Hiroaki Kumakura - Publications, H-index & Citations

Hiroaki Kumakura

national institute for materials science

49H指数

616论文数

1.1W被引数

收录论文 109

发表时间

Superconducting joints using reacted multifilament MgB2 wires: A technology toward cryogen-free MRI magnets 使用反应过的多丝MgB2导线的超导接头: 一种无冷冻剂MRI磁体的技术

JOURNAL OF MAGNESIUM AND ALLOYS

IF13.8

2024-01-01

OAAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Hara, Yuka; Hara, Toru; Maeda, Minoru; Liang, Hao; Yamauchi, Yusuke; Choi, Seyong; Kim, Jung Ho; Hossain, Md Shahriar A.

MgB2 Superconducting Joint Architecture with the Functionality to Screen External Magnetic Fields for MRI Magnet Applications

ACS APPLIED MATERIALS & INTERFACES

IF8.2

2022-01-05

PREAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Maeda, Minoru; Kim, Su-Hun; Liang, Hao; Yamauchi, Yusuke; Choi, Seyong; Kim, Jung Ho; Hossain, Md Shahriar A.

Superconducting joints using multifilament MgB2 wires for MRI application

SCRIPTA MATERIALIA

IF5.6

2021-11-01

PREAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Maeda, Minoru; Kim, Sun-Hu; Liang, Hao; Yamauchi, Yusuke; Choi, Seyong; Kim, Jung Ho; Hossain, Md Shahriar A.

Evaluation and control of residual amorphous phases in carbon-doped MgB2 superconductors

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2021-05-01

PREAI

Choi, Seyong; Patel, Dipak; Kim, Jung Ho; Kumakura, Hiroaki; Matsumoto, Akiyoshi; Nishijima, Gen; Kim, Su-Hun; Joo, Jinho; Maeda, Minoru

Superconducting Joining Concept for Internal Magnesium Diffusion-Processed Magnesium Diboride Wires

ACS APPLIED MATERIALS & INTERFACES

IF8.2

2021-01-05

PREAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Moronaga, Taku; Hara, Yuka; Hara, Toru; Maeda, Minoru; Hossain, Md Shahriar A.; Yamauchi, Yusuke; Choi, Seyong; Kim, Jung Ho

Influence of out-of-plane disorder formed by low-temperature sintering on carbohydrate-doped MgB2 wire 低温烧结形成的平面外无序对碳水化合物掺杂的MgB2线的影响

CERAMICS INTERNATIONAL

IF5.6

2020-09-01

PREAI

Maeda, Minoru; Patel, Dipak; Kumakura, Hiroaki; Nishijima, Gen; Matsumoto, Akiyoshi; Kim, Su-Hun; Choi, Seyong

Scanning Hall-probe microscopy for site-specific observation of microstructure in superconducting wires and tapes for the clarification of their performance bottlenecks

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2020-05-11

OAAI

Higashikawa, Kohei; Inoue, Masayoshi; Ye, Shujun; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Yoshida, Ryuji; Kato, Takeharu; Machi, Takato; Ibi, Akira; Izumi, Teruo; Kiss, Takanobu

Tailored joint fabrication process derived ultra-low resistance MgB2 superconducting joint

SCRIPTA MATERIALIA

IF5.6

2020-03-01

OAAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Nishijima, Gen; Maeda, Minoru; Kim, Su-Hun; Choi, Seyong; Kim, Jung Ho

MgB2 for MRI applications: dual sintering induced performance variations in in situ and IMD processed MgB2 conductors

JOURNAL OF MATERIALS CHEMISTRY C

IF5.1

2020-01-01

PREAI

Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Maeda, Minoru; Kim, Su-Hun; Al Hossain, Md Shahriar; Choi, Seyong; Kim, Jung Ho

Niobium-titanium (Nb-Ti) superconducting joints for persistent-mode operation 用于持久模式操作的铌-钛 (nb-ti) 超导接头

