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Research Output 1985 2019

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2019

Effect of Fe addition on heat-resistant aluminum alloys produced by selective laser melting

Yamasaki, S., Okuhira, T., Mitsuhara, M., Nakashima, H., Kusui, J. & Adachi, M., Apr 2019, In : Metals. 9, 4, 648.

Research output: Contribution to journalArticle

Open Access
Superalloys
Aluminum alloys
Melting
Lasers
Temperature

Effect of lattice defects on tribological behavior for high friction coefficient under TCP added PAO lubrication in nanostructured steels

Tonotsuka, K., Todaka, Y., Adachi, N., Horii, M., Toda, K., Mitsuhara, M., Iwasaki, M., Shiihara, Y., Umeno, Y., Nishida, M. & Nakashima, H., Feb 1 2019, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 105, 2, p. 160-167 8 p.

Research output: Contribution to journalArticle

Tritolyl Phosphates
Crystal defects
Steel
Alkenes
lubrication

Solid solution hardening in supersaturated AlMgSi alloy

Takata, K., Ushioda, K., Kaneko, K., Akiyoshi, R., Ikeda, K. I., Hata, S. & Nakashima, H., Jan 1 2019, In : Materials Transactions. 60, 12, p. 2525-2529 5 p.

Research output: Contribution to journalArticle

hardening
Hardening
Solid solutions
solutes
solid solutions
2018
1 Citation (Scopus)

Development of high-chromium ferritic heat-resistant steels with high nitrogen content

Yamasaki, S., Mitsuhara, M. & Nakashima, H., Jan 1 2018, In : isij international. 58, 6, p. 1146-1154 9 p.

Research output: Contribution to journalArticle

Steel
Chromium
Nitrogen
Nitrides
Grain boundaries
2 Citations (Scopus)

Effects of scandium and zirconium addition on recrystallization behavior of AlMgSi alloy

Ikeda, K. I., Takashita, T., Akiyoshi, R., Hata, S., Nakashima, H., Yamada, K. & Kaneko, K., Jan 1 2018, In : Materials Transactions. 59, 4, p. 590-597 8 p.

Research output: Contribution to journalArticle

Scandium
scandium
Zirconium
Grain growth
Transmission electron microscopy
2 Citations (Scopus)

Infiltration behavior of molten Mg and its influence on microstructural evolution in SiC-doped MgB2 wires prepared by internal Mg diffusion process

Shimada, Y., Hata, S., Ikeda, K. I., Nakashima, H., Matsumoto, A., Togano, K. & Kumakura, H., Apr 5 2018, In : Journal of Alloys and Compounds. 740, p. 305-311 7 p.

Research output: Contribution to journalArticle

Microstructural evolution
Infiltration
Molten materials
Wire
Temperature

Solid solution hardening in supersaturated Al-Mg-Si alloy

Takata, K., Ushioda, K., Kaneko, K., Akiyoshi, R., Ikeda, K. I., Hata, S. & Nakashima, H., Jan 1 2018, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 82, 8, p. 314-318 5 p.

Research output: Contribution to journalArticle

hardening
Hardening
Solid solutions
solutes
solid solutions

過飽和Al-Mg-Si合金における固溶強化挙動

Translated title of the contribution: Solid Solution Hardening in Supersaturated Al-Mg-Si Alloy高田健, 潮田浩作, 金子賢治, 秋吉竜太郎, 池田賢一, 波多聰 & 中島英治, 2018, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 82, 8, p. 314-318 5 p.

Research output: Contribution to journalArticle

hardening
Hardening
Solid solutions
solutes
solid solutions
2017
1 Citation (Scopus)

Deformation microstructure and fracture behavior in creep-exposed Alloy 617

Yamasaki, S., Mitsuhara, M. & Nakashima, H., Jan 1 2017, In : Materials Transactions. 58, 3, p. 442-449 8 p.

Research output: Contribution to journalArticle

creep tests
work hardening
ductility
Creep
microstructure
Steel
Chromium
chromium
Nitrogen
steels

Effect of Bi or Sb addition on high temperature deformation behavior in Sn-Cu-Ni solder alloys

Takano, M., Kuroda, K., Hase, K., Tanaka, S., Yamasaki, S., Mitsuhara, M. & Nakashima, H., Sep 25 2017, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 81, 11, p. 502-509 8 p.

