研究成果 Research Achievements

2024年11月13日 日刊工業新聞朝刊

高密度でクロム造形
日刊工業新聞 2024年11月13日 朝刊 25面

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Effects of heat accumulation strategies on defects and microstructure of pure chromium fabricated by laser powder bed fusion: An experimental and numerical study

Sung-Hyun Park, Ozkan Gokcekaya*, Tatsuya Nitomakida, Takayoshi Nakano*:
Effects of heat accumulation strategies on defects and microstructure of pure chromium fabricated by laser powder bed fusion: An experimental and numerical study,
Journal of Materials Research and Technology, (2024): 1-12.
https://doi.org/10.1016/j.jmrt.2024.11.049

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最新の金属積層造形法(AM技術)と今後のモノづくり

中野貴由:最新の金属積層造形法(AM技術)と今後のモノづくり,
13:15~14:15, PIO PARK, 2024年10月11日

研究・開発特別講演

Quantitative revealing the solute segregation behavior at melt pool boundary in additively manufactured stainless steel using a novel processing method for precise positioning by HAADF-STEM

Fei Sun*, Yoshitaka Adachi, Kazuhisa Sato, Takuya Ishimoto, Takayoshi Nakano, Yuichiro Koizumi:
Quantitative revealing the solute segregation behavior at melt pool boundary in additively manufactured stainless steel using a novel processing method for precise positioning by HAADF-STEM,
Materials Characterization, Materials Characterization, 217, (2024), 114435: 1-6.
https://doi.org/10.1016/j.matchar.2024.114435

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Laser energy-dependent processability of non-equiatomic TiNbMoTaW high-entropy alloy through in-situ alloying of elemental feedstock powders by laser powder bed fusion

Yong Seong Kim, Ozkan Gokcekaya, Aira Matsugaki, Ryosuke Ozasa, Takayoshi Nakano*: Laser energy-dependent processability of non-equiatomic TiNbMoTaW high-entropy alloy through in-situ alloying of elemental feedstock powders by laser powder bed fusion, Materialia, 38, (2024), 102241: 1-10.
https://doi.org/10.1016/j.mtla.2024.102241

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骨配向性に基づく新規腰椎椎体間スペーサーの動作原理

中野貴由:骨配向性に基づく新規腰椎椎体間スペーサーの動作原理、
座長:今釜史郎名古屋大学整形外科教授
開催日時: 2024年9月20日(金) 13:30~14:30(前半)、
グランドメルキュール札幌大通公園(旧ロイトン札幌)
第4会場(2Fハイネスホール)

招待講演

日本金属学会2024年秋期講演(第175回)大会

2024年9月18日~20日

大阪大学豊中キャンパス

受賞講演 1件

基調講演 3件

一般講演 21件

ポスター発表 1件

第21回村上記念賞

中野貴由:
骨質金属材料学の構築と金属積層造形法による骨配向化誘導デバイスの臨床応用、
第21回村上記念賞、(公社)日本金属学会、2024年9月18日

The effect of energy density on microstructural, mechanical, and corrosion characteristics of Ti6Al-4V alloy fabricated via selective laser melting (SLM) and electron beam melting (EBM) techniques

H. Yilmazer, Y. A. Sadikoglu, S. Kucuk, O. Gokcekaya, I. C. Turu, T. Nakano, B. Dikici*:
The effect of energy density on microstructural, mechanical, and corrosion characteristics of Ti6Al-4V alloy fabricated via selective laser melting (SLM) and electron beam melting (EBM) techniques,
Journal of Materials Engineering and Performance, (2024), in press.

