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Featured researches published by Yoshiaki Natori.


Materials Science Forum | 2012

Effect of Initial Grain Sizes on Strain Induced Boundary Migration

Yoshiaki Natori; Kenichi Murakami; Satoshi Arai; Yousuke Kurosaki; Hisashi Mogi; Hotaka Homma

Examination of the SIBM mechanism based on the dislocation substructure at the interior of the Goss oriented grain was carried out by changing the grain size prior to the temper rolling. The following results were obtained. 1) SIBM significantly increased Goss orientation during the eminent grain growth with the initial grain sizes from 18 to 55μm. 2) When the initial grain sizes were large, i.e. 37μm and 55μm, the rolling with the reduction beneath the critical value could not promote SIBM, even the normal grain growth could also be hindered. Consequently a proposal was made that the nucleation of the recovery appeared among substructure domains containing sluggish strain. There exists an adequate size of the domain which varies with the change both of the rolling reduction and the initial grain size.


Archive | 2014

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

Yoshiaki Natori; Shuichi Yamazaki; Fumiaki Takahashi; Seiki Takebayashi


Archive | 2009

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR

Fumiaki Takahashi; Kazutoshi Takeda; Hiroyasu Fujii; Shuichi Yamazaki; Yoshiaki Natori


Archive | 2009

Grain-oriented magnetic steel sheet and process for producing the same

Fumiaki Takahashi; Kazutoshi Takeda; Hiroyasu Fujii; Shuichi Yamazaki; Yoshiaki Natori


Archive | 2009

ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR PRODUCING SAME

Yoshiaki Natori; Shuichi Yamazaki; Fumiaki Takahashi; Seiki Takebayashi


Archive | 2008

Insulating film treatment agent, grain-oriented electrical steel sheet coated with the film treatment agent and insulating film treatment method therefor

Fumikazu Ando; Hiroyasu Fujii; Yoshiaki Natori; Fumiaki Takahashi; Kazutoshi Takeda; Shuichi Yamazaki; 義顕 名取; 文和 安藤; 修一 山崎; 和年 竹田; 浩康 藤井; 史明 高橋


Archive | 2013

NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING SAME

Yoshiaki Natori; Kenichi Murakami; Takeaki Wakisaka; Hisashi Mogi; Takuya Matsumoto; Tomoji Shono; Tatsuya Takase; Junichi Takaobushi


Archive | 2013

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET

Yoshiaki Natori; Kenichi Murakami; Takeaki Wakisaka; Hisashi Mogi; Takuya Matsumoto; Tomoji Shono; Tatsuya Takase; Junichi Takaobushi


Archive | 2009

Grain-oriented eelctrical steel sheet and producing method therefor

Fumiaki Takahashi; Kazutoshi Takeda; Hiroyasu Fujii; Shuichi Yamazaki; Yoshiaki Natori


Archive | 2017

NON-ORIENTED MAGNETIC STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

Kenichi Murakami; Yoshiaki Natori; Takuya Matsumoto; Hiroki Hori; Takeaki Wakisaka

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Shuichi Yamazaki

Takeda Pharmaceutical Company

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Kazutoshi Takeda

Takeda Pharmaceutical Company

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Takuya Matsumoto

Tokyo Institute of Technology

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