THERMEC 2018 ISBN(softcover): 978-3-0357-1208-7 ISBN(eBook): 978-3-0357-3208-5 Table of Contents Preface Chapter 1: Steels. Properties and Processing Technologies Effect of Mo, Nb and V on Hot Deformation Behaviour, Microstructure and Hardness of Microalloyed Steels N. Singh, A.G. Kostryzhev, C.R. Killmore and E.V. Pereloma 3 Extended Application of Hardness Prediction System for Temper Bead Welding of A533B Steel to Various Low-Alloy Steels L.N. Yu, K. Saida and K. Nishimoto 9 Cracking and Failure in a High Strength Low Alloy Steel during Solidification A. Loucif, D. Shahriari, K. Chadha, C.P. Zhang, M. Jahazi, R. Tremblay and L.P. Lapierre-Boire 15 Effect of Annealing Conditions on the Dissolution Process of Complex Carbonitrides in a V- Nb-Ti Microalloyed Steel G. Basanta, A.L. Rivas, E. Díaz and C. Parra 21 The Effect of Test Temperature on Deformation Microstructure and Fracture Mechanisms in CrMn High-Nitrogen Steels Alloyed (0-3 wt.%) with Vanadium E. Astafurova, V. Moskvina, G.G. Maier, E. Melnikov, N. Galchenko, S. Astafurov, A. Gordienko, A. Burlachenko, A. Smirnov and V. Bataev 27 Characterisation of Precipitation and Coarsening of Carbides during Tempering in a Low Alloyed Quenched and Tempered Steel Y.L. Ju, A. Goodall, C. Davis and M. Strangwood 33 On the Microstructural Characteristics of UFG Microalloyed Steel Influencing the Mechanical Behavior under Dynamic Loading J. Majta, R. Bloniarz, M. Kwiecień and K. Muszka 39 Critical Strain for Complete Austenite Recrystallisation during Rough Rolling of C-Mn Steel and Nb-Ti-V Microalloyed Steel D.R.N. Maubane, C.W. Siyasiya, K.M. Banks and W.E. Stumpf 46 Effect of Quenching and Partitioning Processing on Microstructure and Mechanical Properties of a Low Alloyed Steel B. Pfleger, M. Gruber, G. Ressel, P. Gruber, M. Galler, S. Marsoner and R. Ebner 52 Optimization of Pulse-Step Method for Liquid Steel Alloying in One Strand Slab Tundish A. Cwudziński 58 Induction Hardening of a 0.40 % C Novel Microalloyed Steel: Effects of Heating Rate on the Prior Austenite Grain Size V. Javaheri, N. Khodaei, T.T. Nyo and D.A. Porter 64 Microalloying Additions to Commodity C-Mn Structural Steels: Fundamental Strengthening Mechanisms Leading to Improvements in Mechanical Properties, Alloy Optimization, Reduced Alloy Costs and Robustness of Hot Rolling Processing R. Barbosa, P. Uranga, J.M. Rodriguez-Ibabe, D. Stahlheim, M. Rebellato, M.L. Qiao and H.X. Wang 71 An Integrated Model for Rolling Schedule Design of Microalloyed Steels Z.L. Guo, N. Saunders and J.P. Schillé 77 Influence of Aluminium on Castability of V-Microalloyed Steels K.M. Banks, A. Tuling, M. Netshilema and M. Burty 83 Through-Scale Analysis of Strain Path Effects in Microalloyed Austenite Subjected to Reverse Rolling K. Muszka, J. Majta and M. Gliwinski 89 Modelling of the Influence of Prior Deformation of Austenite on the Martensite Formation in a Low-Alloyed Carbon Steel J. Gyhlesten Back and L.E. Lindgren 95 High Strength High Ductility Low Alloyed Steel A. Arlazarov, J. Hell, C. Oberbillig and F. Kegel 100 Effect of Ti on the Microstructure and Mechanical Properties of a Hot Rolled Advanced High Strength Steel Strip A. Smith, F. Vercruysse, R. Petrov, P. Verleysen and