Personal information

Other IDs

Scopus Author ID: 53164574900

Keywords

構造材料, 状態図, 耐熱合金, TiAl合金

Countries

Japan

Activities

Collapse all

Employment (1)

Tokyo Institute of Technology: Meguro, Tokyo, JP

Employment
Source: Self-asserted source
Hirotoyo Nakashima

Works (20)

Experimental phase diagram study of the TiAl-rich part of the Ti–Al–Ni ternary system

Calphad
2023-03 | Journal article
DOI: 10.1016/j.calphad.2022.102521
Contributors: Hirotoyo Nakashima; Jianhui Yu; Masao Takeyama
Source: check_circle
Crossref

金属射出成形法（MIM）を利用するTiAl合金粉末の焼結挙動に及ぼすNi粉添加の影響

熱処理
2023-03-23 | Journal article
DOI: 10.14940/netsushori.63.21
Part of ISSN: 02880490
Part of ISSN: 21884064
Contributors: 健太郎 新藤; 明 福島; 忠之 花田; 和樹 花見; 研児 土井; 広豊 中島; 雅夫 竹山
Source: Self-asserted source
Hirotoyo Nakashima

Grain Boundary Precipitation Control of GCP Phase Using TCP or A2 Phase in Ni-Based Alloys

Metals
2022-10-26 | Journal article
DOI: 10.3390/met12111817
Contributors: Shuntaro Ida; Ryosuke Yamagata; Hirotoyo Nakashima; Satoru Kobayashi; Masao Takeyama
Source: check_circle
Crossref

Effects of oxygen addition on the microstructure, phase transformations, and oxidation resistance of TiAl alloys

Journal of Alloys and Compounds
2022-10-15 | Journal article
DOI: 10.1016/j.jallcom.2022.165716
Part of ISSN: 0925-8388
Source: Self-asserted source
Hirotoyo Nakashima

Quantitative analysis of oxygen in solution in the Ti-Al-O ternary alloys by soft X-ray emission spectroscopy

Journal of Alloys and Compounds
2022-06-10 | Journal article
DOI: 10.1016/j.jallcom.2022.165822
Part of ISSN: 0925-8388
Source: Self-asserted source
Hirotoyo Nakashima

Effect of interstitial carbon and oxygen in solution on the phase equilibria among β/α<sub>2</sub>/γ phases in TiAl alloys

MRS Advances
2021 | Journal article
DOI: 10.1557/s43580-021-00050-z
EID:

2-s2.0-85104530260

Part of ISSN: 20598521
Contributors: Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Effect of microstructure factor on room-temperature fracture toughness of β-Ti containing γ-TiAl-based alloys

MRS Advances
2021 | Journal article
DOI: 10.1557/s43580-021-00062-9
EID:

2-s2.0-85105182268

Part of ISSN: 20598521
Contributors: Yamagata, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Effects of the addition of transition metals on phase equilibria and phase transformations in TiAl systems in between 1473 and 1073 K

Journal of Alloys and Compounds
2021 | Journal article
DOI: 10.1016/j.jallcom.2021.160392
EID:

2-s2.0-85107022189

Part of ISSN: 09258388
Contributors: Shaaban, A.; Signori, L.J.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Experimental and calculation approach for phase equilibria among γ/TCP/GCP oP6 phases at elevated temperatures

MRS Advances
2021 | Journal article
DOI: 10.1557/s43580-021-00023-2
EID:

2-s2.0-85105157094

Part of ISSN: 20598521
Contributors: Nagashima, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Improving the tensile properties of additively manufactured β-containing tial alloys via microstructure control focusing on cellular precipitation reaction

Crystals
2021 | Journal article
DOI: 10.3390/cryst11070809
EID:

2-s2.0-85111064102

Part of ISSN: 20734352
Contributors: Cho, K.; Odo, H.; Okamoto, K.; Yasuda, H.Y.; Nakashima, H.; Takeyama, M.; Nakano, T.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Nano-indentation modulus and hardness of β-Ti and γ-TiAl phases in Ti–Al–Cr system

