Challenges in the formability of the next generation of automotive steel sheets

References

• Cooman BCD, Kwon OJ, Chin KG. State-of-the-knowledge on TWIP steel. Mater Sci Technol. 2012;28:513–527. doi: 10.1179/1743284711Y.0000000095
   Web of Science ®Google Scholar
• Suehiro M, Maki J, Kusumi K, et al. Properties of aluminized steels for hot-forming. 2003 (0148-7191, SAE Technical Paper).
   Google Scholar
• Turetta A, Bruschi S, Ghiotti A. Investigation of 22MnB5 formability in hot stamping operations. J Mater Process Technol. 2006;177:396–400. doi: 10.1016/j.jmatprotec.2006.04.041
   Web of Science ®Google Scholar
• Abdulhay B, Bourouga B, Dessain C. Experimental and theoretical study of thermal aspects of the hot stamping process. Appl Therm Eng. 2011;31:674–685. doi: 10.1016/j.applthermaleng.2010.11.010
   Web of Science ®Google Scholar
• Karbasian H, Tekkaya AE. A review on hot stamping. J Mater Process Technol. 2010;210:2103–2118. doi: 10.1016/j.jmatprotec.2010.07.019
   Web of Science ®Google Scholar
• George R, Bardelcik A, Worswick M. Hot forming of boron steels using heated and cooled tooling for tailored properties. J Mater Process Technol. 2012;212:2386–2399. doi: 10.1016/j.jmatprotec.2012.06.028
   Web of Science ®Google Scholar
• Mori K, Okuda Y. Tailor die quenching in hot stamping for producing ultra-high strength steel formed parts having strength distribution. CIRP Ann Manuf Technol. 2010;59:291–294. doi: 10.1016/j.cirp.2010.03.107
   Web of Science ®Google Scholar
• Yi HL, Du PJ, Wang BG. A new invention of press-hardened steel achieving 1880 MPa tensile strength combined with 16% elongation in hot-stamped parts. Proceedings of 5th International Conference on Hot Sheet Metal Forming of High-performance Steel; 2015; Toronto. p. 725–734.
   Google Scholar
• Hosford WF, Caddell RM. Metal forming: mechanics and metallurgy. Cambridge: Cambridge University Press; 2011.
   Google Scholar
• Takahashi M. Development of high strength steels for automobiles. Nippon Steel Technology Report. 2003;88:2–6.
   Google Scholar
• Wu X, Bahmanpour H, Schmid K. Characterization of mechanically sheared edges of dual phase steels. J Mater Process Technol. 2012;212:1209–1224. doi: 10.1016/j.jmatprotec.2012.01.006
   Web of Science ®Google Scholar
• Teng Z, Chen X. Edge cracking mechanism in two dual-phase advanced high strength steels. Mater Sci Eng A. 2014;618:645–653. doi: 10.1016/j.msea.2014.06.101
   Web of Science ®Google Scholar
• Sartkulvanich P, Kroenauer B, Golle R, et al. Finite element analysis of the effect of blanked edge quality upon stretch flanging of AHSS. CIRP Ann Manuf Technol. 2010;59:279–282. doi: 10.1016/j.cirp.2010.03.108
   Web of Science ®Google Scholar
• Chintamani J, Sriram S. Sheared edge characterization of steel products used for closure panel applications. 2006 (0148-7191, SAE Technical Paper).
   Google Scholar
• Speer J, Matlock D, De Cooman B, et al. Carbon partitioning into austenite after martensite transformation. Acta Mater. 2003;51:2611–2622. doi: 10.1016/S1359-6454(03)00059-4
   Web of Science ®Google Scholar
• Edmonds D, He K, Rizzo F, et al. Quenching and partitioning martensite – a novel steel heat treatment. Mater Sci Eng A. 2006;438–440:25–34. doi: 10.1016/j.msea.2006.02.133
   Web of Science ®Google Scholar
• Speer JG, Edmonds DV, Rizzo FC, et al. Partitioning of carbon from supersaturated plates of ferrite, with application to steel processing and fundamentals of the bainite transformation. Curr Opin Solid State Mater Sci. 2004;8:219–237. doi: 10.1016/j.cossms.2004.09.003
   Web of Science ®Google Scholar
• Clarke A, Speer J, Miller M, et al. Carbon partitioning to austenite from martensite or bainite during the quench and partition (Q&P) process: a critical assessment. Acta Mater. 2008;56:16–22. doi: 10.1016/j.actamat.2007.08.051
   Web of Science ®Google Scholar