B. Linke 106 Surface Defect Formation in Steel Continuous Casting M.L.S. Zappulla and B.G. Thomas 112 Microstructure, Texture, Mechanical and Corrosion Performance of the Stainless Duplex Steel UNS S32205 Submitted to Warm Rolling D.B. Santos, R.F. Assumpção, D.B. Perasoli and D.C. Sicupira 118 Prediction of the Hydrogen-Induced Damage to Ultra-High Strength Steel Concepts T. Schaffner, A. Hartmaier, M. Pohl and V. Kokotin 124 Nucleation Effect of Ca-Oxysulfide Inclusions of Low Carbon Steel in Heat Affected Zone by Welding Y. Terazawa, K. Ichimiya and K. Hase 130 Recrystallization and Grain Growth Phenomena in Stainless Steels for Different Thermo- Mechanical Processes G. Napoli, S. Grimozzi, C. Rocchi and A. di Schino 135 Evaluation of Nanosize NbC Precipitates in HSLA Steel through Microstructural Analysis and Small Angle Neutron Scattering H. Nakamichi, K. Yamada, K. Okuda, T. Ishida and M. Ohnuma 141 TMP as an Effective Technique to Produce Ultra-Fine Grained Steels G. Kodzhaspirov and A. Rudskoi 147 Critical Conditions of Cold Cracking in High Strength Steel Weld Based on the Local Stress Distribution and Hydrogen Accumulation Y. Sato, Y. Murakami, I. Satoshi and N. Ishikawa 153 Effect of Gap between Steel Sheet and Electrode on Resistance Spot Welding S. Matsui, C. Wakabayashi and S. Kodama 158 Effect of Coiling Temperature on the Hardening Mechanisms of a High-Ti Steel B. Pereda, L. Garcia-Sesma and B. López 164 Novel Hot-Rolled Structural Plate Steels with Yield Strength of 700 Mpa and Excellent Usability V. Ritola, J. Pyykkönen, D. Martin, P. Suikkanen and M. Carlsson 170 Deformation Structures in a Duplex Stainless Steel K. Yvell and G. Engberg 176 Development of the Projection Welding Technology for High-Strength Steel Sheets S. Furusako, S. Kodama, M. Yasuyama and Y. Miyazaki 182 Deformation Properties of Austenitic Stainless Steels with Different Stacking Fault Energies D. Molnár, G. Engberg, W. Li and L. Vitos 190 Understanding Hot vs. Cold Rolled Medium Manganese Steel Deformation Behavior Using In Situ Microscopic Digital Image Correlation A. Dutta, D. Ponge, S. Sandlöbes and D. Raabe 198 Effect of Original Microstructure on Microstructure and Mechanical Properties of High Strength Steel WHF1500H during Hot Forming W.Q. Zhou, L.B. Pan, K.H. Hu, W.H. Sun and R.D. Han 206 Crystal Plasticity Simulation Considering Microstructures of Austenitic Stainless Steel on Macroscopic Yield Function Y. Aoyagi, A. Sagara, C. Watanabe, M. Kobayashi, Y. Todaka and H. Miura 212 Analyses of Texture and Deformation Mechanism in Fine-Grained Austenitic Stainless Steels by Electron Back Scatter Diffraction K. Ishida, T. Matsuo and M. Imafuku 218 Microstructures and Mechanical Properties of Welded Joints of Several High Tensile Strength Steel T. Izumi, T. Kobayashi, I. Shohji and H. Miyanaga 224 Change in Yield Strength of Nb-Bearing Ultra-Low Carbon Steels by Temper-Rolling L.L. Yang, T. Nakagaito, Y. Funakawa and K. Kojima 230 VC-Precipitation Kinetics Studied by Small-Angle Neutron Scattering in Nano-Steels C. Ioannidou, Z. Arechabaleta, A. Rijkenberg, R.M. Dalgliesh, A.A. van Well and S.E. Offerman 236 Influence of Nb Addition on Impact Toughness of As-Quenched Martensitic Stainless