Oral Session

[C3-O1] Slot 01

Mon. Dec 13, 2021 9:00 AM - 11:00 AM Room D (G414+415)

Chair: Takamasa Sakai

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Opening Remark （9:00 AM - 9:05 AM）

9:05 AM - 9:40 AM

[C3-O1-01 (Symposium Invited)] Design of Radical-type Mechanofunctional Polymers

*Hideyuki Otsuka¹ (1. Tokyo Inst. Tech. (Japan))

9:40 AM - 9:55 AM

[C3-O1-02] Energy dissipation and visual fracture warning function of mechanochromic stimuli-recovery gels

*Yuchen Mao¹, Yuto Kubota², Jin Gong², Akira Ishigami^1,2, Kota Seshimo³, Daisuke Aoki³, Hideyuki Otsuka³, Hiroshi Ito^1,2 (1. Research Center for GREEN Materials & Advanced Processing, Yamagata Univ. (Japan), 2. Department of Organic Materials Science, Graduate School of Organic Materials Science, Yamagata Univ. (Japan), 3. Department of Chemical Science and Engineering, Tokyo Inst. of Tech. (Japan))

9:55 AM - 10:10 AM

[C3-O1-03] Mechanochemical Reactions of Bis(9-aryl-9-fluorenyl) Peroxide Derivatives in Polymer Networks

*Yi Lu¹, Hajime Sugita², Koichiro Mikami², Daisuke Aoki¹, Hideyuki Otsuka¹ (1. Tokyo Inst. of Tech. (Japan), 2. Sagami Chemical Res. Inst. (Japan))

10:10 AM - 10:35 AM

[C3-O1-04 (Symposium Invited)] Ionomers with Dynamic Crosslinks at Room Temperature

*Yohei Miwa^1,2 (1. Gifu Univ. (Japan), 2. PRESTO, JST (Japan))

10:35 AM - 10:50 AM

[C3-O1-05] Change in Microdomain Arrangement of ABA and ABC Type Triblock Copolymers under Uniaxial Deformation

*Ken Kojio¹, Aya Fujimoto¹, Ayumi Hamada¹ (1. Kyushu University (Japan))

Oral Session

[C3-O2] Slot 02

Mon. Dec 13, 2021 1:30 PM - 5:00 PM Room D (G414+415)

Chair: Hideyuki Otsuka, Hiroshi Jinnnai

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1:30 PM - 2:05 PM

[C3-O2-01 (Symposium Invited)] Atomic-resolution electron microscopy study on a soft/hard nano-composite interface for adhesiveness

*Hiroshi Jinnai¹ (1. Tohoku Univ. (Japan))

2:05 PM - 2:20 PM

[C3-O2-02] Chemical bonding states of silica filled rubber with silane coupling agent studied by STEM-EELS

*Yohei K Sato¹, Wakana Miyoshi², Hiroshi Jinnai¹ (1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku Univ. (Japan), 2. Sumitomo Rubber Industries, LTD (Japan))

2:20 PM - 2:35 PM

[C3-O2-03] Nanoscale molecular vibration spectroscopy of polymers

*Ryosuke Senga¹, Kazu Suenaga², Hsiao-Fang Wang³, Tomohiro Miyata³, Hiroshi Jinnai³ (1. AIST (Japan), 2. Osaka Univ. (Japan), 3. Tohoku Univ. (Japan))

2:35 PM - 2:50 PM

[C3-O2-04] Multi-scale MD Simulations of Extremely Slow Cooperative Diffusion of Epoxy Resin Molecules at Naturally Oxidized Si Substrates

*Katsumi Hagita¹, Tomohiro Miyata², Yohei Sato², Hiroshi Jinnai² (1. National Defense Academy (Japan), 2. IMRAM, Tohoku Univ. (Japan))

2:50 PM - 3:15 PM

[C3-O2-05 (Symposium Invited)] Modeling Mesoscopic Dynamics of Polymeric Systems by Coarse-Grained Dynamics Models with Transient Potentials

*Takashi Uneyama¹ (1. Nagoya Univ. (Japan))