Research output: Contribution to journalArticle

solders
Soldering alloys
Creep
Temperature
tensile creep
1 Citation (Scopus)

Effect of Cu and Ni addition on high temperature deformation behavior in Sn-Cu-Ni solder alloys

Takano, M., Kuroda, K., Hase, K., Tanaka, S., Yamasaki, S., Mitsuhara, M. & Nakashima, H., Jan 1 2017, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 81, 7, p. 337-344 8 p.

Research output: Contribution to journalArticle

solders
Soldering alloys
Temperature
Creep
Tin
3 Citations (Scopus)
Electron diffraction
Creep
Grain boundaries
Superalloys
Steel
3 Citations (Scopus)
creep properties
Laves phases
Intermetallics
intermetallics
Creep
2016
17 Citations (Scopus)

Creep strengthening by lath boundaries in 9Cr ferritic heat-resistant steel

Mitsuhara, M., Yamasaki, S., Miake, M., Nakashima, H., Nishida, M., Kusumoto, J. & Kanaya, A., Feb 1 2016, In : Philosophical Magazine Letters. 96, 2, p. 76-83 8 p.

Research output: Contribution to journalArticle

steels
heat
tensile tests
martensite
grade
4 Citations (Scopus)

Effect of aging treatment on hydrogen embrittlement of drawn pearlitic steel wire

Hirakami, D., Manabe, T., Ushioda, K., Noguchi, K., Takai, K., Hata, Y., Hata, S. & Nakashima, H., Jan 1 2016, In : isij international. 56, 5, p. 893-898 6 p.

Research output: Contribution to journalArticle

Hydrogen embrittlement
Steel
Aging of materials
Wire
Thermal desorption
10 Citations (Scopus)
Bainite
Low carbon steel
Martensite
Austenite
Quenching

Effects of scandium and zirconium addition on recrystallization behavior of Al-Mg-Si alloy

Ikeda, K. I., Takashita, T., Akiyoshi, R., Hata, S., Nakashima, H., Yamada, K. & Kaneko, K., Jan 1 2016, In : Keikinzoku/Journal of Japan Institute of Light Metals. 66, 11, p. 609-616 8 p.

Research output: Contribution to journalArticle

Scandium
Zirconium
Grain growth
Energy dispersive spectroscopy
Hot rolling
17 Citations (Scopus)

In-situ EBSD study of deformation behavior of retained austenite in a low-carbon quenching and partitioning steel via uniaxial tensile tests

Li, W. S., Gao, H. Y., Nakashima, H., Hata, S. & Tian, W. H., Aug 1 2016, In : Materials Characterization. 118, p. 431-437 7 p.

Research output: Contribution to journalArticle

Steel
tensile tests
austenite
Austenite
Quenching
32 Citations (Scopus)
low carbon steels
Low carbon steel
austenite
Austenite
Quenching
7 Citations (Scopus)

Microstructural connectivity in sintered ex-situ MgB2 bulk superconductors

Shimada, Y., Hata, S., Ikeda, K. I., Nakashima, H., Matsumura, S., Tanaka, H., Yamamoto, A., Shimoyama, J. I. & Kishio, K., Jan 25 2016, In : Journal of Alloys and Compounds. 656, p. 172-180 9 p.

Research output: Contribution to journalArticle

Superconducting materials
Sintering
Crystals
Temperature
6 Citations (Scopus)
Steel
Microstructural evolution
Austenite
Quenching
mechanical property
1 Citation (Scopus)
strain rate
creep
Strain rate
Copper
Creep
1 Citation (Scopus)
Punching
Correlation methods
Steel
Electron diffraction
steels
6 Citations (Scopus)
Punching
Correlation methods
Steel
Electron diffraction
Microstructure
2015
13 Citations (Scopus)
Electron microscopes
Visualization
electron microscopes
image contrast
Scanning
27 Citations (Scopus)

Analysis of kink boundaries in deformed synchronized long-period stacking ordered magnesium alloys

Gao, H., Ikeda, K. I., Morikawa, T., Higashida, K. & Nakashima, H., May 1 2015, In : Materials Letters. 146, p. 30-33 4 p.

