Kakehi Koji

カケヒコウジ | Kakehi Koji

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www.comp.tmu.ac.jp/superalloys/

Research field (1)： Structural and functional materials

Research keywords (3)： Additive Manufacturing , 耐熱合金の強度 , Mechanical Properties of Materials.

Research theme for competitive and other funds (18)：

2022 - 2025 Measures to cracking and oxygen contamination in the selective laser melting method of high-strength Ni-based superalloys
2019 - 2023 難燃性マグネシウム合金板を素材とした超軽量中空金属球発泡体の創成
2018 - 2021 TiAl合金を主とする次世代素材を使用した部品(ジェットエンジン部品など)の加工技術向上に関する研究開発
2016 - 2020 不純物元素に対しロバストな積層造形ニッケル基超合金の創成
2016 - 2019 Additive manufacturing of the high-strength nickel base superalloys using the metal 3D printer

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Papers (69)：

Santhosh Banoth, Thaviti Naidu Palleda, Takuma Saito, Hideyuki Murakami, Koji Kakehi. Creep anisotropy reduction and improvement via post-heat treatment in yttrium-added Hastelloy-X fabricated by laser powder bed fusion. The International Journal of Advanced Manufacturing Technology. 2023. 126. 3-4. 1593-1609
Jhuo-Lun Lee, Pei-Te Wang, Kai-Chi Lo, Pai-Keng Shen, Nien-Ti Tsou, Koji Kakehi, Hideyuki Murakami, Che-Wei Tsai, Stéphane Gorsse, An-Chou Yeh. Effect of serrated grain boundary on tensile and creep properties of a precipitation strengthened high entropy alloy. Science and Technology of Advanced Materials. 2023. 24. 1
Thaviti Naidu Palleda, Santhosh Banoth, Mikiko Tanaka, Hideyuki Murakami, Koji Kakehi. The role of yttrium micro-alloying on microstructure evolution and high-temperature mechanical properties of additively manufactured Inconel 718. Materials & Design. 2023. 225. 111567-111567
Koji Kakehi, Yen-Ling Kuo. Degradation of Creep Properties of Additive Manufactured Ni-based Superalloys. 2022. 27. 12. 52-63
Koji KAKEHI, Kazuhiro MIZUTA, Tatsuya FUJII, Kazuhiro GOKAN. Selective Laser Melting of TiAl. 2022. 50. 2. 98-29

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MISC (41)：

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Books (6)：

On the Effect of Rhenium on the Extent of Primary Creep in Advanced Ni-Based Superalloys
Materials for Advanced Power Engineering 2002 Part I 2002
On the Effect of Rhenium on the Extent of Primary Creep in Advanced Ni-Based Superalloys
Materials for Advanced Power Engineering 2002 Part I 2002
Influence of Secondary Precipitates on Strength of Single Crystals of Ni-Base Superalloys
Intermetallics and Superalloys Edited by D. G. Morris, S. Naka and P. Caron, WILEY-VCH 2000
Creep and Fatigue Strength of Single-Crystals of a Ni-Base Superalloy
Proc. of 7th JIM Inter. Synposium. 1993
Influence of Orientation an Heat Treatment on Creep Strength of Single Crystals of a Ni-Base Supevalloy
Proc. of 5th Inter. Conf. on Creep and Fractuve of Engineering Mater. and Structures. 1993

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Lectures and oral presentations (13)：

S0440101 Microstructure and Strength properties of IN 718 built up by Selective Laser Melting
(The Proceedings of Mechanical Engineering Congress, Japan 2015)
S0440105 Microstructure and Tensile properties of IN 718 built up by Selective Laser Melting
(The Proceedings of Mechanical Engineering Congress, Japan 2014)
Effect of Heat Treatment and Low-Melting-Point Element on Mechanical Properties of Inconel 718
(機械材料・材料加工技術講演会 M&P 2013)
713 Effect of Heat Treatment and Low-Melting-Point Element on Mechanical Properties of Inconel 718
(The Proceedings of the Materials and processing conference 2013)
Mechanical Properties of A5052 Foam through Bulk Foaming Process
(大会講演概要 2004)

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Works (2)：

単結晶Ni基超合金の異常な1次クリープに関する研究
2001 -
On the Effect of Rhenium on the Extent of Primary Creep in Advanced Ni-Based Superalloys
2001 -

Education (2)：

Professional career (2)：

Association Membership(s) (5)：

軽金属学会 , Japan Society of Powder and Powder Metallurgy , Gas Turbine Society of Japan , 日本鉄鋼協会 , 日本金属学会

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