Break （3:15 PM - 3:20 PM）

3:20 PM - 3:55 PM

[C3-O2-06] Tri-branched gels: Low branching factors make rubbery materials ultra-elastic

*Takamasa Sakai¹ (1. University of Tokyo (Japan))

3:55 PM - 4:10 PM

[C3-O2-07] Effect of nano-association kinetics on macroscopic viscoelasticity of a four-branched transient network

*Takuya Katashima¹, Mitsuru Naito¹, Satoru Nagatoishi¹, Kanjiro Miyata¹, Ung-il Chung¹, Kohei Tsumoto¹, Takamasa Sakai¹ (1. The Univ. of Tokyo (Japan))

4:10 PM - 4:45 PM

[C3-O2-08 (Symposium Invited)] Crack Growth in Stretched Elastomers

*Kenji Urayama¹, Tam Thanh Mai¹, Katsuhiko Tsunoda² (1. Kyoto Inst. Tech. (Japan), 2. Bridgestone Corp. (Japan))

4:45 PM - 5:00 PM

[C3-O2-09] Effects of Deformation Modes on the Stress-strain Relationships of Some Thermoplastic Elastomers

*Ananda Kafle¹, Ken Kojio^1,2 (1. Institute for Materials Chemistry and Engineering, Kyushu Univ. (Japan), 2. Graduate School of Engineering, Kyushu Univ. (Japan))

Poster Session

[C3-PV21] Slot 21

Mon. Dec 13, 2021 6:30 PM - 8:00 PM C3-PV21 (online)

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6:30 PM - 8:00 PM

[C3-PV21-01] Design of Ionic Unit for Self-Healing PDMS Ionomer

*Takehito Ohya¹, Yohei Miwa^1,2, Shoichi Kutsumizu¹ (1. Gifu Univ. (Japan), 2. PRESTO, JST (Japan))

6:30 PM - 8:00 PM

[C3-PV21-02] In Situ X-ray Scattering Investigation of PI Ionomers with Dynamic Network under Uniaxial Deformation

*Shinichiro Hamajima¹, Yohei Miwa^1,2, Masatoshi Tsunoda¹, Shoichi Kutsumizu¹ (1. Gifu Univ. (Japan), 2. PRESTO, JST (Japan))

6:30 PM - 8:00 PM

[C3-PV21-03] Crossover from Positive to Negative Energetic Elasticity in Polydimethylsiloxane Gels and Elastomers

*Takuma Aoyama¹, Kenji Urayama¹ (1. Kyoto Inst. of Tech. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-04] Impact of Strain-Induced Crystallization on Crack Propagation in Cis-1,4-Polyisoprene Rubber

*Ryosuke Osumi¹, Thanh-Tam Mai¹, Ruito Tanaka¹, Katsuhiko Tsunoda², Shinichi Sakurai¹, Kenji Urayama¹ (1. Kyoto Institute of Tech. Univ. (Japan), 2. Central Res. Bridgestone Corp. Tokyo (Japan))

6:30 PM - 8:00 PM

[C3-PV21-05] Effects of Strain Biaxiality on Strain Energy Release Rate and Crack-Tip Strain Field in Elastic Hydrogels

*Thanh-Tam Mai¹, Kenji Urayama¹ (1. Kyoto Institute of Technology (Japan))

6:30 PM - 8:00 PM

[C3-PV21-06] Evaluation of mechanochromism and mechanical properties of polyurethane elastomers with dynamic covalent frameworks

*Yuto Kubota¹, Yuchen Mao¹, Akira Ishigami¹, Kota Seshimo², Daisuke Aoki², Hideyuki Otsuka², Hiroshi Ito¹ (1. Yamagata Univ. (Japan), 2. Tokyo Institute of Technology (Japan))

6:30 PM - 8:00 PM

[C3-PV21-07] Visualization of Mechanoradicals Generated by Polymer Chain Scission in Bulk State through a Fluorescent Radical Precursor

*Yamamoto Takumi¹, Daisuke Aoki¹, Hideyuki Otsuka¹ (1. Tokyo Tech. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-08] Visualization and Quantitative Evaluation of Toughening Polymer Networks Cross-linked by a Radical-type Mechanophore