• Edmonds D, Speer J. Martensitic steels with carbide free microstructures containing retained austenite. Mater Sci Technol. 2010;26:386–391. doi: 10.1179/026708309X12512744154162
   Web of Science ®Google Scholar
• Somani MC, Porter D, Karjalainen L, et al. On various aspects of decomposition of austenite in a high-silicon steel during quenching and partitioning. Metall Mater Trans A. 2014;45:1247–1257. doi: 10.1007/s11661-013-2053-8
   Web of Science ®Google Scholar
• Gao G, Zhang H, Gui X, et al. Enhanced ductility and toughness in an ultrahigh-strength Mn–Si–Cr–C steel: the great potential of ultrafine filmy retained austenite. Acta Mater. 2014;76:425–433. doi: 10.1016/j.actamat.2014.05.055
   Web of Science ®Google Scholar
• Zhang J, Ding H, Misra RDK. Enhanced strain hardening and microstructural characterization in a low carbon quenching and partitioning steel with partial austenization. Mater Sci Eng A. 2015;636:53–59. doi: 10.1016/j.msea.2015.03.095
   Web of Science ®Google Scholar
• Sun J, Yu H, Wang S, et al. Study of microstructural evolution, microstructure-mechanical properties correlation and collaborative deformation-transformation behavior of quenching and partitioning (Q&P) steel. Mater Sci Eng A. 2014;596:89–97. doi: 10.1016/j.msea.2013.12.054
   Web of Science ®Google Scholar
• Mandal G, Ghosh SK, Bera S, et al. Effect of partial and full austenitisation on microstructure and mechanical properties of quenching and partitioning steel. Mater Sci Eng A. 2016;676:56–64. doi: 10.1016/j.msea.2016.08.094
   Web of Science ®Google Scholar
• Sun J, Yu H. Microstructure development and mechanical properties of quenching and partitioning (Q&P) steel and an incorporation of hot-dipping galvanization during Q&P process. Mater Sci Eng A. 2013;586:100–107. doi: 10.1016/j.msea.2013.08.021
   Web of Science ®Google Scholar
• Yan S, Liu X, Liu WJ, et al. Comparative study on microstructure and mechanical properties of a C–Mn–Si steel treated by quenching and partitioning (Q&P) processes after a full and intercritical austenitization. Mater Sci Eng A. 2017;684:261–269. doi: 10.1016/j.msea.2016.12.026
   Web of Science ®Google Scholar
• Liu R, Sun L, Wang X, et al. Strain rate effect on forming limit diagram for advanced high strength steels. SAE Int J Mater Manuf. 2014;7:583–587. doi: 10.4271/2014-01-0993
   Google Scholar
• Wu R, Li W, Zhou S, et al. Effect of retained austenite on the fracture toughness of quenching and partitioning (Q&P)-treated sheet steels. Metall Mater Trans A. 2014;45:1892–1902. doi: 10.1007/s11661-013-2113-0
   Web of Science ®Google Scholar
• Song C, Yu H, Li L, et al. The stability of retained austenite at different locations during straining of I&Q&P steel. Mater Sci Eng A. 2016;670:326–334. doi: 10.1016/j.msea.2016.06.044
   Web of Science ®Google Scholar
• Xiong XC, Sun L, Wang JF, et al. Properties assessment of the first industrial coils of low-density duplex δ-TRIP steel. Mater Sci Technol. 2016;32:1403–1408. doi: 10.1080/02670836.2015.1130364
   Web of Science ®Google Scholar
• Yi HL. Review on δ-transformation-induced plasticity (TRIP) steels with low density: the concept and current progress. JOM. 2014;66:1759–1769. doi: 10.1007/s11837-014-1089-6
   Web of Science ®Google Scholar
• Yi HL, Chen P, Bhadeshia HKDH. Optimizing the morphology and stability of retained austenite in a δ-TRIP steel. Metall Mater Trans A. 2014;45:3512–3518. doi: 10.1007/s11661-014-2267-4
   Web of Science ®Google Scholar
• Yi HL, Chen P, Hou ZY, et al. A novel design: partitioning achieved by quenching and tempering (Q–T & P) in an aluminium-added low-density steel. Scr Mater. 2013;68:370–374. doi: 10.1016/j.scriptamat.2012.10.018
   Web of Science ®Google Scholar
• Yi HL, Lee KY, Bhadeshia HKDH. Extraordinary ductility in Al-bearing – TRIP steel. Proc R Soc A Math Phys Eng Sci. 2011;467:234–243.
