steel research international

Cover image for Vol. 85 Issue 9

Online ISSN: 1869-344X

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  • Current Issue:September 2014

    Volume 85, Issue 9

    Special Issue: Fast Algorithms for Forming Process...

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    Special Issue: Multiscale Modeling

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Recently Published Articles

  1. Simulation on Flow Field and Mixing Phenomenon in Single Snorkel Vacuum Degasser

    Dian-Qiao Geng, Xin Zhang, Xing-An Liu, Ping Wang, Hai-Tao Liu, Hong-Min Chen, Chuan-Min Dai, Hong Lei and Ji-Cheng He

    Article first published online: 17 SEP 2014 | DOI: 10.1002/srin.201400092

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    Flow field and mixing phenomenon in single snorkel degasser with ladle bottom blowing has been investigated by numerical method. The results show that the flow field inside the single snorkel vacuum degasser can be optimized in order to achieve higher recirculation rates and smaller mixing times, which are important to refining.

  2. Research on the Improvement Effect of High Tension on Flatness Deviation in Cold Strip Rolling

    Xiao-chen Wang, Quan Yang, Zheng-yi Jiang and Jin-wu Xu

    Article first published online: 17 SEP 2014 | DOI: 10.1002/srin.201400048

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    A roll-strip-tension coupling model with both accuracy and efficiency is established for cold rolling process with tension. Then the self-correction effect of front tension and the attenuation effect of back tension on flatness deviation are analyzed by the calculation results of the model, and corresponding quantitative correction coefficient and attenuation coefficient are obtained.

  3. Deformation-Induced Role Switching Between Ferrite and Austenite in the Precipitation of Carbides at High Temperatures in Duplex Stainless Steels

    Kin Ho Lo

    Article first published online: 17 SEP 2014 | DOI: 10.1002/srin.201400098

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    The austenite phase of duplex stainless steels (DSSs) is always considered to undergo nearly no phase transformation or precipitation upon annealing. The ferrite phase, on the other hand, is always regarded as the active transforming/precipitating phase. However, it's been found that if DSSs are plastically deformation and annealed between 900 and 1050°C, then the situation will be totally opposite.

  4. Physical Simulation of the Flow Field in a Vertical Twin Roll Strip Caster – A Water Model Study

    Arnis Pelss, Antje Rückert and Herbert Pfeifer

    Article first published online: 17 SEP 2014 | DOI: 10.1002/srin.201400150

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    The visualization of the flow inside the pool of a twin roll strip caster is important for the process. In this study, the flow is systematically investigated for different volume flow distributions in a full scale water model. Therefore the particle image velocimetry method and video analysis are used to determine the main flow patterns.

  5. Influence of Bainite Morphology on Ductile Fracture Behavior in a 0.4C-CrMoNi Steel

    Navid Saeidi, Fakhreddin Ashrafizadeh, Behzad Niroumand, Mohammad Reza Forouzan and Frederic Barlat

    Article first published online: 11 SEP 2014 | DOI: 10.1002/srin.201400155

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    SEM analysis is involved in studying ductile fracture mechanism in upper and lower bainitic steels. Detailed microstructural analysis reveales that cracking and interface decohesion of Al2O3 inclusions at lower strains and decohesion of cementite/ferrite matrix interfaces at higher strains are the main void nucleation mechanisms. Void growth behavior is also modeled. Moreover, final fracture mechanisms are examined and cleared in both steels studied.