Temperature dependence on tensile properties of Cu-40mass%Fe dual phase alloy
Koga, N, Zhang, W, Umezawa, O, Tschan, V, Sas, J, Weiss, K P
Published in IOP conference series. Materials Science and Engineering (01.12.2017)
Published in IOP conference series. Materials Science and Engineering (01.12.2017)
Get full text
Journal Article
Effects of alloying elements on the Snoek-type relaxation in Ti–Nb–X–O alloys (X=Al, Sn, Cr, and Mn)
Lu, H., Li, C.X., Yin, F.X., Fang, Q.F., Umezawa, O.
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.04.2012)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.04.2012)
Get full text
Journal Article
Phosphorus-induced dislocation structure variation in the warm-rolled ultrafine-grained low-carbon steels
Yin, F., Hanamura, T., Umezawa, O., Nagai, K.
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.08.2003)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.08.2003)
Get full text
Journal Article
Three-dimensional distribution, morphology, and nucleation site of intragranular ferrite formed in association with inclusions
Yokomizo, T, Enomoto, M, Umezawa, O, Spanos, G, Rosenberg, R.O
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.03.2003)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15.03.2003)
Get full text
Journal Article
True Stress-True Strain Relations with Very Low Strain Rates at Room Temperature for an Austenitic 25Cr-19Ni Steel
Tsuchida, N., Baba, E., Umezawa, O., Nagai, K., Tomota, Y.
Published in ISIJ International (01.01.2004)
Published in ISIJ International (01.01.2004)
Get full text
Journal Article
Cyclic deformation, dislocation structure, and internal fatigue crack generation in a Ti-Fe-O alloy at liquid nitrogen temperature
YOKOYAMA, H, UMEZAWA, O, NAGAI, K, SUZUKI, T, KOKUBO, K
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.11.2000)
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.11.2000)
Get full text
Journal Article
Metastable alloy phase formation from undercooled steel and Ti Al melts
Tsukamoto, S., Umezawa, O.
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (28.02.1997)
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (28.02.1997)
Get full text
Journal Article
Conference Proceeding
Microstructural refinement of an As-cast Al-12.6 Wt Pct Si alloy by repeated thermomechanical treatment to produce a heavily deformable material
UMEZAWA, O, NAGAI, K
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.08.1999)
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01.08.1999)
Get full text
Journal Article
Internal crack initiation in high cycle fatigue at cryogenic temperatures
Get full text
Journal Article
Conference Proceeding