Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMD |
2024-03-01 15:00 |
Chiba |
|
Effect of magnets on arc discharge at low DC voltage Yuki Yokohari, Ryo Watanabe, Kiyoshi Yoshida, Koichiro Sawa (NIT) EMD2023-44 |
In this study, we conducted experiments using a device that opens electrical contacts at a constant speed. Previous stud... [more] |
EMD2023-44 pp.30-35 |
EMD |
2023-12-22 13:00 |
Tochigi |
Teikyo University |
Collision-less Magnetic Pulse Welding Experiments of Sheet Metals Using Multi-Turn Flat Coil Tomokatsu Aizawa (Metropolitan College of Technology) EMD2023-32 |
Experimental results of collision-less magnetic pulse welding for Al/Cu or Al/Al sheets have already been reported using... [more] |
EMD2023-32 pp.1-6 |
LQE, OPE, CPM, EMD, R |
2023-08-25 14:15 |
Miyagi |
Tohoku university (Primary: On-site, Secondary: Online) |
Soldering Method of 10-Turn Flat Coil Plates for Magnetic Pulse Welding of Al/Cu Sheets Tomokatsu Aizawa (Metropolitan College of Technology) R2023-35 EMD2023-30 CPM2023-40 OPE2023-79 LQE2023-26 |
When overlapping Al/Cu sheets (0.5 mm thick) were fixed on a 10-turn flat coil and magnetic pulse welding was performed,... [more] |
R2023-35 EMD2023-30 CPM2023-40 OPE2023-79 LQE2023-26 pp.95-100 |
WPT, EMCJ, EMD (Joint) |
2023-07-21 14:10 |
Tokyo |
(Primary: On-site, Secondary: Online) |
The reason why magnetic pulse welding of Al/Cu sheets in close contact can be performed without collision. Tomokatsu Aizawa (Metropolitan College of Technology) EMD2023-10 |
We have already reported experimental results of magnetic pulse welding of Al/Cu sheets in close contact without collisi... [more] |
EMD2023-10 pp.1-6 |
MRIS, IEE-MAG |
2023-03-03 13:55 |
Online |
Online |
Development of a small apparatus for practical calibration of heat flux sensors Megumi Akoshima, Akio Hukushima, Kei Yakushiji (AIST) MRIS2022-29 |
Heat flux sensors are useful tools that can detect the direction and amount of heat flow passing through the sensor. Sin... [more] |
MRIS2022-29 pp.7-9 |
R, EMD |
2022-02-10 15:10 |
Online |
Online |
Magnetic Pulse Welding of Al/Cu Sheets Using 10-Turn Flat Coil Tomokatsu Aizawa (Tokyo Metropolitan College) R2021-44 EMD2021-12 |
This magnetic pulse welding can electrically connect Al sheet and Cu sheet at low temperature with high quality. Welding... [more] |
R2021-44 EMD2021-12 pp.6-11 |
EMCJ, EMD, WPT (Joint) |
2021-07-02 13:55 |
Online |
Online |
Comparison of discharge circuits for magnetic pulse welding using 1, 5 and 10 turn flat coils Aizawa Tomokatsu (Tokyo Metropolitan College) EMD2021-1 |
The discharge circuits for magnetic pulse welding of sheet metals using 1, 5 and 10 turn flat coils will have tens of ti... [more] |
EMD2021-1 pp.1-6 |
EMCJ |
2021-06-11 15:55 |
Online |
Online |
Characteristics of intermediate frequency(IF) electromagnetic fields(EMF) from an acousto-magnetic(AM) EAS system used in stores and the assessment of its human exposure Kaoru Esaki (TMU), Miwa Ikuyo (NICT), Yuka Imaoka, Atsuko Aimoto, Yukihisa Suzuki, Masao Taki (TMU), Noriko Kojimahara (S-SPH), Kanako Wake (NICT), Kenichi Yamazaki (CRIEPI) EMCJ2021-16 |
This study investigates the characteristics of magnetic fields from acousto-magnetic (AM) type electromagnetic article s... [more] |
EMCJ2021-16 pp.28-33 |
EMCJ, EMD, WPT (Joint) [detail] |
2020-07-03 15:00 |
Online |
Online |
High-speed mechanical crowbar switch used in discharge circuit for magnetic pulse welding of sheet metals
-- Withstand voltage about 6kV, operation time about 8μs -- Tomokatsu Aizawa, Kazuo Matsuzawa, Yuki Akedo (Tokyo Metropolitan College) EMD2020-1 |
This high-speed mechanical switch consists of two sets of small Al contact sheets (2 pieces). The withstand voltage of t... [more] |
EMD2020-1 pp.1-6 |
EMD |
2020-03-06 16:35 |
Chiba |
CHIBA Institute of Technology Tsudanuma Campus (Cancelled but technical report was issued) |
Influence of Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge Hiroki Yamauchi, Hayato Watanabe, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-71 |
