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Journal articles on the topic 'TWIP - Twinning Induced Plasticity'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

De Cooman, Bruno C., Yuri Estrin, and Sung Kyu Kim. "Twinning-induced plasticity (TWIP) steels." Acta Materialia 142 (January 2018): 283–362. http://dx.doi.org/10.1016/j.actamat.2017.06.046.

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2

Yang, Guanghui, and Jin-Kyung Kim. "An Overview of High Yield Strength Twinning-Induced Plasticity Steels." Metals 11, no. 1 (2021): 124. http://dx.doi.org/10.3390/met11010124.

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Twinning-induced plasticity (TWIP) steel is a second-generation advanced high strength steel grade developed for automotive applications. TWIP steels exhibit an excellent combination of strength and ductility, mainly originating from the activation of deformation twinning. However, TWIP steels generally exhibit a relatively low yield strength (YS), which limits their practical applications. Thus, developing high YS TWIP steels without ductility loss is essential to increase their industrial applications. The present work summarizes and discusses the recent progress in improving the YS of TWIP

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3

Yang, Guanghui, and Jin-Kyung Kim. "An Overview of High Yield Strength Twinning-Induced Plasticity Steels." Metals 11, no. 1 (2021): 124. http://dx.doi.org/10.3390/met11010124.

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Twinning-induced plasticity (TWIP) steel is a second-generation advanced high strength steel grade developed for automotive applications. TWIP steels exhibit an excellent combination of strength and ductility, mainly originating from the activation of deformation twinning. However, TWIP steels generally exhibit a relatively low yield strength (YS), which limits their practical applications. Thus, developing high YS TWIP steels without ductility loss is essential to increase their industrial applications. The present work summarizes and discusses the recent progress in improving the YS of TWIP

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4

Kannan, M. Bobby, R. K. Singh Raman, S. Khoddam, and S. Liyanaarachchi. "Corrosion behavior of twinning-induced plasticity (TWIP) steel." Materials and Corrosion 64, no. 3 (2011): 231–35. http://dx.doi.org/10.1002/maco.201106356.

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5

Kazum, O., H. Beladi, and M. Bobby Kannan. "Hydrogen permeation in twinning-induced plasticity (TWIP) steel." International Journal of Hydrogen Energy 43, no. 50 (2018): 22685–93. http://dx.doi.org/10.1016/j.ijhydene.2018.10.121.

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6

Chung, Kwansoo, Kanghwan Ahn, Dong-Hoon Yoo, Kyung-Hwan Chung, Min-Hong Seo, and Sung-Ho Park. "Formability of TWIP (twinning induced plasticity) automotive sheets." International Journal of Plasticity 27, no. 1 (2011): 52–81. http://dx.doi.org/10.1016/j.ijplas.2010.03.006.

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7

QIAN, Bingnan, Fan SUN, Philippe VERMAUT, and Frédéric PRIMA. "Fine-tuning of stress-induced martensite in TRIP/TWIP Ti alloys." MATEC Web of Conferences 321 (2020): 11038. http://dx.doi.org/10.1051/matecconf/202032111038.

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Fine-tuning of stress-induced martensitic (SIM) transformation was studied in Ti-Mo based β metastable alloys, showing combined Transformation Induced Plasticity (TRIP) and Twinning Induced Plasticity effects (TWIP) effects. The work aimed to clarify the transition and interaction between the two deformation mechanisms and their influences on the mechanical properties of Ti-Mo based alloys. Electron parameter design methods (Bo-Md and e/a ratio) were cross-used to increase the β phase stability from near-TRIP to near-TWIP by adding third alloying elements. SIM α″ transformation and mechanical

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8

Wang, Yuan Yuan, Xin Sun, Yan Dong Wang, Xiao Hua Hu, and Hussein M. Zbib. "Modeling of TWIP Steel Tensile Behavior with Crystal Plasticity Finite Element Method." Advanced Materials Research 926-930 (May 2014): 162–65. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.162.