*Daisuke Aoki¹, Hirogi Yokochi¹, Hideyuki Otsuka¹ (1. Tokyo Tech. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-09] Strain Distribution Analysis of Dynamic Covalent Polymers Using Digital Image Correlation

*Yoshiki Sato¹, Shotaro Nishitsuji¹, Kota Seshimo², Daisuke Aoki², Hideyuki Otsuka², Hiroshi Ito¹ (1. Yamagata Univ. (Japan), 2. Tokyo Inst. of Tech. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-10] Controlling the Thermal-/Mechano-responsiveness of Mechano-materials through Rational Design of Radical Mechanophores using Theoretical Prediction

*Hajime Sugita¹, Yi Lu², Koichiro Mikami¹, Daisuke Aoki², Hideyuki Otsuka² (1. Sagami Chemical Research Inst. (Japan), 2. Tokyo Inst. of Technology (Japan))

6:30 PM - 8:00 PM

[C3-PV21-11] Molecular aggregation structure and mechanical property of polyurethane adhesive with various urethane group contents under lap shear deformation

*Kakeru Obayashi¹, Chien-Wei Chu², Ken Kojio^1,2,3,4, Atsushi Takahara^4,5 (1. Grad. Sch. Eng., Kyushu Univ. (Japan), 2. IMCE, Kyushu Univ. (Japan), 3. WPI-I2CNER, Kyushu Univ. (Japan), 4. Ctr. Polym. Interface & Adhe. Sci., Kyushu Univ. (Japan), 5. Res. Ctr. Neg. Emis. Tech., Kyushu Univ. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-12] Effect of Electric Current on Creep Deformation of 8mol% Yttria Stabilized Zirconia Polycrystals

*Daichi Morikawa^1,2, Koji Morita^1,2, Kohei Soga² (1. National Inst. for Materials Sci. (Japan), 2. Tokyo Univ. of Sci. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-13] Flash joining of TZP under AC electric field

*Kohta Nambu^1,2, Taisuke Kitaoka³, Koji Morita^1,2, Kohei Soga³, Takahisa Yamamoto⁴, Hiroshi Masuda⁵, Hidehiro Yoshida^5,6 (1. Kyushu Univ. (Japan), 2. NIMS (Japan), 3. Tokyo Univ. of Sci. (Japan), 4. Nagoya Univ. (Japan), 5. The Univ. of Tokyo (Japan), 6. Next generation Zirconia Social Cooperation Program (Japan))

6:30 PM - 8:00 PM

[C3-PV21-14] Electric Current Enhanced Micro-Crack Healing in Zirconia Ceramics

*Fuki Naito^1,2, Koji Morita^1,2, Daisuke Terada¹ (1. Chiba Inst. of Tech. (Japan), 2. National Inst. for Materials Sci. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-15] Grain growth behavior under electric current in zirconia (8Y-CSZ) ceramics

*Fuki Naito^1,2, Shintaro Kawabata², Koji Morita^1,2, Daisuke Terada¹ (1. Chiba Inst. of Tech. (Japan), 2. National Inst. for Materials Sci. (Japan))

6:30 PM - 8:00 PM

[C3-PV21-16] Photoluminescence of flash sintered yttria stabilized zirconia

*Asa Itoh¹, Ayu Kodaira¹, Tomoharu Tokunaga¹, Hidehiro Yoshida², Takahisa Yamamoto¹ (1. Nagoya University (Japan), 2. The University of Tokyo (Japan))

6:30 PM - 8:00 PM

[C3-PV21-17] Atomistic model analysis of dislocation motion at alpha-Mg/LPSO interface

*Ryosuke Matsumoto¹, Yosuke Nakatomi² (1. Kyoto University of Advanced Science (Japan), 2. Kyoto University (Japan))

Oral Session

[C3-O3] Slot 03

Tue. Dec 14, 2021 9:00 AM - 11:00 AM Room D (G414+415)

Chair: Kenji Urayama

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9:00 AM - 9:35 AM

[C3-O3-01 (Symposium Invited)] Hydrodynamics of Phantasmagoric Liquid Crystals

*Jun Yamamoto^1,2 (1. Department of Physics, Kyoto University (Japan), 2. JST-CREST (Japan))

