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Dive into the research topics where Hisao Yasuhara is active.

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Featured researches published by Hisao Yasuhara.


Physica Status Solidi (a) | 2002

Development of a pre-treatment procedure for the determination of trace amount of bulk oxygen in iron and steel

Hisao Yasuhara; Makoto Shimura; Keiichi Yoshioka; Kenji Abiko; H. Iwai; T. Niida

For the determination of trace amounts of oxygen in iron and steel, a pre-treatment procedure was developed using glow discharge. This permits to remove surface oxygen contaminations, which cannot be eliminated by conventional pre-treatment methods such as electropolishing. The analytical values of oxygen obtained after the glow discharge pre-treatment were approximately 1-2 μg/g lower than those without pre-treatment. This difference is consistent with the oxygen surface contamination determined by surface analysis and charged particle activation analysis.


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

Size Analysis of Nanometer Titanium Carbide in Steel by Using Small-Angle Neutron Scattering

Hisao Yasuhara; Kaoru Sato; Yuki Toji; Masato Ohnuma; J. Suzuki; Yo Tomota


Archive | 2001

Method of treating metal analysis sample and device thereof

Kenji Abiko; Hisao Yasuhara; Takashi Niida; Makoto Shimura; Hideo Iwai


Materials Transactions | 2000

Determination of Trace Amounts of Carbon in High-Purity Iron by Infrared Absorption after Combustion: Pretreatment of Reaction Accelerator and Ceramic Crucible

Tetsuya Ashino; Kunio Takada; Yukitoshi Morimoto; Hisao Yasuhara; Mayuko Kurosaki; Kenji Abiko


Archive | 2009

High-strength hot-dip galvanized steel sheet having excellent plating peeling resistance

悦男 ▲濱▼田; Yusuke Fushiwaki; Etsuo Hamada; Yoichi Makisui; Masayasu Nagoshi; Yoshiharu Sugimoto; Yoshitsugu Suzuki; Hisao Yasuhara; 祐介 伏脇; 正泰 名越; 久雄 安原; 芳春 杉本; 洋一 牧水; 善継 鈴木


Isij International | 2006

Development of rapid analytical method of carbon in steels by glow discharge optical emission spectrometry

Hisao Yasuhara; Akira Yamamoto; Kazuaki Wagatsuma; Fumio Hiramoto


Materials Transactions Jim | 2000

Determination of Trace Amounts of Sulfur in High-Purity Iron by Infrared Absorption after Combustion: Removal of Sulfur Blank

Kunio Takada; Tetsuya Ashino; Yukitoshi Morimoto; Hisao Yasuhara; Mayuko Kurosaki; Kenji Abiko


Physica Status Solidi (a) | 1997

Influence of Sample Pretreatment Methods on the Determination of Trace Oxygen in Iron and Steel

Hisao Yasuhara; Makoto Shimura; Keiichi Yoshioka


Archive | 2000

Method for analyzing free fluorine in solutions containing hydrofluoric acid solution, and apparatus for practicing the method

Hisao Yasuhara; Makoto Shimura


Materials Transactions Jim | 2000

Determination of Trace Amount of Gaseous Elements in Iron and Steel

Hisao Yasuhara; Makoto Shimura; Keiichi Yoshioka; Kenji Abiko

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Makoto Shimura

Kawasaki Steel Corporation

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Keiichi Yoshioka

Kawasaki Steel Corporation

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Masahiko Ito

Kawasaki Steel Corporation

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Masahiro Yoshioka

Kawasaki Steel Corporation

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Toshiki Isobe

Kawasaki Steel Corporation

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Yoshikazu Seino

Kawasaki Steel Corporation

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