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We developed a plane-strain crystal plasticity finite element (CPFE) numerical model to predict the tensile behavior of twinning-induced plasticity (TWIP) steel with both slip and mechanical twinning as the main deformation modes. Our CPFE model may not only predict well the tensile stress versus strain (S-S) curve but also capture the variation in the volume fraction of twins with a reasonable accuracy. The nucleation of mechanical twin is obviously controlled by the stress concentration. At the same time, the growth of twin may either lead to a stress relaxation in the matrix or cause a loca

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9

Borek, Wojciech, Małgorzata Czaja, Krzysztof Labisz, Tomasz Tański, Mariusz Krupiński, and Stanislav Rusz. "High Manganese Austenitic X6MnSiAlNbTi26-3-3 Steel - Characteristic, Structures and Properties." Advanced Materials Research 1036 (October 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 exce

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10

Tewary, NK, SK Ghosh, and 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, no. 3 (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 annealin

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11

Dai, Yong Juan, Jian Gang Wang, Hao En Mao, Zhen Li Mi, and Chi Zhang. "Effect of Grain Size on Microstructure and Orientation of Fe-25Mn-3Si-3Al Steel." Advanced Materials Research 1095 (March 2015): 107–10. http://dx.doi.org/10.4028/www.scientific.net/amr.1095.107.

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The typical Fe-25Mn-3Si-3Al TWIP steel with different microstructure scale were investigated. It was found When the grains size is up to 35μm in the 25Mn-3Si-3Al TWIP steel samples, the twinning induced plasticity (TWIP) effect can fully developed and results in above 80% elongation. grain size had a strong effect on the mechanical properties. It was concluded that with increasing grain size ultimate tensile strength decreases, while elongation increases obviously.The annealing twin has the twin’s orientation, during deformation the annealing twin has get orientation ready for deformation twin

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12

Chen, Guanfang, Jinyong Zhang, Yangyang Fu, Zheng Chen, Fan Sun, and Ju Li. "Coexistence of multi-deformation modes in beta Ti alloys with improved yielding strength and ductility." MATEC Web of Conferences 321 (2020): 11069. http://dx.doi.org/10.1051/matecconf/202032111069.

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By suppressing SIM (stress induced martensitic) phase transformations, a strong and ductile beta TWIP (twinning induced plasticity) Ti-Mo based alloy was achieved, thanking to the coexistence of mechanical twinning ({112}<111> mode and {332} <113> mode) and dislocation glide. The alloy displayed extra high yielding stress, stable strain-hardening rate and adequate ductility. In-situ traction/EBSD technique and TEM characterizations were employed to investigate the plastic deformation mechanism. The dislocation slipping was mediated by bimodal twinning mechanism, composed by high de

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13

Zhang, Cheng, Huihui Zhi, Stoichko Antonov, Lin Chen, and Yanjing Su. "Hydrogen-enhanced densified twinning (HEDT) in a twinning-induced plasticity (TWIP) steel." Scripta Materialia 190 (January 2021): 108–12. http://dx.doi.org/10.1016/j.scriptamat.2020.08.047.

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14

Monsalve, Alberto, Flavio De Barbieri, Mauricio Gómez, et al. "Mechanical Behavior of a Twip Steel (Twinning Induced Plasticity)." Matéria (Rio de Janeiro) 20, no. 3 (2015): 653–58. http://dx.doi.org/10.1590/s1517-707620150003.0067.

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15

Bastidas, David M., Jacob Ress, Juan Bosch, and Ulises Martin. "Corrosion Mechanisms of High-Mn Twinning-Induced Plasticity (TWIP) Steels: A Critical Review." Metals 11, no. 2 (2021): 287. http://dx.doi.org/10.3390/met11020287.

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Twinning-induced plasticity (TWIP) steels have higher strength and ductility than conventional steels. Deformation mechanisms producing twins that prevent gliding and stacking of dislocations cause a higher ductility than that of steel grades with the same strength. TWIP steels are considered to be within the new generation of advanced high-strength steels (AHSS). However, some aspects, such as the corrosion resistance and performance in service of TWIP steel materials, need more research. Application of TWIP steels in the automotive industry requires a proper investigation of corrosion behavi

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16

Benke, Marton, Valéria Mertinger та Ferenc Tranta. "In Situ Optical Microscope Examinations of the ε↔γ Transformations in FeMn(Cr) Austenitic Steels during Thermal Cycling". Materials Science Forum 738-739 (січень 2013): 257–61. http://dx.doi.org/10.4028/www.scientific.net/msf.738-739.257.

