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Tetsu-to-Hagané Advance Publication

ISIJ International
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Grid List Abstracts
ONLINE ISSN: 1883-2954
PRINT ISSN: 0021-1575
Publisher: The Iron and Steel Institute of Japan

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  1. Vol. 111 (2025)

    1. No.9
    2. No.8
    3. No.7
    4. No.6
    5. No.5
    6. No.4
    7. No.3
    8. No.2
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  2. Vol. 110 (2024)

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    3. No.14
    4. No.13
    5. No.12
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  3. Vol. 109 (2023)

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  4. Vol. 108 (2022)

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  5. Vol. 107 (2021)

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  6. Vol. 106 (2020)

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  7. Vol. 105 (2019)

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  8. Vol. 104 (2018)

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  9. Vol. 103 (2017)

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  10. Vol. 102 (2016)

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  11. Vol. 101 (2015)

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  12. Vol. 100 (2014)

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  13. Vol. 99 (2013)

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  14. Vol. 98 (2012)

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  15. Vol. 97 (2011)

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  16. Vol. 96 (2010)

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  17. Vol. 95 (2009)

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  18. Vol. 94 (2008)

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  19. Vol. 93 (2007)

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  20. Vol. 92 (2006)

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  21. Vol. 91 (2005)

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  22. Vol. 90 (2004)

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  23. Vol. 89 (2003)

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  24. Vol. 88 (2002)

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  25. Vol. 87 (2001)

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  26. Vol. 86 (2000)

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  27. Vol. 85 (1999)

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  28. Vol. 84 (1998)

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  29. Vol. 83 (1997)

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  30. Vol. 82 (1996)

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  31. Vol. 81 (1995)

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  32. Vol. 80 (1994)

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  33. Vol. 79 (1993)

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  34. Vol. 78 (1992)

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  35. Vol. 77 (1991)

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  36. Vol. 76 (1990)

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  37. Vol. 75 (1989)

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  38. Vol. 74 (1988)

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  39. Vol. 73 (1987)

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  40. Vol. 72 (1986)

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  41. Vol. 71 (1985)

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  42. Vol. 70 (1984)

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  43. Vol. 69 (1983)

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  44. Vol. 68 (1982)

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  45. Vol. 67 (1981)

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  46. Vol. 66 (1980)

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  47. Vol. 65 (1979)

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  48. Vol. 64 (1978)

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  49. Vol. 63 (1977)

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  50. Vol. 62 (1976)

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  51. Vol. 61 (1975)

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  52. Vol. 60 (1974)

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  53. Vol. 59 (1973)

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  54. Vol. 58 (1972)

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  55. Vol. 57 (1971)

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  56. Vol. 56 (1970)

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  57. Vol. 55 (1969)

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  58. Vol. 54 (1968)

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  59. Vol. 53 (1967)

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  60. Vol. 52 (1966)

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  61. Vol. 51 (1965)

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  62. Vol. 50 (1964)

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  63. Vol. 49 (1963)

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  64. Vol. 48 (1962)

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  65. Vol. 47 (1961)

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  66. Vol. 46 (1960)

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  67. Vol. 45 (1959)

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  68. Vol. 44 (1958)

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  69. Vol. 43 (1957)

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  70. Vol. 42 (1956)

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    11. No.2
    12. No.1

  71. Vol. 41 (1955)

    1. No.12
    2. No.11
    3. No.10
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    5. No.8
    6. No.7
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    8. No.5
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Tetsu-to-Hagané Advance Publication

Structural Characterization Multi-component SFCA (Silico-Ferrite Calcium Aluminum) Realized in the Actual Sintered Ore

Kazumasa Sugiyama, Toru Kawamata, Haruto Sato, Takashi Mikouchi

DOI:

10.2355/tetsutohagane.TETSU-2025-003
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Structural Characterization Multi-component SFCA (Silico-Ferrite Calcium Aluminum) Realized in the Actual Sintered Ore

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Microstructure and Mechanical Properties of α+β (near β) Ti-17 Alloy Linear Friction-welded Joints

Natsumi Kinouchi, Yasuhiro Aoki, Kohsaku Ushioda, Masaaki Nakai, Hiroaki Matsumoto, Hidetoshi Fujii

DOI:

10.2355/tetsutohagane.TETSU-2025-032
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Microstructure and Mechanical Properties of α+β (near β) Ti-17 Alloy Linear Friction-welded Joints

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Improvement of Strength–Ductility Balance in Tempered Martensite Steel Using Multi-Objective Bayesian Optimization

Kengo Sawai, Toshio Ogawa, Ta-Te Chen, Fei Sun, Yoshitaka Adachi

DOI:

10.2355/tetsutohagane.TETSU-2025-030
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Improvement of Strength–Ductility Balance in Tempered Martensite Steel Using Multi-Objective Bayesian Optimization

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Arc-plasma-assisted Laser-induced Breakdown Spectroscopy (AP-LIBS): A Study on Signal Enhancement and Spatiotemporal Distribution

Hitoshi Muneoka, Tsuyohito Ito, Kazuo Terashima

DOI:

10.2355/tetsutohagane.TETSU-2025-035
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Arc-plasma-assisted Laser-induced Breakdown Spectroscopy (AP-LIBS): A Study on Signal Enhancement and Spatiotemporal Distribution

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Microscopic Shear Deformation Characteristics of the Lüders Front in a Metastable Austenitic Transformation-induced-plasticity Steel

Naoki Maruyama, Miyuki Yamamoto, Shinichiro Tabata

DOI:

10.2355/tetsutohagane.TETSU-2025-027
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Microscopic Shear Deformation Characteristics of the Lüders Front in a Metastable Austenitic Transformation-induced-plasticity Steel

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Preparation of Levoglucosan-rich Bio-oil and Its Application to Alkaline Hydrothermal Conversion of CO2 to Formic Acid

Kaito Yoshimura, Amon Kaku, Yasuyo Hachiyama, Shinji Kudo, Jun-ichiro Hayashi

DOI:

10.2355/tetsutohagane.TETSU-2025-021
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Preparation of Levoglucosan-rich Bio-oil and Its Application to Alkaline Hydrothermal Conversion of CO2 to Formic Acid

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Phonon Mean Free Path of Silicate Glasses: A Useful Parameter to Distinguish between Framework and Nonframework Cations

Sohei Sukenaga, Bunta Ozato, Yohei Onodera, Shinji Kohara, Masahiro Shimizu, Tsuyoshi Nishi, Rie Endo, Takaaki Tomai, Akira Yoko, Sakiko Kawanishi, Hiroshi Fukaya, Hiromichi Ohta, Hiroyuki Shibata

DOI:

10.2355/tetsutohagane.TETSU-2025-008
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Phonon Mean Free Path of Silicate Glasses: A Useful Parameter to Distinguish between Framework and Nonframework Cations

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Analysis of Reaction Mechanisms in CO2 Methanation Using Quantum Chemical Calculations

Yuji Shinohara, Naoto Tsubouchi

DOI:

10.2355/tetsutohagane.TETSU-2025-010

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Analysis of Reaction Mechanisms in CO2 Methanation Using Quantum Chemical Calculations

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Influence of Type of Reducing Agent Injected into Carbon Recycling Blast Furnace on CO2 Emission Reduction

Seiji Uchida, Yusuke Kashihara, Yuki Kawashiri, Toshiyuki Hirosawa, Tetsuya Yamamoto

DOI:

10.2355/tetsutohagane.TETSU-2025-011

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Influence of Type of Reducing Agent Injected into Carbon Recycling Blast Furnace on CO2 Emission Reduction

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Improvement of High Temperature Strength of NiAl Strengthened Ferritic Heat-resistant Alloys by Grain Boundary Coverage with χ Phase

Ken Cho, Asuka Yoshioka, Hiroyuki Y. Yasuda

DOI:

10.2355/tetsutohagane.TETSU-2025-014
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Improvement of High Temperature Strength of NiAl Strengthened Ferritic Heat-resistant Alloys by Grain Boundary Coverage with χ Phase

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Effect of Dislocation Density on σ Phase Precipitation Behavior in KA-SUS304J1HTB

Masahito Omiya, Yoshiki Shioda, Yohei Sakakibara, Keiji Kubushiro, Shigeto Yamasaki, Masaki Tanaka

DOI:

10.2355/tetsutohagane.TETSU-2025-006
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Effect of Dislocation Density on σ Phase Precipitation Behavior in KA-SUS304J1HTB

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Influence of Crystal Structure and Chemical Composition on the Reducibility of Silico-Ferrite of Calcium and Aluminum in CO–CO2–H2–H2O Atmosphere

Daisuke Maruoka, Shojiro Mataoka, Eiki Kasai, Taichi Murakami

DOI:

10.2355/tetsutohagane.TETSU-2024-143

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Influence of Crystal Structure and Chemical Composition on the Reducibility of Silico-Ferrite of Calcium and Aluminum in CO–CO2–H2–H2O Atmosphere

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Microstructural Analysis of Reduced Multicomponent Calcium Ferrite Using STEM-EDS and 3DAP

Kohei Ikeda, Michitoshi Saeki, Kenta Takehara, Masanari Tomozawa, Takashi Kawano

DOI:

10.2355/tetsutohagane.TETSU-2024-147

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Microstructural Analysis of Reduced Multicomponent Calcium Ferrite Using STEM-EDS and 3DAP

