一般講演

[G] Solid process/Solid and welding process

Wed. Mar 17, 2021 1:00 PM - 3:55 PM Rm. H (ZoomRm.H)

Chair:Tomoya NAGIRA(NIMS)

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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1:00 PM - 1:30 PM

[61] [功績賞受賞講演]Elucidation of solidification/welding defects & microstructural evolution mechanisms using in situ observation of solidification/deformation behaviors

*Tomoya NAGIRA¹ (1. NIMS)

1:30 PM - 1:45 PM

[62] TEM Observations and Cutting Tests of Ti(C, N)-X (X=W, Mo) Cermets

*Takashi MURAKAMI¹, Atsushi KORENAGA¹, Tsuguyori OHANA¹ (1. AIST)

1:45 PM - 2:00 PM

[63] Analysis of reduction mechanism of nickel oxide using microwave furnace

*Yoshitomo Watanabe¹, Shunsuke Kashiwakura¹, Shoki Kosai¹, Eiji Yamasue¹ (1. Ritsumeikan Univ)

break （2:00 PM - 2:20 PM）

2:20 PM - 2:35 PM

[64] Elucidation of interface joining mechanism for pressure-control joule-heat forge welding of high carbon steel

*Huihong LIU¹, Tetsuya MIYAGAKI¹, Masayoshi KAMAI¹, Yunwu MA¹, Ninshu MA¹, Hidetoshi FUJII¹ (1. JWRI, Osaka Univ.)

2:35 PM - 2:50 PM

[65] Dissimilar solid-state bonding of CP-Ti to 304 stainless steel with small deformation by Joule heating

*Kiyoaki SUZUKI¹, Yutaka SATO², Shun Tokita² (1. Tohoku Univ., 2. Tohoku Univ.)

2:50 PM - 3:05 PM

[66] Investigation of WC-tool-component solution mechanism arose in a steel surface layer during friction stir processing

*Hajime Yamamoto¹, Yudai Imagawa², Kazuhiro Ito¹ (1. JWRI, Osaka Univ., 2. JWRI, Osaka Univ.)

break （3:05 PM - 3:25 PM）

3:25 PM - 3:40 PM

[67] Effect of bonding time om Transient Liquid Phase Bonded Ti-6Al-4V similar joint with Cu-Ni multi interlayers

*Ryotaro Nishi^1,2, Fei　Shen Ong^1,2, Hirobumi Tobe², Eiichi Sato² (1. University of Tokyo, 2. ISAS/JAXA)

3:40 PM - 3:55 PM

[68] Development of Continuous Copper Deposition on Tungsten By Using Multiple Laser Beams Focusing System

*Hisashi SERIZAWA¹, Jun SHIMAOKA¹, Yuji SATO¹, Mashiro TSUKAMOTO¹, Takashi NOZAWA² (1. Osaka Univ., 2. QST)

一般講演

[G] Solid process/Solid and welding process

Thu. Mar 18, 2021 9:00 AM - 12:25 PM Rm. H (ZoomRm.H)

Chair:Masayuki OKUGAWA(Osaka University), Noriharu YODOSHI( Institute for Materials Research, Tohoku University), Takayuki Shiraiwa

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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9:00 AM - 9:30 AM

[69] [招待講演]Modified Inherent Strain Method for Predicting Residual Distortion and Stress in Metal Additive Manufacturing

*Albert　Chi-Fu To¹, Xuan Liang¹, Qian Chen¹, Wen Dong¹, Hai Tran¹, Lin Cheng¹ (1. University of Pittsburgh)

9:30 AM - 9:45 AM

[70] 0

*Lingxiao OUYANG¹, Yufan Zhao², Yuji Imamiya³, Kenta Aoyagi², Akihiko Chiba² (1. Tohoku Univ.、2. IMR, Tohoku Univ.、3. Mitsubishi Heavy Industries Machine Group.)

9:45 AM - 10:00 AM

[71] 0

*Yunwei Gui¹, Kenta Aoyagi², Huakang Bian², Akihiko Chiba² (1. Tohoku University、2. Institute for Materials Research, Tohoku University)

break （10:00 AM - 10:20 AM）

10:20 AM - 10:35 AM

[72] Process optimization of Electron Beam Melting manufactured CoCrWMo alloy and study on its microstructure

*Chenguang Li¹, Kenta Aoyagi², Daisuke Kamio³, Hideyuki Shimura³, AkihikoChiba² (1. Tohoku University, 2. Institute for Materials Research, Tohoku University, 3.Toyo Knife Co. Ltd)

10:35 AM - 10:50 AM

[73] The effects of process parameters on the powder characteristics in plasma rotating electrode process (PREP)

