Influence of layer thickness on tensile deformation and fracture in the ferrite + martensite fine multi-layered steel sheets
Koga, Norimitsu, Suzuki, Masayuki, Umezawa, Osamu
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (04.03.2021)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (04.03.2021)
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Journal Article
Local cementite cracking induced by heterogeneous plastic deformation in lamellar pearlite
Teshima, Toshihiko, Kosaka, Makoto, Ushioda, Kohsaku, Koga, Norimitsu, Nakada, Nobuo
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (02.01.2017)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (02.01.2017)
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Journal Article
Deformation behavior of heterogeneous nanostructured austenitic stainless steel at cryogenic temperature
Jiang, Hua, Watanabe, Tatsuki, Watanabe, Chihiro, Koga, Norimitsu, Miura, Hiromi
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (18.04.2022)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (18.04.2022)
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Journal Article
Influential factors on the deformability of colonies in pearlitic steel
Yajima, Yuto, Koga, Norimitsu, Watanabe, Chihiro
Published in Materials characterization (01.07.2021)
Published in Materials characterization (01.07.2021)
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Journal Article
Deformation Structure Around a Crack in γ′-Fe4N Layer of Nitrided Extra-Low-Carbon Steel Subjected to Cyclic Tensile Test
Koga, Norimitsu, Tanahara, Kento, Umezawa, Osamu
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.04.2022)
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.04.2022)
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Journal Article
Characterization of heterogeneous–nano structure in austenitic stainless steel: crystal orientations and hardness distribution
Koga, Norimitsu, Suzuki, Shinya, Jiang, Hua, Watanabe, Chihiro, Aoyagi, Yoshiteru, Kobayashi, Masakazu, Miura, Hiromi
Published in Journal of materials science (01.08.2020)
Published in Journal of materials science (01.08.2020)
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Journal Article
Effects of Vanadium Addition on Strain Distribution, Crack Initiation and Propagation during Low-cycle Fatigue Test in Ferrite and Martensite Dual-phase Steel
Koga, Norimitsu, Kaseya, Akihiro, Umezawa, Osamu, Nakata, Hiroshi, Toyoda, Shunsuke
Published in ISIJ International (15.10.2022)
Published in ISIJ International (15.10.2022)
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Journal Article
Role of ferrite and austenite phases on the deformation behavior and mechanical properties in heterogeneous nanostructured duplex stainless steel aged at different temperatures
Koga, Norimitsu, Suzuki, Shinya, Jiang, Hua, Watanabe, Tatsuki, Watanabe, Chihiro, Miyajima, Yoji, Miura, Hiromi
Published in Journal of materials science (01.03.2022)
Published in Journal of materials science (01.03.2022)
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Journal Article
Effects of cross-slip activity on low-cycle fatigue behavior and dislocation structure in pure aluminum single crystals with single-slip orientation
Watanabe, Chihiro, Yamazaki, Shunsuke, Koga, Norimitsu
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20.05.2021)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20.05.2021)
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Journal Article
Visualization of strain distribution around fatigue crack developed by low cycle fatigue test in high-strength steels using digital image correlation method for replica films
Koga, Norimitsu, Sakamaki, Yuta, Kaseya, Akihiro, Umezawa, Osamu, Nakata, Hiroshi, Toyoda, Shunsuke
Published in Materials characterization (01.03.2022)
Published in Materials characterization (01.03.2022)
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Journal Article
Effect of Aging on Low-temperature Tensile Properties of Ultra-low Carbon Steel
Koga, Norimitsu, Kanehira, Yuki, Huyen, Pham Thi Thanh, Hori, Kazuya, Umezawa, Osamu
Published in ISIJ International (15.08.2021)
Published in ISIJ International (15.08.2021)
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Journal Article
Effects of strain rate on mechanical properties of heterogeneous nano-structured SUS316LN stainless steel: Revealed by in-situ X-Ray diffraction at synchrotron radiation facility
Jiang, Hua, Watanabe, Chihiro, Miyajima, Yoji, Koga, Norimitsu, Aoyagi, Yoshiteru, Kobayashi, Masakazu, Miura, Hiromi
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20.05.2021)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20.05.2021)
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Journal Article
Effect of Solute Carbon on the Characteristic Hardening of Steel at High Temperature
Koga, Norimitsu, Umezawa, Osamu, Yamamoto, Masayuki, Yamamoto, Takashi, Yamashita, Takayuki, Morooka, Satoshi, Kawasaki, Takuro, Harjo, Stefanus
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.03.2021)
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.03.2021)
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Journal Article