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A group of austenitic steels exhibit high deformability and strength due to TRansformation Induced Plasticity (TRIP) and/or TWinning Induced Plasticity (TWIP). The phase transformations of the TRIP and TWIP steels have been examined in details in many FeMnX alloy systems (X: Ni, Al, Si). However, less attention was given to the FeMn(Cr) alloys. The γ ↔ ε transformations in the austenitic FeMn(Cr) alloys have been examined during heat cycling by in situ optical microscopy and DSC measurements.

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17

Wang, Wen, Dan Wang, and Fu Sheng Han. "Mechanical Behavior of Twinning Induced Plasticity Steel Processed by Warm Forging and Annealing." Defect and Diffusion Forum 385 (July 2018): 21–26. http://dx.doi.org/10.4028/www.scientific.net/ddf.385.21.

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The present study shows that warmly forged and low-temperature annealed twinning induced plasticity (TWIP) steel exhibited very high dislocation density and apparent yield-point phenomenon in addition to very high yield strength. The initial density of dislocations significantly affected the evolution of dislocations during the subsequent tensile deformation. Original high dense dislocations prompted the rapid increase of dislocations, and intensified the complexity of dislocation configurations. All these effects made the twinning deformation weakened but the dislocation deformation enhanced,

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18

Liu, Qinglong, Qingjun Zhou, Jeffrey Venezuela, Mingxing Zhang, Jianqiu Wang, and Andrej Atrens. "A review of the influence of hydrogen on the mechanical properties of DP, TRIP, and TWIP advanced high-strength steels for auto construction." Corrosion Reviews 34, no. 3 (2016): 127–52. http://dx.doi.org/10.1515/corrrev-2015-0083.

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AbstractThe literature is reviewed regarding the influence of hydrogen on dual-phase (DP), transformation-induced plasticity (TRIP), and twinning-induced plasticity (TWIP) steels. Hydrogen influences DP steels by decreasing ductility while strengths are largely unaffected. TRIP steels may be susceptible to hydrogen embrittlement (HE) as indicated by the loss of ductility and some brittle fracture features. The literature on the influence of hydrogen on TWIP steels was inconsistent. Some researchers found no significant influence of hydrogen on TWIP steel properties and fully ductile fractures,

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19

Gutierrez-Urrutia, Ivan, and 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 (December 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 subst

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20

Kang, Mihyun, Wan Chuck Woo, Vyacheslav Em, Young Kook Lee, and Baek Seok Seong. "In Situ Neutron Diffraction Measurements of the Deformation Behavior in High Manganese Steels." Materials Science Forum 772 (November 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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21

Dobrzański, Leszek Adam, Wojciech Borek, and Janusz Mazurkiewicz. "Influence of Thermo-Mechanical Treatments on Structure and Mechanical Properties of High-Mn Steel." Advanced Materials Research 1127 (October 2015): 113–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1127.113.

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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, containing about 24,5 % of manganese, 1% of silicon, 3 % of aluminium and microadditions Nb and Ti with various structures after their heat- and thermo-mechanical treatments. The new-developed high-manganese Fe – Mn – (Al, Si) steel provide an extensive potential for automotive industries through exhibitin

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22

Erhart, Andrea, André Haufe, Alexander Butz, Maksim Zapara, and Dirk Helm. "Implementation of a Constitutive Model for the Mechanical Behavior of TWIP Steels and Validation Simulations." Key Engineering Materials 651-653 (July 2015): 539–44. http://dx.doi.org/10.4028/www.scientific.net/kem.651-653.539.

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High manganese content TWinning Induced Plasticity (TWIP) steels are promising for the production of lightweight components due to their high strength combined with extreme ductility, see [1]. This paper deals with the implementation of a constitutive model for the macroscopic deformation behavior of TWIP steels under mechanical loading with the aim of simulating metal forming processes and representing the behavior of TWIP-steel components – for example under crash loading - with the Finite Element code LS-DYNA®and refers to our recently published papers: [2],[4],[5]. Within the present paper

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23

Xue, Hui, Hui Yuan, Kai Guo, Zhijia Zhang, and Mengmeng Zhang. "Microstructure Evolution and Recrystallization Temperature Change of Cold-Rolled Fe–19Mn–0.6C Twinning-Induced Plasticity Steel during Annealing." Metals 11, no. 8 (2021): 1181. http://dx.doi.org/10.3390/met11081181.

