Special Session: New Development of Hard (Tool) Metals

Thu. Nov 21, 2024 9:00 AM - 9:55 AM Room I (2F, Room 201)

Chairperson:Sota TERASAKA(Japan Fine Ceramics Center)

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9:00 AM - 9:15 AM

[1-46A] Influence of Co content on the toughness of nitrided powdered high speed steel 《 Physical Property 》

*Shinya OHNISHI¹, Kodai MIURA¹, Ryosuke OCHI¹, Takahisa YAMAMOTO¹, Ryohei HOSOMI¹, Toshiyuki SAWADA¹ (1. SANYO SPECIAL STEEL Co.,Ltd)

9:15 AM - 9:30 AM

[1-47A] Influence of carburizing conditions on the formation process of WC-Ni Hard Coating 《 Synthesis Process, Physical Property 》

*Motofumi OHKI¹, Masayuki NAKAGAWA², Yasuyoshi SAITOH³, Hiroshi SAITOH¹ (1. Faculty of Engineering, Niigata University, 2. Industrial Research Institute of Niigata Prefecture, 3. Tokyo Metropolitan Industrial Technology Research Institute)

9:30 AM - 9:45 AM

[1-48A] Stress-Strain curve of WC-20mass%(Fe, Ni) alloy using binder phase showing stress induced transformation 《 Physical Property 》

*Hiroyuki NAKAYAMA¹ (1. National Institute of Advanced Industrial Science and Technology)

Break（10min）（9:45 AM - 9:55 AM）

Special Session: New Development of Hard (Tool) Metals

Thu. Nov 21, 2024 9:55 AM - 10:50 AM Room I (2F, Room 201)

Chairperson:Masaru KAWAKAMI(Fuji Die Co., Ltd, Japan)

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9:55 AM - 10:15 AM

[1-49] Invited Talk : Mechanical properties and high-temperature bending behavior of Mo₂NiB₂-Ni base cermet 《 Synthesis Process, Sintering, Physical Property 》

*Satofumi MARUYAMA¹, Eri TAKAHASHI¹, Toshiyuki NISHIMURA² (1. Tokyo City University, 2. NIMS)

10:15 AM - 10:25 AM

[1-50B] Milling effect on the mechanical properties of Mo₂NiB₂-Ni cermets 《 Synthesis Process, Sintering, Physical Property 》

*Satoshi Kawasumi¹, Shota Ichijo¹, Eri Takahashi¹, Sora Nagashima¹, Satofumi Maruyama¹ (1. Tokyo City University）（※This presenter is a candidate for the Student Award for Outstanding Presentation.)

10:25 AM - 10:40 AM

[1-51A] Study on TiB₂-based hard material sintered by MA-SPS process 《 Sintering 》

*Keiichiro Endo¹, Masayuki Nakagawa¹, Tomohiro Nagai¹, Wataru Morita¹, Masamichi Chika¹, Naritoshi Aoyagi² (1. Industrial Research Institute of Niigata Prefecture, 2. National Institute of Technology(KOSEN),Nagaoka College)

Break（10min）（10:40 AM - 10:50 AM）

Special Session: New Development of Hard (Tool) Metals

Thu. Nov 21, 2024 10:50 AM - 12:00 PM Room I (2F, Room 201)

Chairperson:Takeshi Saito(KYORITSU GOKIN CO., LTD.)

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10:50 AM - 11:30 AM

[1-52] Memorial Lecture of JSPM Award :
Technical development on microstructure, properties, and performance improvement of cemented carbides.
《 Synthesis Process, Physical Property, Evaluation Technology 》

*Masayuki Takada¹ (1. Nippon Tokushu Goukin Co., Ltd.)