SCIENTIFIC REPORTS

IF3.9

2019-10-03

OAAI

Patel, Dipak; Kim, Su-Hun; Qiu, Wenbin; Maeda, Minoru; Matsumoto, Akiyoshi; Nishijima, Gen; Kumakura, Hiroaki; Choi, Seyong; Kim, Jung Ho

Significant improvement in superconducting properties of in situ powder-in-tube MgB2 wires through anthracene doping and heat treatment optimization

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2019-08-21

PREAI

Li, Chunyan; Suo, Hongli; Ma, Lin; Yang, Liangqun; Maeda, Minoru; Patel, Dipak; Matsumoto, Akiyoshi; Kumakura, Hiroaki

Sloshing Measurements inside a Liquid Hydrogen Tank with External-Heating-Type MgB2 Level Sensors during Marine Transportation by the Training Ship Fukae-Maru

SENSORS

IF3.5

2018-10-30

OAAI

Maekawa, Kazuma; Takeda, Minoru; Miyake, Yuuki; Kumakura, Hiroaki

Solventless Synthesis of Core-Shell LiFePO4/Carbon Composite for Lithium-Ion Battery Cathodes by Direct Pyrolysis of Coronene

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

IF3.9

2018-09-21

PREAI

Ye, Shujun; Yasukawa, Eiki; Song, Minghui; Nomura, Akihiro; Kumakura, Hiroaki; Kubo, Yoshimi

Infiltration behavior of molten Mg and its influence on microstructural evolution in SiC-doped MgB2 wires prepared by internal Mg diffusion process

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2018-04-01

PREAI

Shimada, Yusuke; Hata, Satoshi; Ikeda, Ken-ichi; Nakashima, Hideharu; Matsumoto, Akiyoshi; Togano, Kazumasa; Kumakura, Hiroaki

Transport current density at temperatures up to 25K of Cu/Ag composite sheathed 122-type tapes and wires

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2017-10-02

PREAI

Liu, Shifa; Lin, Kaili; Yao, Chao; Zhang, Xianping; Dong, Chiheng; Wang, Dongliang; Awaji, Satoshi; Kumakura, Hiroaki; Ma, Yanwei

High transport JC in stainless steel/Ag-Sn double sheathed Ba122 tapes

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2017-08-14

PREAI

Gao, Zhaoshun; Togano, Kazumasa; Zhang, Yunchao; Matsumoto, Akiyoshi; Kikuchi, Akihiro; Kumakura, Hiroaki

Improvement in microstructure and superconducting properties of single-filament powder-in-tube MgB2 wires by cold working with a swaging machine

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2017-05-16

PREAI

Saito, Yusuke; Murakami, Masato; Matsumoto, Akiyoshi; Kumakura, Hiroaki

Fabrication of (Ba,K)Fe2As2 tapes by ex situ PIT process using Ag-Sn alloy single sheath

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2016-11-15

PREAI

Togano, K.; Gao, Z.; Matsumoto, A.; Kikuchi, A.; Kumakura, H.

The development of MgB2 superconducting wires fabricated with an internal Mg diffusion (IMD) process

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2016-10-17

PREAI

Ye, Shujun; Kumakura, Hiroaki

Electromagnetic properties and microstructures of in situ MgB2 wires made from three types of boron powders

SUPERCONDUCTOR SCIENCE & TECHNOLOGY

IF4.2

2016-09-15

PREAI

Kodama, Motomune; Kotaki, Hiroshi; Yamamoto, Hiroyuki; Iwane, Tomohiro; Tanaka, Kazuhide; Tanaka, Hideki; Okishiro, Kenji; Okamoto, Kazutaka; Nishijima, Gen; Matsumoto, Akiyoshi; Kumakura, Hiroaki; Yamamoto, Akiyasu; Shimoyama, Jun-ichi; Kishio, Kohji

研究方向