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Ultra-high twinning-induced plasticity (TWIP) steel is receiving increasing attention in the automobile industry. Self-designed Fe–19Mn–0.6C TWIP steel was subjected to reveal the relationship between microstructures, which were related to recrystallization starting/ending temperature and cold rolling. The results indicated that initial deformation twins, secondary deformation twins, and nano-twins were successively generated in rolled TWIP steel with the increase of cold rolling, deformation twins, and dislocations, as well as with the elongation of grains. The elements remained uniformly dis

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24

Singh Raman, R. K., Muhammed Khalissi, and Shahin Khoddam. "Environment-Assisted Cracking of Twinning Induced Plasticity (TWIP) Steel: Role of pH and Twinning." Metallurgical and Materials Transactions A 45, no. 4 (2013): 1979–95. http://dx.doi.org/10.1007/s11661-013-2142-8.

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25

Zhang, Cheng, Hang Yu, Huihui Zhi, Stoichko Antonov, and Yanjing Su. "Twinning behavior and hydrogen embrittlement of a pre-strained twinning-induced plasticity (TWIP) steel." Corrosion Science 192 (November 2021): 109791. http://dx.doi.org/10.1016/j.corsci.2021.109791.

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26

Qiu, Yangxi, Nico Kaden, Matthias Schmidtchen, Ulrich Prahl, Horst Biermann, and Anja Weidner. "Laminated TRIP/TWIP Steel Composites Produced by Roll Bonding." Metals 9, no. 2 (2019): 195. http://dx.doi.org/10.3390/met9020195.

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In order to investigate the roll bonding of high-alloy transformation induced plasticity (TRIP) and twinning induced plasticity (TWIP) steel, roll-bonded sheets of the TRIP and TWIP steel were manufactured starting from hot rolling, followed by brushing and cold rolling. Both, the microstructure and mechanical properties of the roll-bonded sheets were characterized by metallographic investigations, and tensile and T-peel tests. Preliminary results, such as an occurrence of an adhesive bonding between two TWIP steel sheets and between TRIP and TWIP steel sheet after a thickness reduction of app

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27

VARENNE, Chloé, Frédéric PRIMA, Cédrik BROZEK, Julie BOURGON, Jacques BESSON, and Anne-Françoise GOURGUES-LORENZON. "Deformation and fracture behavior of new strain-transformable titanium alloys: a multi-scale investigation." MATEC Web of Conferences 321 (2020): 11006. http://dx.doi.org/10.1051/matecconf/202032111006.

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Titanium alloys possessing Twinning and Transformation Induced Plasticity effects show promising mechanical properties, particularly high ductility, hardenability, impact and fracture toughness. This work focuses on a strain-transformable, coarse-grained β-Ti-Cr-Sn alloy displaying TWIP effect. To account for the enhanced properties of this alloy, compared to more conventional β-Ti alloys, fracture and deformation features were correlated at different scales. Examinations evidenced a major role of twinning and, more generally, of plasticity-induced phenomena in the ductile fracture process. Th

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28

Yan, Kun, Mark Callaghan, and Klaus-Dieter Liss. "Deformation Mechanisms of Twinning-Induced Plasticity Steel Under Shock-Load: Investigated by Synchrotron X-Ray Diffraction." Quantum Beam Science 3, no. 3 (2019): 15. http://dx.doi.org/10.3390/qubs3030015.

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As an ideal candidate material for automobiles, twinning-induced plasticity (TWIP) steels possess excellent formability, high strength and high energy absorption ability during collision. This is attributed to its deformation mechanism of mechanical twinning, resulting in a high work hardening rate. In the current study, deformation mechanisms of low-stacking fault energy TWIP steel, under different strain rates between 0.01/s to 1581/s, were investigated by high-energy X-ray diffraction. After compression, grains with {110}||compression direction became favourable. Higher intensity was observ

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29

Shterner, Vadim, Ilana B. Timokhina, and Hossein Beladi. "The Correlation between Stacking Fault Energy and the Work Hardening Behaviour of High-Mn Twinning Induced Plasticity Steel Tested at Various Temperatures." Advanced Materials Research 922 (May 2014): 676–81. http://dx.doi.org/10.4028/www.scientific.net/amr.922.676.

