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Masafumi Azuma

Nippon Steel

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Publication

Featured researches published by Masafumi Azuma.

Archive | 2010

Spot-welded joint and spot welding method

Hatsuhiko Oikawa; Hideki Hamatani; Masafumi Azuma; Noriyuki Suzuki; Fuminori Watanabe; Naoki Maruyama; Hiroyuki Kawata

Archive | 2002

High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same

Nobuhiro Fujita; Masafumi Azuma; Manabu Takahashi; Yasuhide Morimoto; Masao Kurosaki; Akihiro Miyasaka

Archive | 2009

High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both

Masafumi Azuma; Noriyuki Suzuki; Naoki Maruyama; Naoki Yoshinaga; Akinobu Murasato

Archive | 2010

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT HYDROGEN EMBRITTLEMENT RESISTANCE AND MAXIMUM TENSILE STRENGTH OF 900 MPa OR MORE, AND PROCESS FOR PRODUCTION THEREOF

Masafumi Azuma; Noriyuki Suzuki; Naoki Maruyama; Akinobu Murasato; Yasuharu Sakuma; Hiroyuki Kawata; Chisato Wakabayashi

Archive | 2009

High-strength galvanized steel sheet, high-strength alloyed hot-dip galvanized sheet, and high-strength cold-rolled steel sheet which excel in moldability and weldability, and manufacturing method for the same

Masafumi Azuma; Naoki Yoshinaga; Naoki Maruyama; Noriyuki Suzuki; Yasuharu Sakuma

Archive | 2009

High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets

Masafumi Azuma; Noriyuki Suzuki; Naoki Maruyama; Naoki Yoshinaga; Akinobu Murasato

Archive | 2010

HIGH STRENGTH STEEL PLATE WITH ULTIMATE TENSILE STRENGTH OF 900 MPa OR MORE EXCELLENT IN HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD OF PRODUCTION OF SAME

Masafumi Azuma; Noriyuki Suzuki; Naoki Maruyama; Akinobu Murasato; Yasuharu Sakuma; Hiroyuki Kawata; Chisato Wakabayashi

Archive | 2009

HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH GALVANIZED STEEL SHEET, AND HIGH-STRENGTH ALLOYED HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT FORMABILITY AND WELDABILITY, AND METHODS FOR MANUFACTURING THE SAME

Masafumi Azuma; Naoki Yoshinaga; Naoki Maruyama; Noriyuki Suzuki; Yasuharu Sakuma

Archive | 2010

High-strength galvanized steel sheet and method of manufacturing the same

Yasuhide Morimoto; Nobuhiro Fujita; Akihiro Miyasaka; Kazuhiko Honda; Masafumi Azuma; Noriyuki Suzuki; Toshiki Nonaka

Archive | 2012

High-strength hot-dipped galvanized steel sheet and high-strength alloyed hot-dipped galvanized steel sheet, each having tensile strength of 980 mpa or more, excellent plating adhesion, excellent formability and excellent bore expanding properties, and method for producing same

Chisato Wakabayashi; Masafumi Azuma; Nobuhiro Fujita; Kohichi Sano

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Collaboration

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Nobuhiro Fujita

Nippon Steel

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Chisato Wakabayashi

Nippon Steel

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Manabu Takahashi

Nippon Steel

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Naoki Yoshinaga

Nippon Steel

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Yasuharu Sakuma

Nippon Steel

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Naoki Maruyama

Nippon Steel

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Takayuki Nozaki

Nippon Steel

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Hiroyuki Kawata

Nippon Steel

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Naoki Maruyama

Nippon Steel

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Akihiro Miyasaka

Shimadzu Corp.

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