9:35 AM - 10:10 AM

[C3-O3-02 (Symposium Invited)] Resonance Shear Measurement for Studying Mechanics of Soft Material Interfaces

*Masashi Mizukami¹, Ren Huai-Yin¹, Kazue Kurihara¹ (1. Tohoku Univ. (Japan))

10:10 AM - 10:25 AM

[C3-O3-03] Detection of liquid-like water molecules in premelting surfaces

*Ikki Yasuda¹, Katsuhiro Endo¹, Noriyoshi Arai¹, Kenji Yasuoka¹ (1. Keio Univ. (Japan))

10:25 AM - 10:50 AM

[C3-O3-04 (Symposium Invited)] Multiscale experimental investigations on the dislocation behavior in inorganic semiconductors under different light conditions

*Atsutomo Nakamura^1,2 (1. Osaka Univ. (Japan), 2. PRESTO, JST (Japan))

Oral Session

[C3-O5] Slot 05

Tue. Dec 14, 2021 4:00 PM - 6:00 PM Room D (G414+415)

Chair: Takashi Sumigawa

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4:00 PM - 4:35 PM

[C3-O5-01 (Symposium Invited)] Flexural Deformation in TZP under the Occurrence of Flash Event

*Hidehiro Yoshida¹, Hiroki Motomura¹, Yamato Sasaki², Hiroshi Masuda¹, Takahisa Yamamoto³ (1. The Univ. of Tokyo (Japan), 2. Tokyo Univ. of Sci. (Japan), 3. Nagoya Univ. (Japan))

4:35 PM - 4:50 PM

[C3-O5-02] Shrinkage-controlled flash sintering as a modified flash sintering technique

*Takahisa Yamamoto¹, Yuki Ishino¹, Asa Itoh¹, Ayu Kodaira¹, Tomoharu Tokunaga¹, Hidehiro Yoshida² (1. Nagoya University (Japan), 2. The University of Tokyo (Japan))

4:50 PM - 5:05 PM

[C3-O5-03] Rate-dependent nanoindentation response of flash-processed cubic zirconia

*Hiroshi Masuda¹, Koji Morita², Hidehiro Yoshida¹ (1. The Univ. of Tokyo (Japan), 2. National Inst. for Materials Sci. (Japan))

5:05 PM - 5:40 PM

[C3-O5-04 (Symposium Invited)] Understanding the effect of electric fields on the sintering of ceria

*Olivier Guillon¹, Tarini P. Mishra¹, Apurv Dash¹, Chen Cao¹, Robert Mücke¹, Martin Bram¹ (1. Forschungszentrum Juelich, Institute of Energy and Climate Research: Synthesis and Processing (IEK-1) (Germany))

5:40 PM - 5:55 PM

[C3-O5-05] Tensile deformation behavior in zirconia (8Y-CSZ) ceramics under DC and AC electric currents

*Koji Morita^1,2, Kota Nambu^1,2, Hidehiro Yoshida^3,4 (1. Natl. Inst. for Mater. Sci. (Japan), 2. Univ. of Kyushu (Japan), 3. The Univ. of Tokyo (Japan), 4. Next Generation Zirconia Social Cooperation Program, Inst. of Eng. Innov., The Univ. of Tokyo (Japan))

Poster Session

[C3-PR15] Slot 15

Tue. Dec 14, 2021 6:30 PM - 8:30 PM C3-PR15 (G403-404)

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6:30 PM - 8:30 PM

[C3-PR15-01] Design of Ionic Unit for Self-Healing PDMS Ionomer

*Takehito Ohya¹, Yohei Miwa^1,2, Shoichi Kutsumizu¹ (1. Gifu Univ. (Japan), 2. PRESTO, JST (Japan))

6:30 PM - 8:30 PM

[C3-PR15-02] In Situ X-ray Scattering Investigation of PI Ionomers with Dynamic Network under Uniaxial Deformation

*Shinichiro Hamajima¹, Yohei Miwa^1,2, Masatoshi Tsunoda¹, Shoichi Kutsumizu¹ (1. Gifu Univ. (Japan), 2. PRESTO, JST (Japan))

