steel research international

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Online ISSN: 1869-344X

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Recently Published Articles

  1. Kinetics Simulation of MnS Precipitation in Electrical Steel

    Martin Lückl, Sabine Zamberger and Ernst Kozeschnik

    Article first published online: 27 AUG 2015 | DOI: 10.1002/srin.201500041

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    The most important inclusion in electrical steels is manganese sulfide (MnS). Solid-state precipitation of MnS during hot deformation is investigated in this work. Experimental results from literature are simulated and reproduced with the thermo-kinetic software package MatCalc.

  2. Tailoring the Hardening Behavior of 18CrNiMo7-6 via Cu Alloying

    Margarita D. Bambach, Wolfgang Bleck, Hendrik S. Kramer, Marcus Klein, Dietmar Eifler, Tilmann Beck, Holger Surm, Hans-Werner Zoch, Franz Hoffmann and Aurel Radulescu

    Article first published online: 10 AUG 2015 | DOI: 10.1002/srin.201500129

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    To improve the fatigue behavior of gear steels, a concept to increase their damage tolerance is developed. Cu is used in order to trigger nano-sized Cu precipitates, which shall improve the strain-hardening rate of the martensitic matrix of Cu-alloyed 18CrNiMo7-6 steel surrounding a non-metallic inclusion during plastic deformation. Fatigue tests reveal an increased damage tolerance for Cu-alloyed 18CrNiMo7-6 steel.

  3. Reduction Behavior and Structural Evolution of Iron Ores in Fluidized Bed Technologies—Part 2: Characterization and Evaluation of Worldwide Traded Fine Iron Ore Brands

    Anton Pichler, Heinrich Mali, Friedemann Plaul, Johannes Schenk, Michael Skorianz and Bernd Weiss

    Article first published online: 7 AUG 2015 | DOI: 10.1002/srin.201500176

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    The reduction by fluidized bed technologies enables the processing of fine iron ores to metallic iron. However, each iron ore shows its individual behavior in the fluidized bed. To evaluate different types of fine ore and to predict their behavior in the industrial process, standardized tests with a lab scale reactor have been performed. As a result, the classification of different fine iron ores due to disintegration and reducibility is possible.

  4. Deformation Bands in High-Alloy Austenitic 16Cr6Mn6Ni TRIP Steel: Phase Transformation and Its Consequences on Strain Hardening at Room Temperature

    Stefan Martin, Steffen Wolf, Sabine Decker, Lutz Krüger and Ulrich Martin

    Article first published online: 7 AUG 2015 | DOI: 10.1002/srin.201500005

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    The formation of deformation bands in high-alloy austenitic TRIP steels is analysed. The interaction of α′-martensite nuclei with dislocations in the deformation bands is analysed and modeled by a basic approach. Further, the influence of the α′-martensite formation on the strain hardening in the austenite was found to be independent of the austenite grain size.

  5. Theoretical Evaluation on Merits of the Processes of Gas-Based Shaft Furnace with Top Gas Recycling

    Bingnan Liu, Qiang Li, Zongshu Zou and Aibing Yu

    Article first published online: 29 JUL 2015 | DOI: 10.1002/srin.201500190

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    To achieve the solution to inadequate utilization of reducing gas in gas-based shaft furnace, the different innovative processes with top gas recycling and oxygen blowing are analyzed through a process model. The results show that top gas recycling has a limited effect on improvement of furnace performance. The oxygen blowing technology can reduce both the CO2 emission and energy consumption.