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22 Result(s)

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  1. No Access

    Article

    Characteristics of Inclusions and Microstructures Around Solidification Hook of Low-Carbon Steel Continuous Casting Slab

    The area around the solidification hook for low-carbon steel continuous casting slab is divided into four zones: zone A (the overflow zone), zone B (the capture zone), zone C (the zone between oscillation mark...

    Qing Zhang, Jian Yang, Tingting Li, Jian Gong… in Metallurgical and Materials Transactions B (2023)

  2. No Access

    Article

    An Experimental Study on Gas–Liquid Flow and Mixing Behavior in a Copper Side-Blown Smelting Furnace

    The side-blown smelting technology has been widely adopted in the smelting of complex copper concentrate. This study investigated the flow field distribution in the copper smelting process in a 10:1 scaled co...

    Yadong **ao, Jie Wang, Tingting Lu… in Metallurgical and Materials Transactions B (2023)

  3. No Access

    Article

    CFD Simulation of Suspension Characteristics in a Stirred Tank for Slurry Electrolysis

    Slurry electrolysis (SE) is a one-step green electrochemical technology used for the treatment of complex ores and solid waste. To explore the solid–liquid suspension characteristics of an SE stirred tank for ...

    Tingting Lu, Hao Shen, Guoyi Na, **n Gao… in Metallurgical and Materials Transactions B (2022)

  4. No Access

    Article

    Computational Fluid Dynamics Simulation of Gas–Matte–Slag Three-Phase Flow in an ISASMELT Furnace

    A mathematical model was developed to simulate gas–matte–slag three-phase flow in ISASMELT furnace with a top-submerged lance. An experimentally verified simulation model was established by adopting a VOF mult...

    Hongliang Zhao, Yadong **ao, Fengqin Liu… in Metallurgical and Materials Transactions B (2021)

  5. No Access

    Article

    Dependency of Flow Pattern in the Mold on the Distribution of Inclusions Along the Thickness of Continuous Casting Slabs

    In the current study, the transition of the flow pattern in a 1000 mm × 237 mm continuous casting mold with the injected argon gas was measured using nail boards and the effect of flow pattern on the distribut...

    Fenggang Liu, Haichen Zhou, Lifeng Zhang… in Metallurgical and Materials Transactions B (2021)

  6. No Access

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    Effect of Thermal History on the Deformation of Non-metallic Inclusions During Plain Strain Compression

    The deformation of inclusions in the steel was affected by the thermal history during the physical simulation of steel processing. After plain strain compression with a reduction of 30 pct, the average aspect ...

    Yi Wang, Lifeng Zhang, Ying Ren, Zushu Li… in Metallurgical and Materials Transactions B (2021)

  7. No Access

    Article

    Deep Insights into the Twinning Mechanism in High-Performance Al Alloys: A Comprehensive First-Principles Study

    The twinning mechanism of Al solid solutions is comprehensively investigated via the first-principles method. The relative stability of C and H atoms at tetrahedral and octahedral centers is discussed. Moreover, ...

    Touwen Fan, Feng Liu, Zhipeng Wang… in Metallurgical and Materials Transactions A (2021)

  8. No Access

    Article

    Experimental Study on Bubble Distribution and Splashing in a Peirce–Smith Copper Converter

    More than 80 pct of copper matte in the world is refined by a Peirce–Smith converter (PSC), but there still exist a number of problems restricting the productivity of PSC. A novel view for improving the copper...

    Hongliang Zhao, **gqi Wang, Fengqin Liu… in Metallurgical and Materials Transactions B (2021)

  9. No Access

    Article

    Experimental Study of Magnesium (Mg) Production by an Integrated Calcination and Silicothermic Reduction Short Process

    To promote the innovation of raw magnesium production technology, an integrated calcination and silicothermic reduction short process for magnesium production was experimentally studied on the laboratory scale...

    Rongbin Li, Fengqin Liu, **g**g Zhong… in Metallurgical and Materials Transactions B (2021)

  10. Article

    Thermal Upgrading of Nickeliferous Pyrrhotite Tailings for the Recovery of Nickel in the Form of Ferronickel Alloy

    Production of ferronickel alloy by thermal treatment of nickeliferous pyrrhotite (Pyrr) tailings was studied by both thermodynamic assessment and experimentation. It was demonstrated that Ni can be extracted f...