6:30 PM - 8:30 PM

[C3-PR15-03] Crossover from Positive to Negative Energetic Elasticity in Polydimethylsiloxane Gels and Elastomers

*Takuma Aoyama¹, Kenji Urayama¹ (1. Kyoto Inst. of Tech. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-04] Impact of Strain-Induced Crystallization on Crack Propagation in Cis-1,4-Polyisoprene Rubber

6:30 PM - 8:30 PM

[C3-PR15-05] Effects of Strain Biaxiality on Strain Energy Release Rate and Crack-Tip Strain Field in Elastic Hydrogels

*Thanh-Tam Mai¹, Kenji Urayama¹ (1. Kyoto Institute of Technology (Japan))

6:30 PM - 8:30 PM

[C3-PR15-06] Evaluation of mechanochromism and mechanical properties of polyurethane elastomers with dynamic covalent frameworks

*Yuto Kubota¹, Yuchen Mao¹, Akira Ishigami¹, Kota Seshimo², Daisuke Aoki², Hideyuki Otsuka², Hiroshi Ito¹ (1. Yamagata Univ. (Japan), 2. Tokyo Institute of Technology (Japan))

6:30 PM - 8:30 PM

[C3-PR15-07] Visualization of Mechanoradicals Generated by Polymer Chain Scission in Bulk State through a Fluorescent Radical Precursor

*Takumi Yamamoto¹, Daisuke Aoki¹, Hideyuki Otsuka¹ (1. Tokyo Tech. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-08] Visualization and Quantitative Evaluation of Toughening Polymer Networks Cross-linked by a Radical-type Mechanophore

*Daisuke Aoki¹, Hirogi Yokochi¹, Hideyuki Otsuka¹ (1. Tokyo Tech. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-09] Strain Distribution Analysis of Dynamic Covalent Polymers Using Digital Image Correlation

*Yoshiki Sato¹, Shotaro Nishitsuji¹, Kota Seshimo², Daisuke Aoki², Hideyuki Otsuka², Hiroshi Ito¹ (1. Yamagata Univ. (Japan), 2. Tokyo Inst. of Tech. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-10] Controlling the Thermal-/Mechano-responsiveness of Mechano-materials through Rational Design of Radical Mechanophores using Theoretical Prediction

*Hajime Sugita¹, Yi Lu², Koichiro Mikami¹, Daisuke Aoki², Hideyuki Otsuka² (1. Sagami Chemical Research Inst. (Japan), 2. Tokyo Inst. of Technology (Japan))

6:30 PM - 8:30 PM

[C3-PR15-11] Molecular aggregation structure and mechanical property of polyurethane adhesive with various urethane group contents under lap shear deformation

6:30 PM - 8:30 PM

[C3-PR15-12] Effect of Electric Current on Creep Deformation of 8mol% Yttria Stabilized Zirconia Polycrystals

*Daichi Morikawa^1,2, Koji Morita^1,2, Kohei Soga² (1. National Inst. for Materials Sci. (Japan), 2. Tokyo Univ. of Sci. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-13] Flash joining of TZP under AC electric field

6:30 PM - 8:30 PM

[C3-PR15-14] Electric Current Enhanced Micro-Crack Healing in Zirconia Ceramics

*Fuki Naito^1,2, Koji Morita^1,2, Daisuke Terada¹ (1. Chiba Inst. of Tech. (Japan), 2. National Inst. for Materials Sci. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-15] Grain growth behavior under electric current in zirconia (8Y-CSZ) ceramics

*Fuki Naito^1,2, Shintaro Kawabata², Koji Morita^1,2, Daisuke Terada¹ (1. Chiba Inst. of Tech. (Japan), 2. National Inst. for Materials Sci. (Japan))

6:30 PM - 8:30 PM

[C3-PR15-16] Photoluminescence of flash sintered yttria stabilized zirconia

*Asa Itoh¹, Ayu Kodaira¹, Tomoharu Tokunaga¹, Hidehiro Yoshida², Takahisa Yamamoto¹ (1. Nagoya University (Japan), 2. The University of Tokyo (Japan))

