steel research international

Cover image for Vol. 86 Issue 7

Online ISSN: 1869-344X

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Recently Published Articles

  1. 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.

  2. Study on Apparent Viscosity of Foam and Droplet Movement Using a Cold Model

    Johan Martinsson and Du Sichen

    Article first published online: 29 JUL 2015 | DOI: 10.1002/srin.201500200

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    The apparent viscosities of foams generated by passing argon through silicone oil are measured. The foams are found to be non-Newtonian flows and have apparent viscosities about 4–5 times higher than the dynamic viscosity. The average velocities of the particles/droplets moving in the foam are substantially lower than the values estimated based on the dynamic viscosities of the oils.

  3. Detection of Non-Metallic Inclusions in Quenched and Tempered Steel Bars by XCT and after Fatigue Life Testing

    Christian Gusenbauer, Michael Reiter, Johann Kastner and Gerald Kloesch

    Article first published online: 21 JUL 2015 | DOI: 10.1002/srin.201500083

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    This paper deals with the production, detection, and identification of harmful NMIs in steel bars by means of XCT and fatigue life testing and the subsequent inspection of the resulting fracture surface by SEM and EDX. These characterization methods enable NMI design by modifying its chemical composition during secondary metallurgical processing and thus improving steel cleanness.

  4. From High-Entropy Alloys to High-Entropy Steels

    Dierk Raabe, Cemal Cem Tasan, Hauke Springer and Michael Bausch

    Article first published online: 21 JUL 2015 | DOI: 10.1002/srin.201500133

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    We present a class of massive solid solution steels with high configurational entropy. Focus is placed on the system Fe–Mn–Al–Si–C, i.e., considering also C interstitials. By exploiting the flat configurational entropy plateau in metal mixtures, solid solutions of lean, non-equiatomic compositions can be stabilized. This renders the high-entropy alloying concept, where none of the elements prevails, into high-entropy steels.

  5. Effect of Carbide Distribution on the Grain Refinement in the Steel for Large-Size Bearing Ring

    Zhengqiang Dong, Bo Jiang, Zhen Mei, Chaolei Zhang, Leyu Zhou and Yazheng Liu

    Article first published online: 17 JUL 2015 | DOI: 10.1002/srin.201500212

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    Ni addition could contribute to decreasing the size and affecting the type of carbides. Carbides with smaller size are beneficial to the pinning effect and result in a better effect of grain refinement.