*Yujie Cui¹, Haruko Numata², Yufan Zhao¹, Kimio Wako³, Huakang Bian¹, Kenta Yamanaka¹, Kenta Aoyagi¹, Akihiko Chiba¹ (1. Institute for Materials Research, Tohoku University, 2. Graduate School of Engineering, Tohoku University, 3. JAMPT Corporation)

10:50 AM - 11:05 AM

[74] Ball milling treatment of gas atomized Ti‒48Al‒2Cr‒2Nb powder and its effect on preventing smoking during electron beam melting building process

*SEUNGKYUN YIM¹, Huakang Bian², Kenta Aoyagi², Akihiko Chiba² (1. Graduate School of Engineering, Tohoku University, 2. Institute for Materials Research, Tohoku University)

11:05 AM - 11:20 AM

[75] Melting and Solidification of Ti-6Al-4V/Copper Multi-material Powder Bed by Electron Beam for Additive Manufacturing

Lei Wang¹, Kengo Hieda², Masayuki Okugawa^3,4, Hirotoshi Kawabata³, *Yuichiro Koizumi^3,4, Takayoshi Nakano^3,4 (1. Osaka Univ., Eng.(Research Student), 2. Osaka Univ., Eng.(Grad. Student) (present: Fujitsu), 3. Osaka Univ., Eng. Metal AM center, 4. Osaka Univ., Eng. Metal AM center)

break （11:20 AM - 11:40 AM）

11:40 AM - 11:55 AM

[76] Effects of a small amount of Ti on the hot ductility of Fe-Ni-Co alloys and application for AM

*YASUTOMO TANIHARA¹, HIROYUKI CHIBAHARA¹, KENTA AOYAGI², AKIHIKO CHIBA² (1. Mitsubishi Electric Corporation Advanced Technology R&D Center, 2. Institute for Materials Research, Tohoku University)

11:55 AM - 12:10 PM

[77] Study for high quality gas atomized powder production (2)

*Noriharu YODOSHI¹, Takahide Endo¹, Naoya MASAHASHI¹ (1. Institute for Materials Research, Tohoku University)

12:10 PM - 12:25 PM

[78] Analysis of the influence of particle size in the rake process in powder bed fusion by discrete element method

*Yusuke ISONO¹, Masayuki OKUGAWA¹, Yuichiro KOIZUMI¹ (1. Osaka university)

一般講演

[G] Solid process/Solid and welding process

Thu. Mar 18, 2021 1:30 PM - 4:40 PM Rm. H (ZoomRm.H)

Chair:KENTA AOYAGI( Institute for Materials Research, Tohoku University), Masayuki OKUGAWA(Osaka University)

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

【講演順変更】都合により、No.87はNo.86の前に講演いたします。

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1:30 PM - 1:45 PM

[79] Powder behavior of Laser Powder Bed Fusion under decompression and heating environments

*Hirotsugu KAWANAKA¹, Shinji MATSUSHITA¹, Hyakka NAKADA¹, Noboru SAITOU² (1. Hitachi, Ltd., 2. Hitachi, Ltd. （Hitachi Construction Machinery）)

1:45 PM - 2:00 PM

[80] Mechanical & Metallurgical Characterization of Additively Manufactured SKD61 under High Temperature Conditions

*Shinji MATSUSHITA¹, Hirotsugu Kawanaka¹, Hyakka Nakada¹, Kenta Aoyagi², Huakang Bian², Akihiko Chiba² (1. Hitachi, Ltd., 2. Tohoku Univ.)

2:00 PM - 2:15 PM

[81] Optimization of Additive Manufacturing Conditions for SKD61 by Using Machine Learning

*Hyakka NAKADA¹, Shinji MATSUSHITA¹, Hirotsugu KAWANAKA¹ (1. Hitachi, Ltd.)

2:15 PM - 2:30 PM

[82] Development of CPS compatible additive manufacturing system (I) – auto process mapping system

*Kenta AOYAGI^1,2, Manabu ONO^1,2, Kenta YAMANAKA^1,2, Akihiko CHIBA^1,2 (1. Institute for Materials Research, Tohoku University, 2. Technology Research Association for Future Additive Manufacturing)

break （2:30 PM - 2:50 PM）

2:50 PM - 3:05 PM

[83] Study on Solidification Cracking of Ni-base Super Alloy using Selective Laser Melting Process

*Masakazu Tsujii^1,2, Houichi Kitano¹, Masahiro Kusano¹, Atsushi Yumoto², Makoto Watanabe¹ (1. NIMS, 2. Shibaura Institute of Technology)

3:05 PM - 3:20 PM

[84] Optimization of Heat Source Model for Thermal Analysis of Selective Laser Melting

*Masahiro KUSANO¹, Houichi KITANO¹, Makoto WATANABE¹ (1. NIMS)

