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Dive into the research topics where Junji Nakashima is active.

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Featured researches published by Junji Nakashima.


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1993

Theoretical analysis of the suppression of solidification shrinkage flow in continuously cast steel blooms

S. Sugimaru; Junji Nakashima; Kenichi Miyazawa; Shigeaki Ogibayashi

Abstract Theoretical estimation of the reduction of solidifying strand in the continuous casting of steels is very important for precise control of the centre segregation for various steels. In this study, the squeezing phenomenon in continuously cast steel blooms has been theoretically analysed by taking enrichment of solute elements into consideration to elucidate an optimum condition for suppressing the solidification shrinkage flow of high carbon steels. It has been found that the effect of carbon content on the squeezing conditions of the mushy zone is relatively small, although the solidification profile becomes longer with the increase in carbon content.


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2007

Improvement of Transition Part of Slab Surface Cleanliness with In-mold Electromagnetic Stirring

Junji Nakashima; Jun Fukuda; Akihito Kiyose; Toshiaki Kawase; Yasuhiko Ohtani; Masahiro Doki; Keisuke Fujisaki


Archive | 2011

Continuous casting device for steel

Takehiko Toh; 藤 健彦; Junji Nakashima; 中島 潤二; Yasuo Maruki; 保雄 丸木; Norimasa Yamasaki; 伯公 山崎; Keiji Tsunenari; 敬二 恒成; Kenji Umetsu; 健司 梅津


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1991

Development of Direct Analysis Method for Molten Steel with Ultra Fine Particle Generation-ICP Emission Spectrometry

Junji Nakashima; Ryoji Tsujino; Shigeaki Ogibayashi; Masazumi Hirai; Harumi Ninbe; Akihiro Ono; Yasuhiro Hayakawa


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 1990

Production Technology of High Purity Steel for High Class Line Pipes and Cold Sheets

Ryoji Tsujino; Masamichi Kojima; Koichi Endo; Mayumi Okimori; Jun Ogura; Junji Nakashima


Archive | 2017

dispositivo de lingotamento contínuo para aço

Junji Nakashima; Keiji Tsunenari; Kenji Umetsu; Norimasa Yamasaki; Takehiko Toh; Yasuo Maruki


Archive | 2011

Dispositif de coulée continue pour acier

Takehiko Toh; 藤 健彦; Junji Nakashima; 中島 潤二; Yasuo Maruki; 保雄 丸木; Norimasa Yamasaki; 伯公 山崎; Keiji Tsunenari; 敬二 恒成; Kenji Umetsu; 健司 梅津


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2010

Viscosity of iron oxides containing multicomponent slags

Sohei Sukenaga; Tetsuya Nagahisa; Yoshiaki Gonda; Noritaka Saito; Junji Nakashima; Kunihiko Nakashima


4th International Congress on the Science and Technology of Steelmaking, ICS 2008 | 2008

Viscosity of steel-making slag containing iron oxide

Sohei Sukenaga; Noritaka Saito; Junji Nakashima; Kunihiko Nakashima


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2007

Origin of Nonmetallic Inclusions in Ladle Transition part of Continuously Cast Slabs

Junji Nakashima; Kenichi Miyazawa; Kouichi Imoto; Takashi Hiromatsu

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