MRS Advances
2021 | Journal article
DOI: 10.1557/s43580-021-00046-9
EID:

2-s2.0-85103593300

Part of ISSN: 20598521
Contributors: Okada, Y.; Taniguchi, S.; Yamagata, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Peculiar microstructural evolution and tensile properties of β-containing γ-TiAl alloys fabricated by electron beam melting

Additive Manufacturing
2021 | Journal article
DOI: 10.1016/j.addma.2021.102091
EID:

2-s2.0-85107741933

Part of ISSN: 22148604
Contributors: Cho, K.; Kawabata, H.; Hayashi, T.; Yasuda, H.Y.; Nakashima, H.; Takeyama, M.; Nakano, T.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Phase Equilibria Among A1/TCP/GCP Phases and Microstructure Formation in Ni–Cr–Mo System at Elevated Temperatures

Minerals, Metals and Materials Series
2020 | Book
DOI: 10.1007/978-3-030-51834-9_13
EID:

2-s2.0-85091288578

Part of ISSN: 23671696 23671181
Contributors: Nagashima, R.; Yamagata, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Design Approaches and Achievements of Novel Wrought TiAl Alloys for Jet Engine Applications

MRS Advances
2019 | Conference paper
DOI: 10.1557/adv.2019.113
EID:

2-s2.0-85065730193

Part of ISSN: 20598521
Contributors: Wakabayashi, H.; Signori, L.J.; Shaaban, A.; Yamagata, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Microstructure Design for Enhancement of Room-temperature Ductility in Multi-component TiAl Alloys

MRS Advances
2019 | Conference paper
DOI: 10.1557/adv.2019.230
EID:

2-s2.0-85065712263

Part of ISSN: 20598521
Contributors: Yamagata, R.; Okada, Y.; Wakabayashi, H.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Phase Equilibria among β/α/α<sub>2</sub>/γ Phases and Phase Transformations in Ti-Al-Cr System at Elevated Temperatures

MRS Advances
2019 | Conference paper
DOI: 10.1557/adv.2019.111
EID:

2-s2.0-85065707371

Part of ISSN: 20598521
Contributors: Shaaban, A.; Wakabayashi, H.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Phase Equilibria Among γ/TCP/GCP Phases in Nb-Poor Region of Ni-Nb-Co Ternary System at Elevated Temperatures

Journal of Phase Equilibria and Diffusion
2019 | Journal article
DOI: 10.1007/s11669-019-00744-w
EID:

2-s2.0-85069444991

Part of ISSN: 18637345 15477037
Contributors: Ida, S.; Yamagata, R.; Nakashima, H.; Kobayashi, S.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Fatigue crack growth behavior of wrought γ-based TiAl alloy containing β-phase

Intermetallics
2018 | Journal article
DOI: 10.1016/j.intermet.2018.04.024
EID:

2-s2.0-85048400299

Part of ISSN: 09669795
Contributors: Signori, L.J.; Nakamura, T.; Okada, Y.; Yamagata, R.; Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Phase stability of β-Ti Phase in the TiAl alloys with the combined addition of M elements

Materials Research Society Symposium Proceedings
2015 | Conference paper
DOI: 10.1557/opl.2015.187
EID:

2-s2.0-84938941599

Part of ISSN: 02729172
Contributors: Nakashima, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier

Phase equilibria and phase transformations in molybdenum-containing TiAl alloys

Materials Research Society Symposium Proceedings
2011 | Conference paper
DOI: 10.1557/opl.2011.31
EID:

2-s2.0-80053208210

Part of ISSN: 02729172
Contributors: Mayer, S.; Sailer, C.; Nakashima, H.; Schmoelzer, T.; Lippmann, T.; Staron, P.; Liss, K.-D.; Clemens, H.; Takeyama, M.
Source: Self-asserted source
Hirotoyo Nakashima via Scopus - Elsevier
How many people are using ORCID?