containing pearlite, hot deformation effects on austenite

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