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Effect of Iron Ore Properties on Melting and Assimilation Phenomena in Parallel Granulation with Inclined Mixing of Limestone

Shintaro Yamazaki, Takero Adachi, Hiroyuki Taguchi, Koji Osuga, Kisato Koga, Masahiro Yakeya, Kazuya Miyagawa

DOI:

10.2355/tetsutohagane.TETSU-2024-148

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Effect of Iron Ore Properties on Melting and Assimilation Phenomena in Parallel Granulation with Inclined Mixing of Limestone

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Effects of Re-ignition and Coke Breeze Reduction on Sinter Microstructure in Sintering Process

Keisuke Hirano, Kazumasa Tsutsui, Toru Takayama, Masaru Matsumura

DOI:

10.2355/tetsutohagane.TETSU-2024-150

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Effects of Re-ignition and Coke Breeze Reduction on Sinter Microstructure in Sintering Process

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Effect of Mineral Phase Ratios on Reduction Behavior of Multi-component Calcium Ferrite Extracted from Iron Ore Sinter

Daisuke Maruoka, Nanase Kimura, Eiki Kasai, Taichi Murakami

DOI:

10.2355/tetsutohagane.TETSU-2024-151

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Effect of Mineral Phase Ratios on Reduction Behavior of Multi-component Calcium Ferrite Extracted from Iron Ore Sinter

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Effect of Fe2+/Fe3+ Ratio on the Reduction Behavior of SFCA-I in Hydrogen-enriched Atmosphere

Daisuke Maruoka, Yuto Onuma, Eiki Kasai, Taichi Murakami

DOI:

10.2355/tetsutohagane.TETSU-2024-139

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Effect of Fe2+/Fe3+ Ratio on the Reduction Behavior of SFCA-I in Hydrogen-enriched Atmosphere

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Effect of Decreasing Gas Flow Rate between Two Ignition Furnaces on Sinter Yield at REMO-tec (Re-ignition sintering) Process

Masaru Matsumura, Keigo Noda, Kohei Okada, Junji Nagata, Kenichi Higuchi

DOI:

10.2355/tetsutohagane.TETSU-2024-145

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Effect of Decreasing Gas Flow Rate between Two Ignition Furnaces on Sinter Yield at REMO-tec (Re-ignition sintering) Process

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Hydrogen Embrittlement Susceptibility of Linear Friction Welded Medium Carbon Steel Joints

Riki Toramoto, Takayuki Yamashita, Kohsaku Ushioda, Tomohiko Omura, Hidetoshi Fujii

DOI:

10.2355/tetsutohagane.TETSU-2025-002
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Hydrogen Embrittlement Susceptibility of Linear Friction Welded Medium Carbon Steel Joints

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Micromechanism of Heterogeneous Reduction of Iron Ore Sinters Investigated by Synchrotron X-Ray Multimodal Analysis

Yasuo Takeichi, Reiko Murao, Masao Kimura

DOI:

10.2355/tetsutohagane.TETSU-2024-141

Abstract

The reducibility and mechanical properties of iron ore sinter in blast furnace is critical to effective plant operation. The reduction reaction of sinters progresses heterogeneously owing to microstructures with various mineral phases and pore networks. The reduction process was investigated by semi-microbeam synchrotron X-ray multimodal analysis. Heterogeneous chemical state evolution of Fe and trigger sites of crack formation were visualized using two-dimensional Fe K-edge X-ray absorption near-edge structure analysis and were discussed based on reduction gas transfer. The elemental composition map and X-ray diffraction microanalysis were also combined to reveal the microprocesses during the reduction, such as calcium ferrite decomposition and crystal grain growth.

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Micromechanism of Heterogeneous Reduction of Iron Ore Sinters Investigated by Synchrotron X-Ray Multimodal Analysis

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Friction Stir Welding of Fe-15Mn-10Cr-8Ni-4Si Seismic Damping Alloy

Tomoya Nagira, Terumi Nakamura, Takahiro Sawaguchi, Masakazu Mori, Yoshiaki Morisada, Hidetoshi Fujii

DOI:

10.2355/tetsutohagane.TETSU-2024-127

Abstract

Friction stir welding (FSW) was applied to a 10 mm-thick plate for the Fe-15Mn-10Cr-8Ni-4Si seismic damping alloy. A sound FSW joint was obtained successfully without macro-defects such as groove-like defects and tunnel holes. However, small pores with diameters of 1–5 μm were formed owing to the wear of the FSW tool during the FSW. The decrease in the heat input suppressed the tool wear. Consequently, the distribution of small pores was limited to the border of the stir zone at the advancing side under smaller heat input conditions. The stir zone of the FSW specimen produced at 125 rpm showed a higher tensile strength of 759 MPa owing to the grain refinement and the high elongation of 50% compared with the base metal. In addition, the stir zone exhibited a remarkable fatigue life of 9,723 cycles. This was higher than that of the base metal (8,908 cycles). Grain refinement occurred by discontinuous dynamic recrystallization (DDRX) via high-angle boundary bulging and direct nucleation in the high-dislocation area. The increase in the heat input suppressed the DDRX owing to the promotion of dynamic recovery.