Steel for Automotive Applications J.D. Mithieux, H. Godin, A.F. Gourgues-Lorenzon and C. Parrens 245 b THERMEC 2018 Ferrite-Martensite Dual-Phase Steel Produced by a Modified Quenching and Partitioning Process H.S. Di, Y.G. Deng and J.P. Li 251 Temperature Dependent Mechanical Behavior of ODS Steels M. de Sanctis, A. Fava, G. Lovicu, R. Montanari, M. Richetta, C. Testani and A. Varone 257 Investigation of the Local Austenite Stability Related to Hydrogen Environment Embrittlement of Austenitic Stainless Steels R. Fussik, G. Egels, W. Theisen and S. Weber 263 Numerical Simulation of Residual Stresses due to Multipass Welding in High Strength Steel Plates and Validation against Experimental Measurements C. Ramard, D. Carron, P. Pilvin and F. Bridier 269 Magnetic Barkhausen Noise Characterization of the Recrystallization of a Non-Oriented Electrical Steel after Cold Rolling at Different Angles to the Hot Rolling Direction Y.L. He, M. Mehdi, E.J. Hilinski and A. Edrisy 274 Numerical Analysis of Temperature Rise during Dynamic Loading for Dissimilar Steel Joint Specimen Y. Takashima and F. Minami 280 Low Density Steels for Forging I. Kaltzakorta, T. Gutierrez, R. Elvira, T. Guraya and P. Jimbert 287 Effect of Al on the Microstructure and Mechanical Properties of Hot-Rolled Medium-Mn Steel D.T. Han, Y.B. Xu, Y. Zou, Z.P. Hu, S.Q. Chen and Y.M. Yu 292 Mechanical Behavior of High-Mn Steels Processed by Hot Rolling A. Belyakov, P. Dolzhenko, M. Tikhonova, V. Torganchuk and R. Kaibyshev 299 Influence of Starting Microstructure on Dilatation Behavior during Tempering of a High Strength Steel S.H. Talebi, H. Ghasemi-Nanesa, M. Jahazi and H. Melkonyan 305 Effect of Tempering on Hardness of Q&T Steel Plate A. Goodall, Y.L. Ju, C. Davis and M. Strangwood 311 Integration of Press-Hardening Technology into Processing of Advanced High Strength Steels H. Jirková, K. Opatová, J. Káňa, D. Bublíková and M. Bystrianský 317 Microstructural Evolution and Deformation Behavior of Cold-Rolled Fe-Mn-Al-C Low- Density Steel N.P. Zhou, R.B. Song, X. Li and W.J. Niu 323 Isothermal Transformation, Microstructure and Mechanical Properties of Ausformed Low- Carbon Carbide-Free Bainitic Steel J.Y. Meng, L.J. Zhao, F. Huang, F.C. Zhang and L.H. Qian 329 Effect of Precipitation State on Strength and Toughness of Precipitation Hardened Hot Rolled Steel Sheet T. Yokoyama and S. Taniguchi 334 Creep Property of Boron Added 9Cr Heat Resistant Steels after Welding T. Matsunaga, M. Souissi, R. Sahara, H. Hongo, M. Tabuchi, W. Zhang and M.J. Mills 340 Microstructure Evolution and Change in Mechanical Properties of Medium Mn Steels during Thermomechanical Processing F.F. Hou, A. Ito, Y. Bai, A. Shibata and N. Tsuji 346 Design and Properties of 1000 MPa Strength Level Hot-Formed Steels Possessing Dual- Phase and Complex-Phase Microstructures M. Arribas, R. Rana, C. Lahaije, X. Gómez, I. Aranguren and I. Pérez 352 Effect of Different Microstructures on the Performance of Air-Cooled Forging Steel 46MnVS5 Fracture Splitting Connecting Rod Y. Wei, W. Fang, C.L. Zhang, B.R. Cai and Y.Z. Liu 358 The Effect of Heating Rate and Temperature on Microstructure and R-Value of Type 430 Ferritic Stainless Steel M. Jaskari, A. Järvenpää and L.P.