The Iron and Steel Institute of Japan - 2026 Sawamura Award
This award is given to papers that have made significant academic or technological contributions among those published in Tetsu-to-Hagane and ISIJ International in 2024. It has been decided that the award will be presented to Dr. ZHANG Yongjie, Mr. MARUSAWA Kento, Mr. KUDO Kohei of the Institute for Materials Research, Tohoku University; Dr. MOROOKA Satoshi of the Materials Science Research Center, JAEA; Dr. HARJO Stefanus of the Materials and Life Division, J-PARC; Dr. MIYAMOTO Goro, Dr. FURUHARA Tadashi of the Institute for Materials Research, Tohoku University.
The awarded paper reports research carried out using "TAKUMI," the engineering materials diffraction instrument at J-PARC. By employing neutron diffraction, electron microscopy, and three-dimensional atom probe techniques, this study provides a comprehensive analysis of the low-temperature tempering processes in high-carbon martensitic steels, systematically elucidating carbide precipitation and lattice changes caused by carbon diffusion.
This research findings provide essential insights for ensuring toughness and ductility, and greatly contributed to improving the understanding of tempering process as well as the accuracy of steel performance predictions.
The award ceremony will be held on March 11, 2026.
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Engineering Materials Diffractometer "TAKUMI" In situ Neutron Diffraction Measurement during High-Temperature Deformation