6:30 PM - 8:30 PM

[C3-PR15-17] Atomistic model analysis of dislocation motion at alpha-Mg/LPSO interface

*Ryosuke Matsumoto¹, Yosuke Nakatomi² (1. Kyoto University of Advanced Science (Japan), 2. Kyoto University (Japan))

Oral Session

[C3-O6] Slot 06

Wed. Dec 15, 2021 9:00 AM - 11:00 AM Room D (G414+415)

Chair: Jun Yamamoto

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9:00 AM - 9:25 AM

[C3-O6-01 (Symposium Invited)] Toughening of Glass by Imparting Ductility via Morphologically Designed Precipitates

*Kenji Shinozaki^1,2, Lei Liu¹ (1. National Institute of Advanced Science and Technology (Japan), 2. JST Presto (Japan))

9:25 AM - 9:40 AM

[C3-O6-02] Towards glasses with permanent stability

*Taiki Yanagishima^1,2,3, John Russo⁴, Roel Dullens¹, Hajime Tanaka^5,6 (1. Dept. of Chemistry, Physical and Theoretical Chemistry Lab, Univ. of Oxford, Oxford (UK), 2. Dept. of Physics, Graduate School of Sci., Kyoto Univ., Kyoto (Japan), 3. JST-CREST, Saitama (Japan), 4. Dept. of Physics, Sapienza Univ. of Rome, Rome (Italy), 5. Dept. of Fundamental Engineering, Inst. of Indus. Sci., Univ. of Tokyo, Tokyo (Japan), 6. Res. Center for Advanced Sci. and Tech., Univ. of Tokyo, Tokyo (Japan))

9:40 AM - 10:15 AM

[C3-O6-03 (Symposium Invited)] Fatigue of Micro-sized Single Crystal Copper under Tension-compression Cyclic Loading

*Takashi Sumigawa¹, Taishi Wada¹, Masataka Abe¹ (1. Kyoto Univ. (Japan))

10:15 AM - 10:30 AM

[C3-O6-04] Describing the dislocation pattern formation in metals at submicron scales: A rate equation approach

*Hiroyuki Shima¹, Akihiro Tobise², Takashi Sumigawa² (1. Univ. Yamanashi (Japan), 2. Kyoto Univ. (Japan))

10:30 AM - 10:45 AM

[C3-O6-05] Atomistic and multiscale model simulations of dislocation behavior in nanoscale metal fatigue

*Yoshitaka Umeno¹, Atsushi Kubo¹ (1. The University of Tokyo (Japan))

Oral Session

[C3-O7] Slot 07

Wed. Dec 15, 2021 2:30 PM - 6:00 PM Room D (G414+415)

Chair: Hidehiro Yoshida, Hiroyuki Toda

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2:30 PM - 3:05 PM

[C3-O7-01 (Symposium Invited)] Determining the 3D Atomic Structure of Non-Crystalline Materials

*Jianwei Miao¹ (1. University of California, Los Angeles (United States of America))

3:05 PM - 3:40 PM

[C3-O7-02 (Symposium Invited)] Hydrogen embrittlement mechanism of Al-Zn-Mg alloys: semi-spontaneous interfacial decohesion

*Hiroyuki Toda¹, Masatake Yamaguchi², Tomohito Tsuru², Kazuyuki Shimizu³, Kyosuke Hirayama⁴, Kenichi Ebihara², Kenji Matsuda⁵ (1. Kyushu Univ. (Japan), 2. Japan Atomic Energy Agency (Japan), 3. Iwate Univ. (Japan), 4. Kyoto Univ. (Japan), 5. Toyama Univ. (Japan))

3:40 PM - 3:55 PM

[C3-O7-03] Hydrogen Trapped Sites in Al-Mg and Al-Cu alloys studied by Muon Spin Relaxation Method

*Katsuhiko Nishimura¹, Kenji Matsuda¹, Norio Nunomura¹, Takahiro Namiki¹, Seungwon Lee¹, Wataru Higemoto², Tomohito Tsuru², Teiichiro Matsuzaki³, Isao Watanabe³, Kazuyuki Shimizu⁴, Hiroyuki Toda⁵ (1. Univ. Toyama (Japan), 2. JAEA (Japan), 3. RIKEN (Japan), 4. Iwate Univ. (Japan), 5. Kyushu Univ. (Japan))