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High-Mn Twinning Induced Plasticity (TWIP) steels have superior mechanical properties, which make them promising materials in automotive industry to improve the passenger safety and the fuel consumption. The TWIP steels are characterized by high work hardening rates due to continuous mechanical twin formation during the deformation. Mechanical twinning is a unique deformation mode, which is highly governed by the stacking fault energy (SFE). The composition of steel alloy was Fe-18Mn-0.6C-1Al (wt.%) with SFE of about 25-30 mJ/m2at room temperature. The SFE ensures the mechanical twinning to be

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30

Dai, Yong Juan, Bo Li, Hao En Ma, and Chi Zhang. "Influence of Carbon on the Stacking Fault Energy and Deformation Mechanics of Fe-Mn-C System Alloys." Applied Mechanics and Materials 710 (January 2015): 9–14. http://dx.doi.org/10.4028/www.scientific.net/amm.710.9.

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Fe-Mn-C alloys with different carbon content were investigated. It was found that carbon element effected the SFE of the Fe-Mn-C alloys seriously, SFE increases with increase of carbon concentration. Fe-Mn-C alloys' deformation mechanisms, with SFE increase from 9.04 mJ.m-2to 39.99 mJ.m-2, turn transformation-induced plasticity (TRIP) effect into twinning-induced plasticity (TWIP) effect with carbon concentration increase from 0.16% to 0.98%.

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31

Li, Shiqi, Jianhua Liu, Hongbo Liu, Changling Zhuang, Jian Liu, and Zhibiao Han. "Study on High-Temperature Mechanical Properties of Low-Carbon Fe-Mn-Si-Al TWIP Steel." High Temperature Materials and Processes 36, no. 5 (2017): 505–13. http://dx.doi.org/10.1515/htmp-2015-0144.

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AbstractThe high-temperature mechanical properties of twinning-induced plasticity (TWIP) steel with 0.05 % C, 25 % Mn, 3 % Al, 3 % Si have been investigated using the GLEEBLE 3500 machine. The result shows that the zero ductility temperature and the zero strength temperature of the TWIP steel are measured at 1,225 °C and 1,275 °C, respectively. The brittleness temperature interval I is from 1,200 °C to the melting point, and the brittleness temperature interval III is from 650 °C to 800 °C. The tensile fracture has been examined using the scanning electron microscope, optical microscope and el

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32

Bao, Wei Ping, Zhi Ping Xiong, Fu Ming Wang, Jian Shu, and Xue Ping Ren. "Comparison of Dynamic Mechanical Properties between Pure Iron (BCC) and Fe-30Mn-3Si-4Al TWIP Steel (FCC)." Applied Mechanics and Materials 692 (November 2014): 179–86. http://dx.doi.org/10.4028/www.scientific.net/amm.692.179.

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Dynamic mechanical properties and microstructures of pure iron and Fe-30Mn-3Si-4Al TWIP (TWinning Induced Plasticity) steel were conducted by SHPB (Split-Hopkinson Pressure Bar), OM (Optical Microscopy) and TEM (Transmission Electron Microscope), at the strain rate ranging from 102 to 105 s-1 and at room temperature. The effect of high strain rate on the mechanical responses of pure iron and Fe-30Mn-3Si-4Al TWIP steel belonging to BCC (Body Centered Cubic) and FCC (Face Centered Cubic) structures respectively was evaluated. The comparison of deformation mechanism was analyzed between them and

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33

Mejía, I., H. Hernández-Belmontes, and C. Maldonado. "Weldability of High-Mn Austenitic Twinning-Induced Plasticity (TWIP) Steel Microalloyed with Nb." MRS Advances 2, no. 62 (2017): 3899–908. http://dx.doi.org/10.1557/adv.2018.108.