3:20 PM - 3:35 PM

[85] Computational thermal Fluid Dynamics Analysis and Microstructure of Ti-15Mo-5Zr-3All Alloy Irradiated by Laser Beam for Additive Manufacturing

*Takumi MAEDA¹, Yuichiro KOIZUMI^1,2, Masayuki OKUGAWA^1,2, Hirotoshi KAWABATA¹, Takayoshi NAKANO^1,2, Takuya ISHIMOTO^1,2, Kouta KIMURA^1,2, Sekai SON^1,2 (1. Osaka University, 2. AM Research Center in Osaka University)

break （3:35 PM - 3:55 PM）

3:55 PM - 4:10 PM

[87] AE monitoring of microdefects generation during modeling process by SLM method

*Kaita ITO¹, Rinako Kokaji², Masahiro Kusano¹, Takayuki Shiraiwa², Makoto Watanabe¹, Manabu Enoki² (1. NIMS, 2. The Univ. of Tokyo)

4:10 PM - 4:25 PM

[86] Measurement of AE signals during the 3D additive manufacturing process

*Rinako KOKAJI¹, Kaita ITO², Masahiro KUSANO², Takayuki SHIRAIWA³, Makoto WATANABE², Manabu ENOKI³ (1. The Univ. of Tokyo, 2. NIMS, 3. The Univ. of Tokyo)

4:25 PM - 4:40 PM

[88] Mechanism effect triggering grain boundary cracking in non-weldable superalloy Alloy713ELC fabricated by selective electron beam melting

*Yuchao LEI¹, Kenta Aoyagi², Kinya Aota³, Kosuke Kuwabara³, Akihiko Chiba² (1. Dpt. of Materials Processing, Tohoku Univ., 2. IMR, Tohoku Univ., 3. GRIT, Hitachi Metals, Ltd.)

Sessions

6.Materials Processing » Solid process/ Solid and welding process

[G] Solid process/Solid and welding process

[61] [功績賞受賞講演]Elucidation of solidification/welding defects & microstructural evolution mechanisms using in situ observation of solidification/deformation behaviors

[62] TEM Observations and Cutting Tests of Ti(C, N)-X (X=W, Mo) Cermets

[63] Analysis of reduction mechanism of nickel oxide using microwave furnace

[64] Elucidation of interface joining mechanism for pressure-control joule-heat forge welding of high carbon steel

[65] Dissimilar solid-state bonding of CP-Ti to 304 stainless steel with small deformation by Joule heating

[66] Investigation of WC-tool-component solution mechanism arose in a steel surface layer during friction stir processing

[67] Effect of bonding time om Transient Liquid Phase Bonded Ti-6Al-4V similar joint with Cu-Ni multi interlayers

[68] Development of Continuous Copper Deposition on Tungsten By Using Multiple Laser Beams Focusing System

[G] Solid process/Solid and welding process

[69] [招待講演]Modified Inherent Strain Method for Predicting Residual Distortion and Stress in Metal Additive Manufacturing

[70] 0

[71] 0

[72] Process optimization of Electron Beam Melting manufactured CoCrWMo alloy and study on its microstructure

[73] The effects of process parameters on the powder characteristics in plasma rotating electrode process (PREP)

[74] Ball milling treatment of gas atomized Ti‒48Al‒2Cr‒2Nb powder and its effect on preventing smoking during electron beam melting building process

[75] Melting and Solidification of Ti-6Al-4V/Copper Multi-material Powder Bed by Electron Beam for Additive Manufacturing

[76] Effects of a small amount of Ti on the hot ductility of Fe-Ni-Co alloys and application for AM

[77] Study for high quality gas atomized powder production (2)

[78] Analysis of the influence of particle size in the rake process in powder bed fusion by discrete element method

[G] Solid process/Solid and welding process

[79] Powder behavior of Laser Powder Bed Fusion under decompression and heating environments

[80] Mechanical & Metallurgical Characterization of Additively Manufactured SKD61 under High Temperature Conditions

[81] Optimization of Additive Manufacturing Conditions for SKD61 by Using Machine Learning

[82] Development of CPS compatible additive manufacturing system (I) – auto process mapping system

[83] Study on Solidification Cracking of Ni-base Super Alloy using Selective Laser Melting Process

[84] Optimization of Heat Source Model for Thermal Analysis of Selective Laser Melting

[85] Computational thermal Fluid Dynamics Analysis and Microstructure of Ti-15Mo-5Zr-3All Alloy Irradiated by Laser Beam for Additive Manufacturing

[87] AE monitoring of microdefects generation during modeling process by SLM method

[86] Measurement of AE signals during the 3D additive manufacturing process

[88] Mechanism effect triggering grain boundary cracking in non-weldable superalloy Alloy713ELC fabricated by selective electron beam melting

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