Prohlížení dle autora "Umezawa, Osamu"
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{001}⟨101⟩ texture evolution by preferential dynamic grain growth in Ti–37 mol%Nb alloy under plane strain compression at high temperatures
Umezawa, Osamu; Hayakawa, Yujiro; Schindler, Ivo; Fukutomi, Hiroshi (Materials Transactions. 2024, vol. 65, issue 3, p. 282-291.) -
Crack initiation and propagation behavior in γ’-Fe4N layer during monotonic and cyclic tensile deformation in the nitrided ultra-low carbon steel
Koga, Norimitsu; Saito, Susumu; Umezawa, Osamu (Journal of Materials Science. 2022, vol. 57, issue 3, p. 2194-2207.) -
Crystal plasticity analysis of temperature-sensitive dwell fatigue in Ti-6Al-4V titanium alloy for an aero-engine fan disc
Yin, Liangwei; Umezawa, Osamu (International Journal of Fatigue. 2022, vol. 156, art. no. 106688.) -
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 (Metallurgical and Materials Transactions A. 2022, vol. 53, issue 4, p. 1150-1155.) -
Effects of crystallographic texture on subsurface fatigue crack generation in Ti-Fe-O alloy at low temperature
Umezawa, Osamu; Li, Weibo (ISIJ International. 2022, vol. 62, issue 3, p. 593-601.) -
Effects of dislocation arrangement and character on the work hardening of lath martensitic steels
Dannoshita, Hiroyuki; Hasegawa, Hiroshi; Higuchi, Sho; Matsuda, Hiroshi; Gong, Wu; Kawasaki, Takuro; Harjo, Stefanus; Umezawa, Osamu (Scripta Materialia. 2023, vol. 236, art. no. 115648.) -
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 (ISIJ International. 2022, vol. 62, issue 10, p. 2132-2134.) -
Electrochemical, biological, and technological properties of anodized titanium for color coded implants
Hlinka, Josef; Dostálová, Kamila; Čabanová, Kristina; Madeja, Roman; Frydrýšek, Karel; Koutecký, Jan; Rybková, Zuzana; Malachová, Kateřina; Umezawa, Osamu (Materials. 2023, vol. 16, issue 2, art. no. 632.) -
Equiaxed α microstructure evolution in wrought Ti-10Al-1Zr-1Mo-1Nb alloy during annealing
Tanii, Shintaro; Umezawa, Osamu; Yamabe-Mitarai, Yoko (Journal of Alloys and Compounds. 2021, vol. 854, art. no. 157184.) -
Fracture toughness and martensitic transformation in type 316LN austenitic stainless steel extra-thick plates at 4.2 K
Sakurai, Takeru; Umezawa, Osamu (Materials Science and Engineering: A. 2022, vol. 862, art. no. 144122.) -
Heterogeneous deformation in a commercially pure titanium sheet under dwell fatigue loading: Crystal plasticity modeling and experiment
Yin, Liangwei; Umezawa, Osamu (ISIJ International. 2021, vol. 61, issue 6, p. 1990-2001.) -
High-temperature hardness in hypereutectoid steels with various microstructures measured by using small ball rebound hardness test
Koga, Norimitsu; Koizumi, Kouki; Takayasu, Shuto; Umezawa, Osamu; Watanabe, Mizuki; Yamamoto, Masayuki; Yamamoto, Takashi (Materials Transactions. 2023, vol. 64, issue 7, p. 1600-1604.) -
Influence of dispersed β phase on local deformation pattern in mill-annealed Ti-Fe-O alloy under dwell fatigue loading
Yin, Liangwei; Umezawa, Osamu (International Journal of Fatigue. 2021, vol. 152, art. no. 106447.) -
Mechanism of texture and microstructure evolution during high temperature plane strain compression in AZ31B and AZ80 magnesium alloys with various initial textures
Fukutomi, Hiroshi; Park, Hyung-Gyun; Kim, Kwon-Hoo; Okayasu, Kazuto; Hasegawa, Makoto; Umezawa, Osamu (Journal of the Japan Institute of Metals and Materials. 2019, vol. 83, issue 8, p. 264-272.) -
Microstructural evolution in Ti-37 mol%Nb alloy under uniaxial compression at high temperatures
Hayakawa, Yujiro; Umezawa, Osamu (Journal of Alloys and Compounds. 2021, vol. 871, art. no. 159603.) -
Preferential dynamic grain growth mechanism enabling the control of microstructure and texture by high temperature deformation: Experimental evidence and applicability
Fukutomi, Hiroshi; Okayasu, Kazuto; Onuki, Yusuke; Hasegawa, Makoto; Kobayashi, Equo; Strnadel, Bohumír; Umezawa, Osamu (Materials Transactions. 2022, vol. 63, issue 2, p. 148-156.) -
Statistical analysis of influential factors on the stability of retained austenite in low alloy TRIP steel
Koga, Norimitsu; Yamashita, Takayuki; Ogawa, Keisuke; Umezawa, Osamu (Materials Transactions. 2022, vol. 63, issue 5, p. 693-702.) -
Tensile deformation of texture-controlled titanium with high oxygen content at room temperature
Morita, Motoaki; Suzuki, Shogo; Kato, Yaku; Li, Weibo; Umezawa, Osamu (Materials Science and Engineering: A. 2020, vol. 793, art. no. 139660.) -
Tribofilm properties and microcrack morphologies for a carburized SCM420 steel under high-pressure rolling sliding contact fatigue with lubricants containing high sulfur- and phosphorus-additives
Takayasu, Shuto; Umezawa, Osamu; Hashimoto, Kazuya (Wear. 2022, vol. 502, art. no. 204397.) -
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 (Materials Characterization. 2022, vol. 185.)