Research output: Contribution to journalArticle

Yttrium alloys
Zinc alloys
yttrium alloys
magnesium alloys
Magnesium alloys
3 Citations (Scopus)
Iron alloys
Steel
Transmission electron microscopy
Polishing
Microstructure
4 Citations (Scopus)

Effect of aging treatment on hydrogen embrittlement of drawn pearlitic steel wire

Hirakami, D., Manabe, T., Ushioda, K., Noguchi, K., Takai, K., Hata, Y., Hata, S. & Nakashima, H., Jan 1 2015, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 101, 1, p. 59-64 6 p.

Research output: Contribution to journalArticle

hydrogen embrittlement
Hydrogen embrittlement
Steel
Aging of materials
steels
1 Citation (Scopus)

Influence of aging products on tensile deformation behavior of Al-0.62 mass%Mg-0.32 mass%Si alloy

Akiyoshi, R., Ikeda, K. I., Hata, S., Nakashima, H., Kasama, T., Takata, K., Takahashi, J., Ushioda, K. & Kaneko, K., May 2015, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 79, 5, p. 273-279 7 p.

Research output: Contribution to journalArticle

tensile deformation
Aging of materials
products
Precipitates
precipitates
6 Citations (Scopus)

Microstructural change due to isochronal annealing in severely plastic-deformed commercial purity aluminium

Miyajima, Y., Komatsu, S. Y., Mitsuhara, M., Hata, S., Nakashima, H. & Tsuji, N., Apr 13 2015, In : Philosophical Magazine. 95, 11, p. 1139-1149 11 p.

Research output: Contribution to journalArticle

purity
plastics
aluminum
annealing
grain boundaries
6 Citations (Scopus)

Microstructural characteristics of ball-milled self-sintered ex situ MgB2 bulks

Shimada, Y., Hata, S., Ikeda, K. I., Nakashima, H., Matsumura, S., Tanaka, H., Yamamoto, A., Shimoyama, J. I. & Kishio, K., Jun 1 2015, In : IEEE Transactions on Applied Superconductivity. 25, 3, 6983557.

Research output: Contribution to journalArticle

balls
microstructure
Microstructure
Ball milling
pressing
2 Citations (Scopus)

Microstructural studies of the effect of heat-treatment on Bi,Pb-2223 films prepared by RF sputtering

Shimada, Y., Kajihara, T., Hata, S., Ikeda, K. I., Nakashima, H., Matsumoto, A., Kitaguchi, H. & Doi, T., Jun 1 2015, In : IEEE Transactions on Applied Superconductivity. 25, 3, 6990598.

Research output: Contribution to journalArticle

Sputtering
heat treatment
sputtering
Heat treatment
Coarsening
2014
3 Citations (Scopus)

Ab-initio study of long-period superstructures and anti-phase boundaries in Al-rich γ-TiAl (L10)-based alloys

Ghosh, P. S., Arya, A., Kulkarni, U. D., Dey, G. K., Hata, S., Nakano, T., Hagihara, K. & Nakashima, H., Apr 13 2014, In : Philosophical Magazine. 94, 11, p. 1202-1218 17 p.

Research output: Contribution to journalArticle

antiphase boundaries
structural stability
energy of formation
subgroups
cells

Effect of thermo-mechanical treatment on ridging behavior and cube-oriented grain formation process in 6111 aluminum alloy

Ikeda, K. I., Miyata, Y., Yoshihara, T., Takata, N. & Nakashima, H., Jan 1 2014, In : Keikinzoku/Journal of Japan Institute of Light Metals. 64, 8, p. 353-360 8 p.

Research output: Contribution to journalArticle

Thermomechanical treatment
Aluminum alloys
Scanning electron microscopy
Hot rolling
Strengthening (metal)
1 Citation (Scopus)
creep tests
Steel
Chromium
chromium
Creep
6 Citations (Scopus)

Low-stress creep deformation in long-term aged ferritic heat-resistant steel

Yamasaki, S., Mitsuhara, M., Ikeda, K. I., Hata, S. & Nakashima, H., 2014, In : Materials Transactions. 55, 5, p. 842-849 8 p.