2024年9月13日 日刊工業新聞朝刊

ニッケル基合金 高強度化
日刊工業新聞 2024年9月13日 朝刊

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2024年9月12日 日刊工業新聞朝刊

阪大、3D造形で新組織
日刊工業新聞 2024年9月12日 朝刊

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Control of crystallographic textures by metal additive manufacturing

Takayoshi Nakano: Control of crystallographic textures by metal additive manufacturing [Keynote presentation], 44th Risø International Symposium on Materials Science, Metal Microstructures and Additive Manufacturing
9:00-9:50, 5th, September, Department of Civil and Mechanical Engineering, Technical University of Denmark

Laser additive manufacturing of a carbon-supersaturated β-Ti alloy for biomaterial application

Mingqi Dong, Yu Zhang, Weiwei Zhou*, Peng Chen, Zhenxing Zhou, Hiroyasu Kanetaka, Takuya Ishimoto, Yuichiro Koizumi, Takayoshi Nakano, Naoyuki Nomura*:
Laser additive manufacturing of a carbon-supersaturated β-Ti alloy for biomaterial application,
Additive manufacturing Letters, 11, (2024), 100233: 1-7.
https://doi.org/10.1016/j.addlet.2024.100233

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Novel strengthening mechanism of laser powder bed fusion manufactured Inconel 718: Effects of customized hierarchical interfaces

Tsuyoshi Mayama*, Takuya Ishimoto, Masakazu Tane , Ken Cho, Koki Manabe, Daisuke Miyashita, Shota Higashino, Taichi Kikukawa, Hiroyuki Y. Yasuda, Takayoshi Nakano:
Novel strengthening mechanism of laser powder bed fusion manufactured Inconel 718: Effects of customized hierarchical interfaces,
Additive Manufacturing, (2024), 104412: 1-16.
https://doi.org/10.1016/j.addma.2024.104412

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Creep Behavior of Ti-6Al-4Nb-4Zr Fabricated by Powder Bed Fusion Using a Laser Beam

Yoko Yamabe-Mitarai, Takashi Inoue, Tomoki Kuroda, Sae Matsunaga, Yoshiaki Toda, Tetsuya Matsunaga, Tsutomu Ito, Ryosuke Ozasa, Takuya Ishimoto, Takayoshi Nakano:
Creep Behavior of Ti-6Al-4Nb-4Zr Fabricated by Powder Bed Fusion Using a Laser Beam,
Materials Transactions, (2024), 202406, 163-170.
10.2320/jinstmet.JA202406

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Fabrication and Process Monitoring of 316L Stainless Steel by Laser Powder Bed Fusion with µ-Helix Scanning Strategy and Narrow Scanning Line Intervals

Yuheng Liu, Kazufumi Nose, Masayuki Okugawa, Yuichiro Koizumi, Takayoshi Nakano:
Fabrication and Process Monitoring of 316L Stainless Steel by Laser Powder Bed Fusion with µ-Helix Scanning Strategy and Narrow Scanning Line Intervals,
Materials Transactions, (2024), 202402, 190-197.
10.2320/jinstmet.JA202402

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Effect of scan speed on microstructure and tensile properties of Ti-48Al-2Cr-2Nb alloys fabricated via additive manufacturing, Materials Transactions

Ken Cho, Masahiro Sakata, Hiroyuki Yasuda*, Mitsuharu Todai, Minoru Ueda, Masao Takeyama, Takayoshi Nakano: Effect of scan speed on microstructure and tensile properties of Ti-48Al-2Cr-2Nb alloys fabricated via additive manufacturing, Materials Transactions, (2024), 202405,198-204.
10.2320/jinstmet.JA202405

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Investigating the relationship between laser scan strategy and corrosion performance of laser beam powder bed fusioned Ti6Al4V alloy

Tohid Rajabi, Hamidreza Ghorbani, Masoud Atapour, Ozkan Gokcekaya, Takayoshi Nakano:
Investigating the relationship between laser scan strategy and corrosion performance of laser beam powder bed fusioned Ti6Al4V alloy,
Progress in Additive Manufacturing, (2024), 00765, 1-15.
https://doi.org/10.1007/s40964-024-00765-z

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Control of crystallographic textures by metal additive manufacturing-A review

Takayoshi Nakano:
Control of crystallographic textures by metal additive manufacturing-A review,
IOP Conf. Ser.: Mater. Sci. Eng., 1310, (2024), 012013: 1-14.
10.1088/1757-899X/1310/1/012013

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