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Hidetoshi Miyata, Hayata Takashima, Takeshi Inoue, Akihiro Torii, Sugu ...
Pages
387
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Hayata Takashima, Takeshi Inoue, Hidetoshi Miyata, Akihiro Torii, Sugu ...
Pages
388
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Takeshi Inoue, Hayata Takashima, Hidetoshi Miyata, Akihiro Torii, Sugu ...
Pages
389
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Tatsuki Sasamura, Takeshi Morita
Pages
390-391
Published: August 31, 2023
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Keigo Oyamada
Pages
392-393
Published: August 31, 2023
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Hibiki Arai, Shinichi Fukushige
Pages
394-395
Published: August 31, 2023
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Tomoyuki Tamura, Ryota Odagaki, Yusuke Kishita, Yasushi Umeda, Gaku Mi ...
Pages
396-397
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Soichiro Nakaya, Toshiki Hirogaki, Eiichi Aoyama, Masao Nakagawa, Hiro ...
Pages
398-399
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Yasuhiro Tani, Okiharu Kirino, Yuji Kawahata, Daisuke Manabe, Fumihiro ...
Pages
400-401
Published: August 31, 2023
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Yiming Su, Satoshi Sakamoto
Pages
402-403
Published: August 31, 2023
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Yuma Ina, Hitoshi Suwabe, Keniti Ishikawa
Pages
404-405
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Kazuma Ogami, Hitoshi Suwabe, Ken-ichi Ishikawa
Pages
406-407
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Taichi Ueda, Toshiki Hirogaki, Eiichi Aoyama
Pages
408-409
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Keisuke Suzuki, Hiroaki Iura, Jyunpei Takeiri, Taisuke Hantani, Masaki ...
Pages
410-411
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Daisaku Ishibashi, Akihiro Minami, Akira Shinozaki
Pages
412-413
Published: August 31, 2023
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Akira Shinozaki, Daisaku Ishibashi, Masahiro Nakashima, Koji Akashi
Pages
414-415
Published: August 31, 2023
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Yasuo Kondo, Tatsuki Ono
Pages
416-417
Published: August 31, 2023
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A simple and practical skill training system was prototyped using Raspberry Pi. The method of displaying the data “visualized” in the skill training system had a significant impact on the accuracy and stability of the work. The training method that utilized the visualized data was more effective than the training method that gave verbal instructions, and the reproducibility and stability of the work were improved. In addition, it was found that it is possible to acquire the work in a short and efficient time by training while displaying the results of the work in real time compared to the model data.
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Masahiko Jin, Souma Fukuda, Ken-ichi Hoshi
Pages
418-419
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Tadakazu Miyashita
Pages
420-421
Published: August 31, 2023
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Learn from polishing of bronze mirrors
Junichi Ikeno, Katuya Nagai, Ayato Sasanuma, Youhei Yamada
Pages
422-423
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Masaaki Matsuzawa, shiro Torizuka, Junichi Ikeno
Pages
424
Published: August 31, 2023
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Nanoimprint case
Jun Taniguchi
Pages
425-426
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Transfer technology using a mold has been used in a wide variety of ways for a long time. Here, we discuss the history and precision and resolution of nanoimprint technology, which is the most advanced technology. This technology used in production, and it is important to organize this technology system.
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Kosei Toyoda, Shigehiko Sakamoto, Hideharu Kato, Yoshitaka Morimoto, A ...
Pages
427-428
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Rintaro Yoshida, Shizuki Shimoyama, Nobuhide Itoh, Katsuhumi Inazawa, ...
Pages
429-430
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Satsuki Ito, Nobuhide Itoh, Hitoshi Ohmori, Katsufumi Inazawa
Pages
431-432
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Xin He, Weimin Lin, Kentaro Imai
Pages
433-434
Published: August 31, 2023
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Shinji Ochi
Pages
435-436
Published: August 31, 2023
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Sho Yano, Shun Yoshida, Keiichi Ninomiya, Mizuho Nakamura, Akira Kakim ...