    Dawei Yu, Feng Liu, Jia**g Zhang… in Metallurgical and Materials Transactions B (2019)

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  11. No Access

    Article

    Nonequilibrium Solidification, Grain Refinements, and Recrystallization of Deeply Undercooled Ni-20 At. Pct Cu Alloys: Effects of Remelting and Stress

    Grain refinement phenomena during the microstructural evolution upon nonequilibrium solidification of deeply undercooled Ni-20 at. pct Cu melts were systematically investigated. The dendrite growth in the bulk...

    **aolong Xu, Hua Hou, Yuhong Zhao, Feng Liu in Metallurgical and Materials Transactions A (2017)

  12. No Access

    Article

    Solidification Behavior and Cooling Curves for Hypereutectic Fe-21 At. Pct B Alloy

    The cooling curves for Fe-21 at. pct B hypereutectic alloy were measured, which are correlated with the solidification behaviors. At small undercoolings, the cooling curve has two recalescences, corresponding...

    Junfeng Xu, Zengyun Jian, Bo Dang, Di Zhang… in Metallurgical and Materials Transactions A (2017)

  13. No Access

    Article

    In Situ Observation of the Competition Between Metastable and Stable Phases in Solidification of Undercooled Fe-17at. pctB Alloy Melt

    High-speed video (HSV) technique was used to investigate the solidification behavior of undercooled Fe-17at. pctB alloy melt. Competitive growth between Fe/Fe3B (metastable eutectic) and Fe/Fe2B (stable eutectic)...

    Di Zhang, Junfeng Xu, Feng Liu in Metallurgical and Materials Transactions A (2015)

  14. No Access

    Article

    Effects of Alloying on Nanoscale Grain Growth in Substitutional Binary Alloy System: Thermodynamics and Kinetics

    Applying the regular solution model, the Gibbs free energy of mixing for substitutional binary alloy system was constructed. Then, thermodynamic and kinetic parameters, e.g., driving force and solute drag force, ...

    Haoran Peng, Yuzeng Chen, Feng Liu in Metallurgical and Materials Transactions A (2015)

  15. No Access

    Article

    Discontinuous Dynamic Recrystallization of Inconel 718 Superalloy During the Superplastic Deformation

    The superplastic behavior of Inconel 718 superalloy with particular emphasis on the microstructural evolution has been systematically investigated through tensile tests at the strain rate of 10−3 s−1 and the temp...

    Linjie Huang, Feng Qi, Peitao Hua, Lianxu Yu… in Metallurgical and Materials Transactions A (2015)

  16. No Access

    Article

    Solidification of Highly Undercooled Hypereutectic Ni-Ni3B Alloy Melt

    The solidification of undercooled Ni-4.5 wt pct B alloy melt was investigated by using the glass fluxing technique. The alloy melt was undercooled up to ΔT p ~ 245 K (245 °C), where a mixture of α

    Feng Liu, Junfeng Xu, Di Zhang, Zengyun Jian in Metallurgical and Materials Transactions A (2014)

  17. No Access

    Article

    Evolution of Secondary Phases Formed upon Solidification of a Ni-Based Alloy

    The solidification of UNS N08028 alloy subjected to different cooling rates was studied, where primary austenite dendrites occur predominantly and different amounts of sigma phase form in the interdendritic re...

    Qiang Zuo, Feng Liu, Lei Wang, Changfeng Chen in Metallurgical and Materials Transactions A (2013)

  18. No Access

    Article

    Phase Selection in Undercooled Ni-3.3 Wt Pct B Alloy Melt

    The change of eutectic solidification mode in undercooled Ni-3.3 wt pct B melt was studied by fluxing and cyclic superheating. The eutectic structure is mainly controlled by the undercooling for eutectic solid...

    Junfeng Xu, Feng Liu, Bo Dang in Metallurgical and Materials Transactions A (2013)

  19. No Access

    Chapter

    Nano-Scaled Grain Growth

    One of the main goals in sintering is to obtain dense compacts with retained grain sizes. Therefore, a detailed understanding of the phenomenon of grain growth and the parameters affecting it is of prime impor...

    Feng Liu, Mingming Gong in Sintering (2013)

  20. No Access

    Article

    Phase Selection and Microstructure Evolution in Nonequilibrium Solidification of Fe40Ni40B20 Alloy

    Phase selection and microstructure evolution in nonequilibrium solidification of ternary eutectic Fe40Ni40B20 alloy have been studied. It is shown that γ-(Fe, Ni) and (Fe, Ni)3B prevail in all the as-solidified s...

    Ke Zhang, Feng Liu, Jun-Feng Xu… in Metallurgical and Materials Transactions A (2012)

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