Research output: Contribution to journalArticle

Steel
Creep
steels
heat
strain rate
2013
strain measurement
Strain measurement
strain rate
creep
Strain rate
5 Citations (Scopus)

Development of high-grade VPS-tungsten coatings on F82H reduced activation steel

Tokunaga, T., Watanabe, H., Yoshida, N., Nagasaka, T., Kasada, R., Lee, Y. J., Kimura, A., Tokitani, M., Mitsuhara, M., Hinoki, T., Nakashima, H., Masuzaki, S., Takabatake, T., Kuroki, N., Ezato, K., Suzuki, S. & Akiba, M., Jan 1 2013, In : Journal of Nuclear Materials. 442, 1-3 SUPPL.1, p. S287-S291

Research output: Contribution to journalArticle

Tungsten
Steel
grade
tungsten
Chemical activation
3 Citations (Scopus)

Imperfection of microstructural control in MgB2 superconducting tapes fabricated using an in-situ powder-in-tube process: Toward practical applications

Hata, S., Sosiati, H., Shimada, Y., Matsumoto, A., Ikeda, K., Nakashima, H., Kitaguchi, H. & Kumakura, H., Jan 1 2013, In : Journal of Materials Science. 48, 1, p. 132-139 8 p.

Research output: Contribution to journalArticle

Superconducting tapes
Powders
Tapes
Defects
Critical currents
1 Citation (Scopus)

Influences of microstructure on critical current properties in MgB 2/Al Film

Shimada, Y., Kubota, Y., Hata, S., Ikeda, K. I., Nakashima, H., Doi, T. & Fujiyoshi, T., May 22 2013, In : IEEE Transactions on Applied Superconductivity. 23, 3, 6403883.

Research output: Contribution to journalArticle

Critical currents
Boron
critical current
microstructure
Microstructure
1 Citation (Scopus)
Strain measurement
Strain rate
Creep
Metals
Recovery
1 Citation (Scopus)

Long-period ordered superstructures that appear in an (Al,Ga)-rich (Al,Ga)Ti system

Nakano, T., Hagihara, K., Hata, S., Shigyo, H., Nakashima, H., Umakoshi, Y., Arya, A. & Kulkarni, U. D., Jan 1 2013, In : Philosophical Magazine. 93, 1-3, p. 22-37 16 p.

Research output: Contribution to journalArticle

periodic variations
ribbons
fats
low concentrations
heat treatment
2 Citations (Scopus)

Manufacture of vacuum plasma spraying tungsten with homogenous texture on reduced activation ferritic steel at about 873K

Tokunaga, T., Watanabe, H., Yoshida, N., Nagasaka, T., Kasada, R., Kimura, A., Tokitani, M., Mitsuhara, M., Nakashima, H., Masuzaki, S., Takabatake, T., Kuroki, N., Ezato, K., Suzuki, S. & Akiba, M., Jan 1 2013, In : Plasma and Fusion Research. 8, 1405111.

Research output: Contribution to journalArticle

plasma spraying
tungsten
textures
steels
activation
11 Citations (Scopus)

Microstructures of long-period stacking ordered phase of Mg-Zn-Y alloy

Gao, H., Ikeda, K. I., Morikawa, T., Higashida, K. & Nakashima, H., May 20 2013, In : Materials Transactions. 54, 5, p. 632-635 4 p.

Research output: Contribution to journalArticle

Stacking faults
kink bands
crystal defects
Dislocations (crystals)
microstructure
3 Citations (Scopus)

Nanostructure characterization of Ni and B layers as artificial pinning centers in multilayered MgB2/Ni and MgB2/B superconducting thin films

Sosiati, H., Hata, S., Doi, T., Matsumoto, A., Kitaguchi, H. & Nakashima, H., May 15 2013, In : Physica C: Superconductivity and its applications. 488, p. 1-8 8 p.

Research output: Contribution to journalArticle

Superconducting films
Multilayer films
Nanostructures
thin films
Flux pinning
11 Citations (Scopus)

Phase transformation behavior and pseudoelastic deformation in SrAl 2O4

Matsuo, H., Ikeda, K., Hata, S., Nakashima, H., Yamada, H. & Xu, C. N., Nov 15 2013, In : Journal of Alloys and Compounds. 577, SUPPL. 1

Research output: Contribution to journalArticle

Triboluminescence
Phase transitions
Microstructure
Europium
Transmission electron microscopy
2012
creep rupture strength
Steel
toughness
Toughness
Creep
2011
8 Citations (Scopus)

Creep Mechanisms in a Fine-Grained Al-5356 Alloy at Low Stress and High Temperature

Shen, J. J., Ikeda, K., Hata, S. & Nakashima, H., Nov 11 2011, In : Materials Transactions. 52, 10, p. 1890-1898 9 p.

Research output: Contribution to journalArticle

Creep
grain boundaries
Temperature
Dislocations (crystals)
temperature