Research field (3):
Metals and resources production
, Structural and functional materials
, Material fabrication and microstructure control
Research theme for competitive and other funds (16):
2021 - 2024 鋼のせん断変態における組織形成過程の3次元的理解
2020 - 2023 3次元組織解析による鋼のせん断型変態における組織形成機構の解明
2018 - 2023 先端的な構造材料・プロセスに対応した逆問題MI基盤の構築
2018 - 2020 鉄鋼材料の超音波接合におけるミクロ組織の影響
2014 - 2019 マテリアルズインテグレーションシステムの開発
2017 - 2018 鋼の3次元構造組織制御と残留オーステナイト制御による延性向上指針の構築
2014 - 2017 Investigation of interfacial strength evolution in dissimilar metal bonding and its application to a new bonding process
2014 - 2016 Development of multi-phase steels with fine and complicated 3-dimensional continuous structure by controlling martensitic transformation
2014 - 2015 高比強度と高延性を両立するMg基複層金属材料の開発
2013 - 2015 中高炭素鋼ベース高強度高延性複層鋼板の開発
2011 - 2014 Phase transformation of steel nucleating from non-metallic compounds and its application to high-performance steel
2012 - 2014 超微細組織を有する新規複合鉄鋼材料の創成のための鋼/化合物へテロ界面制御
2012 - 2013 鋼/化合物へテロ界面制御による超微細組織を有する新規鉄鋼材料の創成
2011 - 2013 鉄鋼の高性能化と低炭素化を両立する複層鋼板
2010 - 2011 自動車軽量化を可能にする鉄基複層金属材料の創成
2006 - 2010 超高強度軽量移動体を可能にする複層鋼板
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Papers (66):
Sien Liu, Shoichi Nambu. Effect of plastic deformability and fracture behaviour on interfacial toughening mechanism at Fe/Ni interfaces. International Journal of Plasticity. 2024. 181
Sien Liu, Shoichi Nambu. Revealing the grain boundary effect on interfacial adhesion in polycrystal Fe/Ni interfaces by using a multi-scale CZM-CPFEM approach. Materials Science and Engineering: A. 2024. 902
Ken Hee Ryou, Seoung Ho Lim, Kwang Hyeok Lim, Seungeui Hong, Gi Dong Sim, Shoichi Nambu, Pyuck Pa Choi. Fabrication of architecturally designed steel for improving isotropy of mechanical properties using directed energy deposition. Additive Manufacturing. 2024. 84
Shotaro Jimbo, Shoichi Nambu. Crystallographic Analysis on the Lower Bainite Formation at the Austenite Grain Boundary in Fe-0.6C-0.8Mn-1.8Si Steel in the Initial Stage of Transformation. ISIJ International. 2024. 64. 2. 338-344
Sien Liu, Shoichi Nambu. A multi-scale study on the effect of interfacial microstructure on interfacial strength and fracture behaviour in Fe/Ni bonded interfaces. Materials Science and Engineering: A. 2023. 884
J. Y. Lin, S. Nambu, T. Koseki. Effect of steel microstructure on the bonding of steel and nickel by ultrasonic welding. Materials Science and Technology 2018, MS and T 2018. 2019. 841-843
S. Jimbo, S. Nambu. Ferrite and bainite transformation from austenite grain boundary in 0.6 wt% C steel. MS and T 2019 - Materials Science and Technology 2019. 2019. 1422-1426
Shoichi Nambu. 10th international conference on trends in welding research & 9WS: Report. Yosetsu Gakkai Shi/Journal of the Japan Welding Society. 2017. 86. 3. 187-188