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Dive into the research topics where Hiroaki Masui is active.

Publication


Featured researches published by Hiroaki Masui.


Journal of Applied Physics | 1999

Structure and formation process of the glass film on grain-oriented silicon steel using aluminum nitride as an inhibitor

Hiroyasu Fujii; Shuichi Yamazaki; Hiroaki Masui; Morio Shiozaki; Takeo Nagashima; Hisashi Kobayashi

The oxide film formed during secondary recrystallization annealing of grain-oriented 3% Si steel using aluminum nitride as an inhibitor was investigated by x-ray diffraction analysis (XRD), glow discharge optical emission spectrometry (GD-OES), and quantitative chemical analysis (CA) in order to clarify the structure and the formation process. Spinel (MgAl2O4) was identified in addition to forsterite (Mg2SiO4) by XRD. From the consideration on the basis of the element distribution of Mg, Si, Al in the glass film and the quantitative correlation between the amount of spinel and that of forsterite, it was concluded that spinel was formed by the substitution reaction of Si in forsterite film for Al generated by decomposition of AIN.


Archive | 1992

Grain oriented silicon steel sheet having excellent primary film properties

Hiroaki Masui; Morio Shiozaki; Nobuyuki Takahashi; Hisashi Kabayashi; Takeo Nagashima; Shuichi Yamazaki; Hiroyasu Fujii


Archive | 1993

Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same

Osamu Tanaka; Hiroaki Masui; Hotaka Honma; Katsuro Kuroki; Tsutomu Haratani; Yoichi Mishima; Maremizu Ishibashi; Yoshio Nakamura


Archive | 1993

Grain oriented silicon steel sheet having low core loss and method of manufacturing same

Shuichi Yamazaki; Hiroyasu Fujii; Takeo Nagashima; Yoshiyuki Ushigami; Osamu Tanaka; Katsurou Kuroki; Hiroaki Masui


Archive | 1992

Unidirectional silicon steel sheet having excellent film properties

Hiroaki Masui; Morio Shiozaki; Nobuyuki Takahashi; Hisashi Kobayashi; Takeo Nagashima; Syuichi Yamazaki; Hiroyasu Fujii


Archive | 2008

Tentative Simulation of Crystal Rotation for NaCl Structures

Hiroaki Masui


Archive | 2008

Influence of Taylor Factor M on Recrystallization of The Cube and Cube‐Family Grains in FCC Metal

Hiroaki Masui


Archive | 1993

A grain-oriented silicon steel sheet having low iron loss and manufacturing processes

Shuichi Yamazaki; Hiroyasu Fujii; Takeo Nagashima; Yoshiyuki Ushigami; Osamu Tanaka; Katsurou Kuroki; Hiroaki Masui


Archive | 1993

Production of mirror finished grain oriented silicon steel sheet with superior film adhesion

Hiroyasu Fujii; Katsuro Kuroki; Hiroaki Masui; Takeo Nagashima; Yozo Suga; Nobuyuki Takahashi; Yoshiyuki Ushigami; Shuichi Yamazaki; 浩昭 増井; 修一 山崎; 義行 牛神; 洋三 菅; 浩康 藤井; 武雄 長島; 延幸 高橋; 克郎 黒木


Archive | 1993

Kornorientiertes Siliziumstahlblech mit geringen Eisenverlusten und Herstellungsverfahren Grain-oriented silicon steel sheet with low iron losses and manufacturing processes

Shuichi Yamazaki; Hiroyasu Fujii; Takeo Nagashima; Yoshiyuki Ushigami; Osamu Tanaka; Katsurou Kuroki; Hiroaki Masui

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Nobuyuki Takahashi

Tokyo Institute of Technology

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