Pages
437-438
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Tokihisa Iida, Toshihiko Koga, Takuya Matsumoto, Keiichi Ninomiya, Tom ...
Pages
439-440
Published: August 31, 2023
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Experimental investigation using machine model
Jumpei Kusuyama, Yohichi Nakao
Pages
441-442
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Takumi Noda, Seiichi Takamatsu, Michitaka Yamamoto, Takashi Azuma, Tos ...
Pages
443-444
Published: August 31, 2023
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Naoto Tomita, Michitaka Yamamoto, Seiichi Takamatsu, Toshihiro Itoh
Pages
445-446
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Yasushi Oshikane, Yume Fujita
Pages
447-448
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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For the purpose of oral care, especially for dental cavity preventation, we have conducted verification experiments for adequate generation of hydroxyl rdical (OH) in aqueous solution by catalytic reaction at hte surface of energized titanium dioxide (TiO2) rod. (1) Further study in detection of OH radicals by chemical probe technique with terephthalic acid (C6H4(COOH)2) will be reported. (2) Degradation reaction of lactic acid (CH3CH(OH)COOH), as an organic matter decomposition caused by OH, have been observed temporally as pH value change of the solution monitored by glass electrode method (pH-meter). Lactic acid generated by mutans streptococcus usually leads to a cavity.
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Genta Nakaue, Motoki Nabata, Daisetsu Toh, Jumpei Yamada, Kazuto Yamau ...
Pages
449-450
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Katsuma Yamazaki, Atsuki Tsuji, Junji Murata
Pages
451
Published: August 31, 2023
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Hiroshi Tanaka, Daisuke Kawaguchi
Pages
452
Published: August 31, 2023
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The Effects of Ultrasonic Agitation
Unkai SATO, Hideki KAWAKUBO
Pages
453-454
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Texture area density and sliding speed
Ryuta Koakutsu, Takeyuki Yamamoto, Jun Shimizu, Kazuki Kaneko, Libo Zh ...
Pages
455-456
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Tomotaka Matsunami, Go Kado, Takeshi Nakamoto
Pages
457-458
Published: August 31, 2023
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Linjun An, Ichiro Ogura, Kiwamu Ashida, Hiroshi Yabuno
Pages
459-460
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Using the self-excited microcantilever within the atomic force microscope (AFM), enhanced with a diamond, for cutting has been proven to be a powerful method for fabrication in micro/nano-scales. The cutting amount could be controlled by the magnitude of the steady-state amplitude of the microcantilever. In this research, to explain the mechanism of this control method, the movement of the diamond during the cutting process is observed by analyzing the vibration mode shapes of the microcantilever under different amplitudes. Setting a series of measurement points on the entire microcantilever at equal intervals, the shapes of the vibration mode could be approximated through the displacement of each point. Under lower pressing loads, the microcantilever’s tip taps the workpiece, as the pressing load surpasses a threshold, the tip becomes pressed on the workpiece. We investigate the situation when the tip is pressed on the workpiece. We consider that varying steady-state amplitudes enable the diamond to rub the workpiece in different magnitudes of rotation, resulting in different cutting amounts. Thus, we approximately quantify the deflection angles of the tip under different amplitudes and find that the depth of the cutting holes is very related to the magnitude of the deflection angles’ amplitudes.
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Yu Tobuchi, Tatsuya Sugihara, Toshiyuki Enomoto
Pages
461-462
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Ayumu Miyata, Miyuka Kouno, Hirofumi Kawamura, Souta Matsusaka, Hirofu ...
Pages
463-464
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Kazunori Baba, Miyuka Kono, Syou Itou, Souta Matusaka, Hirohumi Hidai
Pages
465-466
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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ZHONGQI CUI, SHUOHAN WANG, Fuminobu Kimura, Yusuke Kajihara
Pages
467-468
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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In the automotive and aircraft industries, efficient hybrid joining methods are required to join metals and plastics. Injection Molded Direct Joining (IMDJ) is a direct joining technology that uses metal pretreatment and plastic injection molding to form the joint without the use of any additional parts. Blasting can be easily introduced into production in terms of cost, productivity and environmental impact in the injection molded direct joining method. This study aims to analyze the surface profile parameters under blasting conditions, use the least square method to fit, find the parameters most correlated with the strength, and predict the strength.
