Zobrazeno 1 - 10
of 386
pro vyhledávání: '"Hiroaki Kumakura"'
Autor:
Dipak Patel, Akiyoshi Matsumoto, Hiroaki Kumakura, Yuka Hara, Toru Hara, Minoru Maeda, Hao Liang, Yusuke Yamauchi, Seyong Choi, Jung Ho Kim, Md Shahriar A. Hossain
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 1, Pp 159-170 (2024)
The development of superconducting joining technology for reacted magnesium diboride (MgB2) conductors remains a critical challenge for the advancement of cryogen-free MgB2-based magnets for magnetic resonance imaging (MRI). Herein, the fabrication o
Externí odkaz:
https://doaj.org/article/400aa61e08ba486cac9c45b483d3aa90
Publikováno v:
Sensors, Vol 18, Iss 11, p 3694 (2018)
Recently, a project was initiated in Japan to transport a large amount of liquid hydrogen (LH2) from Australia to Japan by sea. It is important to understand the sloshing and boil-off that are likely to occur inside an LH2 tank during marine transpor
Externí odkaz:
https://doaj.org/article/b909195843e04518be730ea9eea74b65
Autor:
Hideo Hosono, Keiichi Tanabe, Eiji Takayama-Muromachi, Hiroshi Kageyama, Shoji Yamanaka, Hiroaki Kumakura, Minoru Nohara, Hidenori Hiramatsu, Satoru Fujitsu
Publikováno v:
Science and Technology of Advanced Materials, Vol 16, Iss 3 (2015)
This review shows the highlights of a 4-year-long research project supported by the Japanese Government to explore new superconducting materials and relevant functional materials. The project found several tens of new superconductors by examining ∼
Externí odkaz:
https://doaj.org/article/908f6bce48c943aaa571266324f95bb1
Autor:
Dipak Patel, Akiyoshi Matsumoto, Hiroaki Kumakura, Minoru Maeda, Su-Hun Kim, Hao Liang, Yusuke Yamauchi, Seyong Choi, Jung Ho Kim, Md. Shahriar A. Hossain
Publikováno v:
ACS Applied Materials & Interfaces. 14:3418-3426
Autor:
Seyong Choi, Yuka Hara, Taku Moronaga, Hiroaki Kumakura, Md. Shahriar A. Hossain, Jung Ho Kim, Toru Hara, Yusuke Yamauchi, Dipak Patel, Minoru Maeda, Akiyoshi Matsumoto
Publikováno v:
ACS Applied Materials & Interfaces. 13:3349-3357
A superconducting joint of unreacted monofilament internal magnesium diffusion-processed magnesium diboride (MgB) wires was fabricated by exploiting the phenomenon of magnesium diffusion into the boron layer inside the superconducting joint. Unpreced
Autor:
Dipak, Patel, Akiyoshi, Matsumoto, Hiroaki, Kumakura, Minoru, Maeda, Su-Hun, Kim, Hao, Liang, Yusuke, Yamauchi, Seyong, Choi, Jung Ho, Kim, Md Shahriar A, Hossain
Publikováno v:
ACS applied materialsinterfaces. 14(2)
A superconducting joint architecture to join unreacted carbon-doped multifilament magnesium diboride (MgB
Autor:
Minoru Maeda, Dipak Patel, Seyong Choi, Su-Hun Kim, Gen Nishijima, Akiyoshi Matsumoto, Hiroaki Kumakura
Publikováno v:
Ceramics International. 46:21752-21756
Structural disorder within grains formed by carbon doping is widely known to enhance the in-field transport critical current performance of MgB2 wire. The structural formation usually requires high-temperature sintering above 600 °C due to low react
Autor:
Gen Nishijima, Minoru Maeda, Seyong Choi, Dipak Patel, Hiroaki Kumakura, Su-Hun Kim, Jung Ho Kim, Akiyoshi Matsumoto
Publikováno v:
Scripta Materialia. 178:198-202
We report an ultra-low resistance superconducting joint using unreacted multifilament MgB2 wires produced by tailoring the powder compaction pressure within the joint with heat treatment conditions. The joint demonstrated an ultra-low resistance of 5
Publikováno v:
Industrial & Engineering Chemistry Research. 57:13753-13758
LiFePO4 (LFP) as a cathode material for lithium-ion batteries (LIBs) requires the application of carbon composite to compensate its poor electrical conductivity. Thus, it is important to develop an efficient and cost-effective carbon composite proces
Autor:
Seyong Choi, Su-Hun Kim, Wenbin Qiu, Minoru Maeda, Akiyoshi Matsumoto, Gen Nishijima, Dipakkumar Patel, Hiroaki Kumakura, Jung Ho Kim
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-7 (2019)
Scientific Reports, Vol 9, Iss 1, Pp 1-7 (2019)
Superconducting joints are essential for persistent-mode operation in a superconducting magnet system to produce an ultra-stable magnetic field. Herein, we report rationally designed niobium-titanium (Nb-Ti) superconducting joints and their evaluatio