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ABSTRACTThe objective of this research work is to study the weldability of a Nb microalloyed TWIP steel through welding nuggets generated by Gas Tungsten Arc Welding process. Weldability was examined by microstructural changes in the fusion zone (FZ) and heat affected zone (HAZ) using light optical metallography (LOM), segregation in the nuggets was evaluated using elemental mappings of chemical analysis by Scanning Electron Microscopy and Electron Dispersive Spectroscopy (SEM-EDS), phase transformations were evaluated using X-ray diffraction (XRD) and the hardness properties were examined usi

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34

Hernández-Belmontes, Humberto, Ignacio Mejía, and Cuauhtémoc Maldonado. "Ab Initio Study of Weldability of a High-Manganese Austenitic Twinning-Induced Plasticity (TWIP) Steel Microalloyed with Boron." MRS Proceedings 1812 (2016): 35–40. http://dx.doi.org/10.1557/opl.2016.15.

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ABSTRACTHigh-Mn Twinning-Induced Plasticity (TWIP) steels are advanced high-strength steels (AHSS) currently under development; they are fully austenitic and characterized by twinning as the predominant strengthening mechanism. TWIP steels have high strength and formability with an elongation up to 80%, which allows reduction in automotive components weight and fuel consumption. Since the targeted application field of TWIP steels is the automotive industry, steels need high mechanical performance with good weldability and excellent corrosion resistance. However, there is lack of information ab

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35

Zhi, Huihui, Cheng Zhang, Zihui Guo, Stoichko Antonov, and Yanjing Su. "Outstanding Tensile Properties and Their Origins in Twinning-Induced Plasticity (TWIP) Steels with Gradient Substructures." Materials 13, no. 5 (2020): 1184. http://dx.doi.org/10.3390/ma13051184.

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The low yield strength (~300 MPa) of twinning-induced plasticity (TWIP) steels greatly limits their structural applications in the industrial field. Conventional strengthening mechanisms usually cause an enhancement of yield strength but also a severe loss of ductility. In this research, gradient substructures were introduced in the Fe-22Mn-0.6C TWIP steels by different pre-torsional deformation in order to overcome the above limitations. The substructure evolution, mechanical properties, and their origins in gradient-substructured (GS) TWIP steels were measured and compared by electron backsc

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36

Iker, Mathieu, D. Gaude-Fugarolas, Pascal J. Jacques, and Francis Delannay. "Improvement of the Mechanical Properties of High Manganese Steels by Combination of Precipitation Hardening and Mechanical Twinning." Advanced Materials Research 15-17 (February 2006): 852–57. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.852.

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Twinning-Induced Plasticity steels (TWIP steels) are extensively studied due to their ultra-high strain-hardening rate, that brings about a remarkable combination of ductility and strength. Twinning can be observed in high manganese-carbon steels. This paper considers hardening by combination of mechanical twinning with carbide precipitation. The kinetics of precipitation and the morphological evolution of carbides with annealing time were studied for two different TWIP steels with high manganese and carbon contents. The steels are first cold-rolled and then annealed at 800°C for recrystalliza

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37

Xu, Xin, Ioannis Bantounas, and David Dye. "Deformation behaviour of beta phase with similar chemical composition in beta and alpha+beta titanium alloys." MATEC Web of Conferences 321 (2020): 11082. http://dx.doi.org/10.1051/matecconf/202032111082.

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Twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP) in β titanium alloys have been attracting significant interest, since they offer the possibility to provide work hardening and thus, ductility. Here a quaternary Ti-Al-Cr-Mo metastable β alloy has been designed with an excellent combination of strength ductility that exploits the TWIP and TRIP effects. Its engineering yield strength, tensile strength and total elongation are 737 MPa, 999 MPa and 24%, respectively. In order to increase the yield strength but retain ductility, an attempt has been carried to design an

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38

Dai, Yong Juan, and Zhen Li Mi. "Influence of Carbon on Mechanical Behavior of Fe-Mn-C System Alloys." Advanced Materials Research 941-944 (June 2014): 1469–72. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.1469.

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Fe-Mn-C alloys with different carbon content were developed as automobile sheet. Their mechanical properties were studies after hot rolled-cold rolled-different temperature annealed. It was found that carbon element effected mechanical behavior of Fe-Mn-C system alloys seriously. With carbon element increasing its deformation mechanisms turned transformation-induced plasticity (TRIP) effect into twinning-induced plasticity (TWIP) effect. Then the Fe-Mn-C alloys with different carbon content showed different mechanical behavior and different microstructure characterization.

