Harjo Stefanus

ハルヨステファヌス | Harjo Stefanus

Affiliation and department：

Research field (1)： Structural and functional materials

Research theme for competitive and other funds (9)：

2018 - 2023 Materials science of millefeuille structure (Management group)
2018 - 2023 Solving kink formation/strengthening mechanism through precise structure analyses
2019 - 2021 Elucidation of the mechanism to control the excellent high temperature properties of nano-microstructured high entropy alloys
2015 - 2020 Materials design based on fundamental understanding of peculiar mechanical properties of bulk nanostructure metals
2014 - 2018 Establishment of procedures to obtain the maximum TRIP effect

Show all

Papers (348)：

Wenqi Mao, Si Gao, Wu Gong, Takuro Kawasaki, Tatsuya Ito, Stefanus Harjo, Nobuhiro Tsuji. Martensitic transformation-governed Lüders deformation enables large ductility and late-stage strain hardening in ultrafine-grained austenitic stainless steel at low temperatures. Acta Materialia. 2024. 278
Li Zhu, Haiyan He, Muhammad Naeem, Xun Sun, Ji Qi, Peng Liu, Stefanus Harjo, Kenji Nakajima, Bing Li, Xun Li Wang. Antiferromagnetism and Phase Stability of CrMnFeCoNi High-Entropy Alloy. Physical Review Letters. 2024. 133. 12
Huiqiang Ying, Xiao Yang, Haiyan He, Ao Yan, Ke An, Yubin Ke, Zhenduo Wu, Song Tang, Ziyou Zhang, Hongliang Dong, et al. Anomalous dislocation response to deformation strain in CrFeCoNiPd high-entropy alloys with nanoscale chemical fluctuations. Scripta Materialia. 2024. 250
Y.-J. Zhang, T. Umeda, S. Morooka, S. Harjo, G. Miyamoto, T. Furuhara. Pearlite Growth Kinetics in Fe-C-Mn Eutectoid Steels: Quantitative Evaluation of Energy Dissipation at Pearlite Growth Front Via Experimental Approaches. Metallurgical and Materials Transactions A. 2024. 55. 10. 3921-3936
Thanh-Dat Nguyen, Chetan Singh, You Sub Kim, Jun Hyun Han, Dong-Hyun Lee, Kwangjin Lee, Stefanus Harjo, Soo Yeol Lee. Mechanical properties of base metal and heat-affected zone in friction-stir-welded AA6061-T6 at ultra-low temperature of 20 K. Journal of Materials Research and Technology. 2024. 31. 1547-1556

ｍore...

MISC (388)：

山崎倫昭, 萩原幸司, 松本龍介, 眞山剛, HARJO Stefanus. Developing Structural Lightweight Metallic Materials with High Strength and Large Ductility Based on Multimodal Microstructure Design Concept. まてりあ(Web). 2024. 63. 1
堀口皓匠, 山崎倫昭, 西本宗矢, 眞山剛, 萩原幸司, 徳永透子, HARJO Stefanus. α-Mg/LPSO二相合金押出材の引張・圧縮変形挙動の調査. 日本金属学会講演大会(Web). 2024. 174th
田中大地, 眞山剛, 高山隼太朗, 山崎倫昭, 河村能人, 諸岡聡, GONG Wo, HARJO Stefanus, 萩原幸司, 徳永透子. Estimation of critical resolved shear stress for basal slip system of α-Mg and LPSO phases in as-cast Mg₉₄Zn₂Y₄ alloy. 日本金属学会九州支部・日本鉄鋼協会九州支部・軽金属学会九州支部合同学術講演大会講演概要集. 2024. 2024
HARJO Stefanus, 山崎倫昭, GONG Wu, 川崎卓郎, 相澤一也. Deformation behavior of individual constituent phases and components in multimodal magnesium alloys. X線材料強度に関するシンポジウム講演論文集. 2024. 58th
伊東達矢, ゴンウー, マオウェンチ, 川崎卓郎, ハルヨステファヌス, 小川祐平, 岡田和歩, 柴田曉伸. Investigation of the effects of solute hydrogen on the deformation behavior of SUS310S via in situ neutron diffraction. 材料とプロセス(CD-ROM). 2024. 37. 1

ｍore...

Lectures and oral presentations (45)：

In-situ neutron diffraction study on tensile deformation behaviors of UFG Fe-24Ni-6Al-0.4C alloy containing B2 intermetallic compounds
(日本金属学会講演概要(CD-ROM) 2018)
9aPS-17 Large elastic deformation in Fe_3Pt which shows second-order-like martensitic transformation
(Meeting abstracts of the Physical Society of Japan 2014)
OS0409 Quantitative Analysis of Tensile Deformation Behavior Based on Theory of Elasticity for α-β Titanium Alloys
(M&M材料力学カンファレンス 2013)
OS1430 Residual Stress Measurement of Dissimilar Metal Welded Joint in High Temperature by Neutron Diffraction
(M&M材料力学カンファレンス 2013)
Powder neutron diffraction study of phase E
(日本鉱物科学会年会講演要旨集 2013)

ｍore...

Professional career (1)：

Work history (1)：

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page