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Friction Stir Welding of Fe-15Mn-10Cr-8Ni-4Si Seismic Damping Alloy

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Direct Observation of Atomic Arrangement in Multicomponent Calcium Ferrite Using Scanning Transmission Electron Microscopy

Kenta Takehara, Kohei Ikeda, Takashi Kawano, Takahide Higuchi

DOI:

10.2355/tetsutohagane.TETSU-2024-080

Abstract

To reduce the reducing agent ratio and CO2 emissions in blast furnace operation, it is important to control the material structure of sintered ore, which affects its metallurgical and mechanical properties. Multicomponent calcium ferrites (also called CF or SFCA (silico-ferrite of calcium and aluminum)), which is a type of melting and solidification structure, has attracted considerable interest recently, and the chemical composition and crystal structure of each CF have been researched. Although the crystal structure of CF has conventionally been analyzed mainly by XRD, the atomic arrangement could not be observed directly. Therefore, in this study, CF was investigated at the atomic level by scanning transmission electron microscopy (STEM). This research revealed that acicular CF, which was previously understood to be SFCA-I, has a SFCA (≠ SFCA-I)structure. It was also found that columnar CF had a non-periodic SFCA structure induced with a magnetite-like structure. Furthermore, a CF in which SFCA and SFCA-I were alternately stacked repeatedly was also discovered. This research clarified the fact that CF has a non-periodic structure at the atomic level.

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Direct Observation of Atomic Arrangement in Multicomponent Calcium Ferrite Using Scanning Transmission Electron Microscopy

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Effect of Alumina on the Phase Equilibria of the Iron-rich Corner of the CaO-SiO2-Fe2O3 System at 1240°C in Air

Amane Takahashi, Yukihiro Uchisawa, Hirokazu Sato, Takashi Watanabe, Rie Endo, Masahiro Susa, Miyuki Hayashi

DOI:

10.2355/tetsutohagane.TETSU-2024-079

Abstract

The effect of Al2O3 on the compositional region of silico-ferrite of calcium and aluminum (SFCA) and the liquid phase and the phase equilibria, including SFCA, was investigated in a CaO-SiO2-Fe2O3-5mass%Al2O3 system at 1240 °C in air. To obtain the desired composition, reagent-grade CaCO3, SiO2, Fe2O3, and Al2O3 powders were weighed, mixed, and equilibrated at 1240 °C in air. Each obtained sample was divided into two parts: one was pulverized into a powder and analyzed by XRD, and the other was subjected to microstructural observation and compositional analysis using EPMA. The results revealed that the compositional region of SFCA lies on the CF3-CA3-C4S3 plane and is C/S = 2.77–7.60 for 5 mass% Al2O3. Compared with the SFC composition region for 0 mass% Al2O3, the compositional range of SFCA extended in the CF3-C4S3 direction, suggesting that the addition of Al2O3 contributes to the stability of SFCA. Furthermore, the liquid-phase region was divided into a ferrite melt with a high Fe2O3 concentration and a silicate melt with a high SiO2 concentration, both of which shifted to the lower Fe2O3 side compared to the liquidus isotherm in the CaO-SiO2-Fe2O3 system. Unlike CaO-SiO2-Fe2O3, SFCA-I (SFC-I) was observed in the CaO-SiO2-Fe2O3-5mass%Al2O3 system, thus indicating that the addition of Al2O3 contributes to the stability of SFCA-I.

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Effect of Alumina on the Phase Equilibria of the Iron-rich Corner of the CaO-SiO2-Fe2O3 System at 1240°C in Air

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Effect of Re-ignition Method on Sinter Yield Through Improving Carbon Combustion Ratio at Upper Layer of Sinter Packed Bed

Masaru Matsumura, Ryota Kosugi, Yuichiro Yamamoto, Junji Nagata, Kenichi Higuchi

DOI:

10.2355/tetsutohagane.TETSU-2024-031

Abstract

Conventionally, it has been known that the product yield of the upper part of the sintering layer is extremely low, because of the heat loss caused by transferring heat toward the space above sintering layer, and of the large amount of unburned carbon in upper sintering layer.

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Effect of Re-ignition Method on Sinter Yield Through Improving Carbon Combustion Ratio at Upper Layer of Sinter Packed Bed

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