3:55 PM - 4:10 PM

[C3-O7-04] Effect of hydrogen on precipitation behavior in low Zn/Mg ratio Al-Zn-Mg alloy

*Seungwon Lee¹, Kengo Takamoto¹, Taiki Tsuchiya¹, Kenji Matsuda¹, Katsuhiko Nishimura¹, Norio Nunomura¹, Hiroyuki Toda², Hongye Gao², Kyosuke Hirayama³, Kazuyuki Shimizu⁴, Masatake Yamaguchi⁵, Kenichi Ebihara⁵, Mitsuhiro Itakura⁵, Tomohito Tsuru⁵ (1. Univ. of Toyama (Japan), 2. Kyushu Univ. (Japan), 3. Kyoto Univ. (Japan), 4. Iwate Univ. (Japan), 5. Japan Atomic Energy Agency (Japan))

4:10 PM - 4:25 PM

[C3-O7-05] Influence of hydrogen accumulation behavior under stress on hydrogen embrittlement in Al-Zn-Mg alloy

*Hiro Fujihara¹, Hiroyuki Toda¹, Kenichi Ebihara², Masakazu Kobayashi³, Akihisa Takeuchi⁴, Masayuki Uesugi⁴, Shogo Yasuda³ (1. Kyushu Univ. (Japan), 2. Japan Atomic Energy Agency (Japan), 3. Toyohashi Univ. of Tech. (Japan), 4. Japan Synchrotron Radiation Res. Inst. (Japan))

4:25 PM - 4:40 PM

[C3-O7-06] Hydrogen-accelerated cleavage in high strength aluminium alloys

*Tomohito Tsuru¹, Kazuyuki Shimizu², Masatake Yamaguchi¹, Mitsuhiro Itakura¹, Kenichi Ebihara¹, Artenis Bendo³, Kenji Matsuda³, Hiroyuki Toda⁴ (1. Japan Atomic Energy Agency (Japan), 2. Iwate Univ. (Japan), 3. Univ. of Toyama (Japan), 4. Kyushu Univ. (Japan))

Break （4:40 PM - 4:45 PM）

4:45 PM - 5:20 PM

[C3-O7-07 (Symposium Invited)] Deformed Al-Mg-Si alloys studied at the nanoscale

Emil Christiansen¹, Calin Daniel Marioara², *Randi Holmestad¹ (1. NTNU (Norway), 2. SINTEF (Norway))

5:20 PM - 5:35 PM

[C3-O7-08] The Effect of Pre-Deformation on Microstructure and Properties of 6xxx Al Alloys

*Calin Daniel Marioara¹, Odd Sture Hopperstad^2,3, Randi Holmestad^3,4 (1. SINTEF Industry (Norway), 2. SIMLab, Dept. of Struct. Eng., NTNU (Norway), 3. CASA, NTNU (Norway), 4. Dept. of Phys., NTNU (Norway))

5:35 PM - 6:00 PM

[C3-O7-09 (Symposium Invited)] Diffusionless isothermal ω transformation in Ti alloys with low β-phase stability and low elastic modulus

*Masakazu Tane^1,2 (1. Osaka City Univ. (Japan), 2. JST, PRESTO (Japan))

Oral Session

[C3-O8] Slot 08

Thu. Dec 16, 2021 9:00 AM - 12:00 PM Room D (G414+415)

Chair: Nobuhiro Tsuji, Michiaki Yamasaki

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9:00 AM - 9:35 AM

[C3-O8-01 (Symposium Invited)] High Mechanical Performance Magnesium Alloys Developed by Multimodal Microstructure Design Concept

*Michiaki Yamasaki¹, Koji Hagihara², Tsuyoshi Mayama¹, Yoshihito Kawamura¹ (1. Kumamoto Univ. (Japan), 2. Nagoya Inst. Tech. (Japan))

9:35 AM - 9:50 AM

[C3-O8-02] Factors governing the mechanical properties in the directionally solidified Mg/LPSO two-phase alloys