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Hwang, Joong-Ki. "Correlation of Strain Path, Texture, Twinning, and Mechanical Properties in Twinning-Induced Plasticity Steel during Wire Drawing." Materials 13, no. 10 (2020): 2250. http://dx.doi.org/10.3390/ma13102250.

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The effect of changing the strain path on texture development, twin kinetics, and mechanical properties in twinning-induced plasticity steel was investigated to understand twinning behavior in more detail. Among the various plastic deformation processes, the wire drawing process was selected to achieve the aims of the study. Specimens of cold-drawn TWIP steel wire under the same effective strain but with different crystallographic textures were successfully fabricated using the effect of the wire drawing direction. Electron backscatter diffraction results showed that the drawn wires using both

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Jabłońska, Magdalena, Grzegorz Niewielski, and Rudolf Kawalla. "High Manganese TWIP Steel - Technological Plasticity and Selected Properties." Solid State Phenomena 212 (December 2013): 87–90. http://dx.doi.org/10.4028/www.scientific.net/ssp.212.87.

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Over the last few years national as well as international research centres conducting research on the development of high-manganese steels. Some of these materials belong to the group of AHS steels, are characterized by the twinning induced plasticity (TWIP) effect which is a new type of steel possessing together with high strength a great plastic elongation, and an ideal uniform work hardening behavior. It is therefore a good candidate for deep drawing applications in the automobile and railway industry. The article presents the results of researches of TWIP-type austenitic steel in case of d

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Chen, Liqing, Yang Zhao, and Xiaomei Qin. "Some aspects of high manganese twinning-induced plasticity (TWIP) steel, a review." Acta Metallurgica Sinica (English Letters) 26, no. 1 (2013): 1–15. http://dx.doi.org/10.1007/s40195-012-0501-x.

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Dini, Ghasem, Rintaro Ueji, and Abbas Najafizadeh. "Grain Size Dependence of the Flow Stress of TWIP Steel." Materials Science Forum 654-656 (June 2010): 294–97. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.294.

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The effect of grain size on the flow stress in TWinning Induced Plasticity (TWIP) steel was investigated via the X-ray diffraction (XRD) measurements of dislocation density. The results indicated that the hardening behavior of fine grained samples (mean grain sizes in the range of 2.1-3.8μm) can be described as typical dislocation interactions. However in coarse grained samples (mean grain sizes in the range of 4.7-38.5μm) where extensive mechanical twinning occurs, another strengthening mechanism is required. Consequently, the effect of grain size on the flow stress parameters of the proposed

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Sun, Fan, Jing Yong Zhang, Matthieu Marteleur та ін. "Deformation Microstructure and Mechanisms in a Metastable β Titanium Alloy Exhibiting TWIP and TRIP Effects". Materials Science Forum 783-786 (травень 2014): 1360–65. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.1360.

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Titanium alloys typically exhibit a limited ductility (typically 20%) and little strain-hardening. An alloy design with new concept was conducted aiming at improving both ductility and strain hardening while keeping the mechanical resistance at an excellent level. An experimental validation was illustrated with the Ti-12(wt.%)Mo alloy, exhibiting true stress - true strain values at necking, of about 1000MPa and 0.38, respectively, with a large strain hardening rate close to the theoretical limit. In order to clarify the origin of this outstanding combination of mechanical properties, detailed

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Wei, Daixiu, Xiaoqing Li, Jing Jiang, et al. "Novel Co-rich high performance twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP) high-entropy alloys." Scripta Materialia 165 (May 2019): 39–43. http://dx.doi.org/10.1016/j.scriptamat.2019.02.018.

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Danard, Y., L. Lilensten, F. Sun, et al. "Strain-hardenability of new strengthened TRIP/TWIP titanium alloys." MATEC Web of Conferences 321 (2020): 11056. http://dx.doi.org/10.1051/matecconf/202032111056.