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Weiyan Chen, Fuminobu Kimura, Yusuke Kajihara
Pages
469-470
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Carbon fiber reinforced thermoplastic (CFRTP) is increasingly used in automobile industry due to its excellent mechanical properties and recyclability. Therefore, the direct joining between CFRTP and steel has become significant. Due to the occurrence of fiber breakage, continuous CFRTP is not applicable to injection molded direct joining technique, which is an efficient metal-polymer joining method. In this study, we proposed a novel suitable method to achieve the galvanized steel (GS)-CFRTP hybrid structures, which is called induction heating direct joining (IHDJ). IHDJ mainly contains two steps: metal surface pretreatment and heating metal part via electromagnetic induction to make polymer part melt and flow into the metal surface structures to form joints. We proposed this method because it has many advantages such as high efficiency, low cost and little damage to joining parts. The objective of this study is to confirm the feasibility of obtaining CFRTP-GS joints via IHDJ. The joining strength was examined by tensile-shear test, and the effects of induction heating conditions on the joining strength were investigated. The results showed that the GS-CFRTP hybrid joining was successfully achieved using IHDJ. A joining strength of 38.0 MPa was obtained with the optimized joining condition in this study.
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Ryuji Yamasaki, Rei Kobayashi, Masahiko Yoshino
Pages
471-472
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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The development of a light trapping substrate is being pursued. This technology captures microparticles by the optical tweezer effect, utilizing the phenomenon where an electric field concentrates when light is illuminated on micro-structured metal surfaces. The electric field distribution generated near the micro-structures by the incident light is analyzed using the finite element method for electromagnetic fields. Then, Bayesian optimization, a type of machine learning method, is used to identify the micro-structure that maximizes electric field enhancement. Once identified, this micro-structure is created on an aluminum plate, with the possibility of optical trapping demonstrated by the velocity change of microparticles in a solution that was dropped onto the surface.
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Hirotaka Oya, Keisuke Nagato, Morio Tomizawa, Akihisa Tanaka, Hideto K ...
Pages
473-474
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Hideo Shibutani, Tomoya Taguchi, Jun-ichi Saito, Asuka Ikeda, Yohei Ko ...
Pages
475-476
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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Akio Tamura, Yee Cheng Yeh, Junhui Lu, Wenju Chi, Mengxia Long
Pages
477
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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3D printing has been rapidly developed and well accepted in researches and different industries. However, obvious drawbacks of current technologies still inhibit its further application and hence commercialization. Among them, resolution is one of the most mentioned concerns. PµSL technology, with ground-breaking resolution, has been increasingly applied in different fields.PµSL’s 2μm- and 10μm-resolution can achieve respectively ±10μm and ±25μm tolerance. With the help of the patent-protected “stitching” mode, PµSL can broaden its build size up to 100mm×100mm×75mm, allowing for manufacturing of cross-dimension parts with both practical size and sophisticated micro details simultaneously. PµSL has proved its superiority in fabrication of micro lattices, micro needles, microfluidics, parts with strict tolerance, and parts which are difficult for traditional methods to produce.Compared to injection molding and machining, PµSL substantially reduces the cost and shorten the lead time, by avoiding the mold fabrication or complicated initial programming. Furthermore, as a novel and unique technology, PµSL has stimulated some break-throughs in emerging industries.This report provides some typical case studies of PµSL’s applications in both academic and industrial prototyping, as well as the up-to-date progress of its application in an end-product (ceramic dental veneer).
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Naru Hasegawa, Taketo Miura, Yudai Uchiyama, Dong Wei
Pages
478-479
Published: August 31, 2023
Released on J-STAGE: February 29, 2024
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