*Koji Hagihara^1,2, Toko Tokunaga¹, Michiaki Yamasaki³, Tsuyoshi Mayama³, Taiki Kida², Yoshihito Kawamura³, Takayoshi Nakano² (1. Nagoya Inst. Tech. (Japan), 2. Osaka Univ. (Japan), 3. Kumamoto Univ. (Japan))

9:50 AM - 10:05 AM

[C3-O8-03] Effects of yttrium and cerium on fatigue behavior of magnesium single crystals

*Shinji Ando¹, Eikichi Fukuoka¹, Kensuke Miyazaki¹, Guojun Lu¹, Masayuki Tsushida¹, Hiromoto Kitahara¹ (1. Kumamoto Univ. (Japan))

10:05 AM - 10:20 AM

[C3-O8-04] Estimation of Critical Resolved Shear Stress for Basal Slip System of α-Mg and LPSO Phases in As-cast Mg₉₄Zn₂Y₄ Alloy

*Tsuyoshi Mayama¹, Sean R Agnew², Syuntaro Takayama¹, Satoshi Morooka³, Wu Gong³, Stefanus Harjo³, Koji Hagihara⁴, Toko Tokunaga⁴, Michiaki Yamasaki¹, Yoshihito Kawamura¹ (1. Kumamoto Univ. (Japan), 2. Univ. of Virginia (United States of America), 3. JAEA (Japan), 4. Nagoya Inst. of Tech. (Japan))

Break （10:20 AM - 10:30 AM）

10:30 AM - 11:05 AM

[C3-O8-05 (Symposium Invited)] Managing both high strength and large ductility by controlling deformation modes in nanostructured metals

*Nobuhiro Tsuji¹, Mitsuhiro Murayama^2,3, Tomotsugu Shimokawa⁴, Kazuyuki Shinzawa⁵, Kyosuke Kishida¹ (1. Kyoto University (Japan), 2. Kyushu University (Japan), 3. Virginia Tech. (United States of America), 4. Kanazawa University (Japan), 5. Keio University (Japan))

11:05 AM - 11:20 AM

[C3-O8-06] in situ TEM to investigate correlations between microstructure characteristics and deformation twin nucleation mechanisms in high manganese austenitic TWIP steel (I)

*Mitsuhiro Murayama^1,2, Tomotsugu Shimokawa³, Chang-Yu Hung¹, Yu Bai^4,5, Nobuhiro Tsuji⁴ (1. Virginia Tech (United States of America), 2. Kyushu Univ. (Japan), 3. Kanazawa Univ. (Japan), 4. Kyoto Univ. (Japan), 5. Dalian Univ. Tech. (China))

11:20 AM - 11:35 AM

[C3-O8-07] in situ TEM to investigate correlations between microstructure characteristics and deformation twin nucleation mechanisms in high manganese austenitic TWIP steel (II)

*Tomotsugu Shimokawa¹, Kentaro Sawada¹, Chang-Yu Hung², Mitsuhiro Murayama^2,3, Yu Bai^4,5, Nobuhiro Tsuji⁴ (1. Kanazawa Univ. (Japan), 2. Virginia Tech. (United States of America), 3. Kyushu Univ. (Japan), 4. Kyoto Univ. (Japan), 5. Dalian Univ. of Tech. (China))

11:35 AM - 11:50 AM

[C3-O8-08] Hydrogen Trapping Energy at Incoherent Boundary in Aluminum Alloy: First-Principles Calculations

*Masatake Yamaguchi¹, Tomohito Tsuru¹, Ken-ichi Ebihara¹, Mitsuhiro Itakura¹ (1. Japan Atomic Energy Agency (Japan))

Closing Remark （11:50 AM - 12:00 PM）

Sessions

C. Structural Materials Based on New Principles » [C-3] Nanomechanics

[C3-O1] Slot 01

[C3-O2] Slot 02

[C3-PV21] Slot 21

[C3-O3] Slot 03

[C3-O5] Slot 05

[C3-PR15] Slot 15

[C3-O6] Slot 06

[C3-O7] Slot 07

[C3-O8] Slot 08

Authentication