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A new Ti-Cr based alloy has been developed to reach a TWIP (TWinning Induced Plasticity) effect as the main deformation mechanism. This new composition, involving Fe addition, was derived from a classical TRIP/TWIP alloy Ti-8.5Cr-1.5Al (wt%) (TCA). The main objective is to achieve an optimized strength/hardenability combination by limiting the TRIP (TRansformation Induced Plasticity) effect whose critical resolved shear stress lowers the plasticity threshold. This new alloy Ti-7Cr-1Al-xFe (wt%) (TCAF) displays excellent mechanical properties, with an increased yield strength (with respect to T

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Weidner, Anja, Alexei Vinogradov, Alexei Lazarev, and Horst Biermann. "Kinetics of Deformation Processes in a High-Alloy Cast TWIP Steel Determined by Acoustic Emission and Scanning Electron Microscopy." Key Engineering Materials 592-593 (November 2013): 489–92. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.489.

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High-alloy cast CrMnNi steels exhibit depending on the chemical composition either transformation induced plasticity (TRIP-effect) or twinning induced plasticity (TWIP effect). Whereas the TRIP effect is caused by a martensitic phase transformation from the f.c.c austenitic phase into the b.c.c α-martensite phase via the formation of deformation bands with high stacking fault density the so-called ε-martensite, the TWIP effect is the result of mechanical twinning during plastic deformation. The occurrence of both effects as well as the underlying microstructural processes are strongly affected

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Singh Raman, R. K., Muhammed Khalissi, and Shahin Khoddam. "Erratum to: Environment-Assisted Cracking of Twinning Induced Plasticity (TWIP) Steel: Role of pH and Twinning." Metallurgical and Materials Transactions A 48, no. 11 (2017): 5759. http://dx.doi.org/10.1007/s11661-017-4329-x.

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Saleh, Ahmed A., Azdiar A. Gazder, Dagoberto Brandao Santos, and Elena V. Pereloma. "Evolution of Microstructure and Mechanical Properties during Annealing of Cold Rolled Fe-24Mn-3Al-2Si-1Ni-0.06C Twip Steel." Advanced Materials Research 409 (November 2011): 719–24. http://dx.doi.org/10.4028/www.scientific.net/amr.409.719.

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TWinning Induced Plasticity (TWIP) steels have been recently developed as a promising material for automotive applications. In the present work the recrystallisation behaviour of 42% cold-rolled Fe-24Mn-3Al-2Si-1Ni-0.06C TWIP steel was investigated during isochronal annealing for 300s via microhardness testing, Electron Back-Scattering Diffraction (EBSD) and uniaxial tensile testing. EBSD internal misorientation data corroborates recrystallised fraction estimates from microhardness measurements. Annealing twins play an important role during recrystallisation by bulging at the deformed grain bo

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Ueji, Rintaro, Kenji Harada, Noriyuki Tsuchida, and Kazutoshi Kunishige. "High Speed Deformation of Ultrafine Grained TWIP Steel." Materials Science Forum 561-565 (October 2007): 107–10. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.107.

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Tensile properties of twinning induced plasticity (TWIP) steels (31%Mn-3%Al-3%Si-Fe) with various mean grain sizes ranging from ultrafine grain size (1.1μm) to conventional one (35.5μm) at a wide range of strain rates from 10-3sec-1 to 103sec-1 were studied. The ultrafine grained TWIP steel exhibits a large work hardening and keeps an adequate elongation at any strain rate. The strength held to the Hall-Petch relationship at each strain rate and the Hall-Petch slopes do not change largely.

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Martin, Stefan, Steffen Wolf, Ulrich Martin, and Lutz Krüger. "Influence of Temperature on Phase Transformation and Deformation Mechanisms of Cast CrMnNi-TRIP/TWIP Steel." Solid State Phenomena 172-174 (June 2011): 172–77. http://dx.doi.org/10.4028/www.scientific.net/ssp.172-174.172.

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At different temperatures ranging from ‑60°C to 200°C a cast CrMnNi-TRIP steel was deformed by uniaxial tension. The resulting microstructure was investigated using XRD, EBSD and LOM. The correlation of the phase transformation with the deformation temperature was examined. Depending on temperature, a transition in the deformation mechanisms was observed. Starting with the generation of deformation bands, accompanied by martensitic phase transformation, followed by twinning, the deformation mechanism turned to conventional dislocation glide with raising temperature. Between -60°C and 20°C the

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