The arc duration time ta and the arc energy Ea when a magnetic flux was applied to the electrical contact were measured.... [more] |
EMD2019-71 pp.61-64 |
EMD |
2019-12-13 14:35 |
Tokyo |
|
Dependence of arc length just before arc extinction on magnetic flux density when break arcs are blown-out in a 48VDC/50A-200A resistive circuit Kenshi Hamamoto, Junya Sekikawa (Shizuoka Univ.) EMD2019-43 |
Break arcs were generated in a 48VDC resistive circuit and blown-out by transverse magnetic field. Circuit current when ... [more] |
EMD2019-43 pp.1-6 |
EE, OME, CPM |
2019-11-26 15:15 |
Tokyo |
Japan Society for the Promotiton of Machine Industry |
Investigation of DC Biased Magnetization Effect for Integrated Magnetic Components Used in DC-DC Converters Qiang Lin, Shuaitao Zhang, Baihua Zhang (Kyushu Univ.), Jun Imaoka (Nagoya Univ.), Masahito Shoyama (Kyushu Univ.) EE2019-46 CPM2019-88 OME2019-32 |
High step-up converters have been widely used in renewable energy systems and automotive applications. In these applicat... [more] |
EE2019-46 CPM2019-88 OME2019-32 pp.57-62 |
EMD |
2019-11-15 13:05 |
Tokyo |
The University of Electro-Communications |
Magnetic pulse welding method: Discharge current commutates to collision part of Al/Cu sheets Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2019-39 |
In this report, magnetic pulse welding is started by rapidly flowing a damped oscillating discharge current from a capac... [more] |
EMD2019-39 pp.1-4 |
EMD |
2019-10-18 13:05 |
Ibaraki |
|
Magnetic pulse welding method commutating discharge current to collision part of Al/Cu sheets (2nd Peport) Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2019-36 |
In this report, magnetic pulse welding is performed by rapidly flowing a damped-oscillating discharge current from a cap... [more] |
EMD2019-36 pp.1-6 |
AP |
2019-06-20 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
What is the E=mc^2 ?
-- Derivation of the relationship between energy and mass -- Naohisa Goto (Tokyo Tech) AP2019-15 |
Electromagnetic waves incident upon a metal plate produce currents on its surface. Then the metal plate is pressed to th... [more] |
AP2019-15 pp.1-6 |
EMD |
2019-06-14 16:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Magnetic pulse welding method commutating discharge current to collision part of Al/Cu sheets Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2019-7 |
In this report, magnetic pulse welding is performed by rapidly flowing a discharge current from a capacitor bank to an i... [more] |
EMD2019-7 pp.1-6 |
EMD |
2019-05-17 14:00 |
Miyagi |
Cyberscience Center, Tohoku University |
Proposal of High Speed Mechanical Switch for Commutation of Discharge Current in Magnetic Pulse Welding of Sheet Metals Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2019-2 |
In this report, magnetic pulse welding is done by rapidly flowing a large discharge current from a capacitor bank to an ... [more] |
EMD2019-2 pp.7-11 |
EMD |
2019-03-01 14:45 |
Tokyo |
|
Influence of current and magnetic flux density on magnetic blow-out on arc discharge at breaking of electrical contacts Mano Kenta, Koichiro Sawa, KIyoshi Yoshida (NIT) EMD2018-69 |
Recently, applications using DC high voltage are increasing. In the DC circuit, there is a method called "magnetic blow-... [more] |
EMD2018-69 pp.53-57 |
EMD |
2019-01-18 15:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Simulation of magnetic pulse welding of Al/Cu sheets using 10 and 20-turn flat coils Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2018-51 |
Magnetic pulse welding of Al/Cu sheets is performed by flowing a discharge current from a capacitor bank to a flat coil ... [more] |
EMD2018-51 pp.17-22 |
ICD, CPSY, CAS |
2018-12-21 14:10 |
Okinawa |
|
DC Magnetic Field Based Localization with Single Anchor Coil Ryo Shirai, Pei Hao Chen, Ryohei Shimizu, Masanori Hashimoto (Osaka Univ.) CAS2018-80 ICD2018-64 CPSY2018-46 |
In this paper, we propose a DC magnetic field based indoor localization method with a single anchor coil. The proposed m... [more] |
CAS2018-80 ICD2018-64 CPSY2018-46 pp.11-14 |