11:30 AM - 11:45 AM

[1-53A] Tensile Strength of Ultrafine-Grained Cemented Carbide with Fine-grained Ti(C,N) 《 Physical Property 》

*Tomohiro Tsutsumi^1,2, Masayuki Takada¹, Sota Terasaka^2,3, Kiyotoshi Sakaguchi², Noriaki Watanabe² (1. Nippon Tokushu Goukin Co., Ltd., 2. Graduate School of Environmental Studies, Tohoku University, 3. Japan Fine Ceramics Center)

11:45 AM - 12:00 PM

[1-54A] Transverse-Rupture Strength and Limiting Strength of Ultrafine-grained Cemented Carbide Affected by the Defects Size as a Fracture Source and Interaction of the Other Defects 《 Physical Property 》

*Kei Tokumoto¹, Masayuki Takada², Tomohiro Tsutsumi^2,3, Sota Terasaka^3,4 (1. Koei Techno-System Co. Ltd., 2. Nippon Tokushu Goukin Co., Ltd., 3. Graduate School of Environmental Studies, Tohoku University, 4. Japan Fine Ceramics Center)

Special Session: New Development of Hard (Tool) Metals

Thu. Nov 21, 2024 1:00 PM - 2:20 PM Room I (2F, Room 201)

Chairperson:Masayuki TAKADA(Nippon tokusyu goukin CO., LTD., Japan)

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1:00 PM - 1:40 PM

[1-55] Memorial Lecture of JSPM Award :
Phenomenon Analysis and Countermeasure Design for Shape Distortion of WC-Co Cemented Carbide during Sintering 《 Sintering 》

*Takeshi Saito¹, Yasuharu Fukuichi¹, Taichi Kajiwara¹, Hideaki Matsubara² (1. Kyoritsu Gokin Co., Ltd., 2. Tohoku University Graduate School of Environmental Studies)

1:40 PM - 1:55 PM

[1-56A] Evaluation of Interfacial Bonding Strength between WC grains in WC-Co and WC-VC-Co Cemented Carbides 《 Physical Property, Evaluation Technology 》

*Yasuki Kido¹, Yoshihiro Kimura¹, Anongsack Paseuth¹, Katsumi Okamura¹ (1. Sumitomo Electric Industries, Ltd.)

1:55 PM - 2:10 PM

[1-57A] Calculated phase diagram approach to constituent phases of WC-VC-Co cemented carbide 《 Sintering, Computational Science 》

*Masaru Kawakami^1,2, Sota Terasaka^1,3 (1. Tohoku University, 2. Fuji Die co., Ltd, 3. Japan Fine Ceramics Center)

Break（10min）（2:10 PM - 2:20 PM）

Special Session: New Development of Hard (Tool) Metals

Thu. Nov 21, 2024 2:20 PM - 3:20 PM Room I (2F, Room 201)

Chairperson:Hiroyuki NAKAYAM(National Institute of Advanced Industrial Science and Technology (AIST))

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2:20 PM - 2:35 PM

[1-58A] The solid solution / sintering behavior of high entropy carbides and the effect of fine particle of raw materials 《 Synthesis Process, Sintering 》

*Tsuneyuki Ito¹ (1. Niterra Co., Ltd.)

2:35 PM - 2:50 PM

[1-59A] Effect of NbC and W addition on mechanical properties of W–Ti–Ta–C ceramics 《 Synthesis Process, Sintering, Physical Property 》

*Takashi SEKINE¹, Yasushi SUGAWARA¹, Koki SATO², Shigeaki SUGIYAMA³, Akihiro NINO² (1. Akita Industrial Technology Center, 2. Graduate School of Engineering Science Akita University, 3. Department of Industry and Labor, Akita Prefectural Government)

2:50 PM - 3:05 PM

[1-60A] Two-dimensional simulation of sintering and grain growth of ceramic powder 《 Sintering, Computational Science 》

*Sota TERASAKA^1,2, Hiroshi NOMURA¹, Hibiki KINOSHITA¹, Teiichi KIMURA¹, Masaru KAWAKAMI^2,3 (1. Japan Fine Ceramics Center, 2. Tohoku University, 3. Fuji Die Co., Ltd.)

3:05 PM - 3:20 PM

[1-61A] Simulation and experimental study on powder compaction and sintering by finite element methods. 《 Sintering, Computational Science 》

*Hidehiko AOKI¹, Sota TERASAKA^2,5, Shuji MATSUMOTO³, Masayuki TAKADA⁴, Hideaki MATSUBARA^2,5 (1. ASIM Co., LTD., 2. Japan Fine Ceramics Center, 3. Murata Manufacturing Co. LTD., 4. Nippon Tokushu Goukin Co. LTD., 5. Graduate Schools of Environmental Studies Tohoku University)

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