   Google Scholar
• Yi HL, Lee KY, Bhadeshia HKDH. Mechanical stabilisation of retained austenite in δ-TRIP steel. Mater Sci Eng A. 2011;528:5900–5903. doi: 10.1016/j.msea.2011.03.111
   Web of Science ®Google Scholar
• Chen P, Wang GD, Xiong XC, et al. Abnormal expansion due to pearlite-to-austenite transformation in high aluminium-added steels. Mater Sci Technol. 2016;32:1678–1682. doi: 10.1080/02670836.2015.1138046
   Web of Science ®Google Scholar
• Chen P, Xiong XC, Wang GD, et al. The origin of the brittleness of high aluminum pearlite and the method for improving ductility. Scr Mater. 2016;124:42–46. doi: 10.1016/j.scriptamat.2016.06.031
   Web of Science ®Google Scholar
• Yi HL, Lee KY, Bhadeshia HKDH. Stabilisation of ferrite in hot rolled δ-TRIP steel. Mater Sci Technol. 2011;27:525–529. doi: 10.1179/026708309X12506934374001
   Web of Science ®Google Scholar
• Luo H, Shi J, Wang C, et al. Experimental and numerical analysis on formation of stable austenite during the intercritical annealing of 5Mn steel. Acta Mater. 2011;59:4002–4014. doi: 10.1016/j.actamat.2011.03.025
   Web of Science ®Google Scholar
• Cao WQ, Wang C, Shi J, et al. Microstructure and mechanical properties of Fe–0.2C–5Mn steel processed by ART-annealing. Mater Sci Eng A. 2011;528:6661–6666. doi: 10.1016/j.msea.2011.05.039
   Web of Science ®Google Scholar
• Merwin MJ. Low-carbon manganese TRIP steels. Mater Sci Forum. 2007;539–543:4327–4332. doi: 10.4028/www.scientific.net/MSF.539-543.4327
   Google Scholar
• Wang C, Cao W, Shi J, et al. Deformation microstructures and strengthening mechanisms of an ultrafine grained duplex medium-Mn steel. Mater Sci Eng A. 2013;562:89–95. doi: 10.1016/j.msea.2012.11.044
   Web of Science ®Google Scholar
• Tsuchiyama T, Inoue T, Tobata J, et al. Microstructure and mechanical properties of a medium manganese steel treated with interrupted quenching and intercritical annealing. Scr Mater. 2016;122:36–39. doi: 10.1016/j.scriptamat.2016.05.019
   Web of Science ®Google Scholar
• Lee S, De Cooman BC. Tensile behavior of intercritically annealed ultra-fine grained 8% Mn multi-phase steel. Steel Res Int. 2015;86:1170–1178. doi: 10.1002/srin.201500038
   Web of Science ®Google Scholar
• Suh D-W, Park S-J, Lee T-H, et al. Influence of Al on the microstructural evolution and mechanical behavior of low-carbon, manganese transformation-induced-plasticity steel. Metall Mater Trans A. 2010;41:397–408. doi: 10.1007/s11661-009-0124-7
   Web of Science ®Google Scholar
• Gibbs PJ, De Moor E, Merwin MJ, et al. Austenite stability effects on tensile behavior of manganese-enriched-austenite transformation-induced plasticity steel. Metall Mater Trans A. 2011;42:3691–3702. doi: 10.1007/s11661-011-0687-y
   Web of Science ®Google Scholar
• Lee S-J, Lee S, De Cooman BC. Mn partitioning during the intercritical annealing of ultrafine-grained 6% Mn transformation-induced plasticity steel. Scr Mater. 2011;64:649–652. doi: 10.1016/j.scriptamat.2010.12.012
   Web of Science ®Google Scholar
• Hu J, Cao W, Huang C, et al. Characterization of microstructures and mechanical properties of cold-rolled medium-Mn steels with different annealing processes. ISIJ Int. 2015;55:2229–2236. doi: 10.2355/isijinternational.ISIJINT-2015-187
   Web of Science ®Google Scholar
• Suh DW, Ryu JH, Joo MS, et al. Medium-alloy manganese-rich transformation-induced plasticity steels. Metall Mater Trans A. 2013;44:286–293. doi: 10.1007/s11661-012-1402-3
   Web of Science ®Google Scholar
• Wang XG, Wang L, Huang MX. Kinematic and thermal characteristics of Lüders and Portevin-Le Châtelier bands in a medium Mn transformation-induced plasticity steel. Acta Mater. 2017;124:17–29. doi: 10.1016/j.actamat.2016.10.069
   Web of Science ®Google Scholar
• Luo H, Dong H, Huang M. Effect of intercritical annealing on the Lüders strains of medium Mn transformation-induced plasticity steels. Mater Des. 2015;83:42–48. doi: 10.1016/j.matdes.2015.05.085
   Web of Science ®Google Scholar
• Han J, Lee S-J, Jung J-G, et al. The effects of the initial martensite microstructure on the microstructure and tensile properties of intercritically annealed Fe–9Mn–0.05C steel. Acta Mater. 2014;78:369–377. doi: 10.1016/j.actamat.2014.07.005
   Web of Science ®Google Scholar
• Lee S, Lee S-J, De Cooman BC. Work hardening behavior of ultrafine-grained Mn transformation-induced plasticity steel. Acta Mater. 2011;59:7546–7553. doi: 10.1016/j.actamat.2011.08.030
   Web of Science ®Google Scholar
• Lee S, Lee S-J, Santhosh Kumar S, et al. Localized deformation in multiphase, ultra-fine-grained 6 Pct Mn transformation-induced plasticity steel. Metall Mater Trans A. 2011;42:3638–3651. doi: 10.1007/s11661-011-0636-9
   Web of Science ®Google Scholar
• Ryu JH, Kim JI, Kim HS, et al. Austenite stability and heterogeneous deformation in fine-grained transformation-induced plasticity-assisted steel. Scr Mater. 2013;68:933–936. doi: 10.1016/j.scriptamat.2013.02.026
   Web of Science ®Google Scholar