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Dive into the research topics where Hisashi Harada is active.

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Featured researches published by Hisashi Harada.


Archive | 2006

Crack Initiation Mechanism of Bearing Steel in High Cycle Fatigue

Tatsuo Sakai; Hisashi Harada; Noriyasu Oguma

In the last decade, fatigue behavior of metallic materials in very high cycle regime has been coming out as an important subject to guarantee the safety of mechanical structures during the long term service. The authors had developed special fatigue testing machines to perform the fatigue tests effectively in both rotating bending and axial loading in gigacycle region. By using these testing machines, long life fatigue tests were carried out for several kinds of metallic materials including the high carbon chromium bearing steel(JIS: SUJ2).


Isij International | 2005

Microstructural Changes and Crack Initiation with White Etching Area Formation under Rolling/Sliding Contact in Bearing Steel

Hisashi Harada; T. Mikami; M. Shibata; D. Sokai; Atsushi Yamamoto; Harushige Tsubakino


Journal of The Society of Materials Science, Japan | 2003

Mechanism of Long Life Fatigue Fracture Induced by Interior Inclusion for Bearing Steel in Rotating Bending

Noriyasu Oguma; Hisashi Harada; Tatsuo Sakai


Archive | 2003

Method for manufacturing a bearing raceway member

Masamichi Shibata; Nobuo Komeyama; Hisashi Harada


Archive | 2003

METHOD OF PRODUCING BEARING RACEWAY MEMBER

Masamichi Shibata; Nobuo Komeyama; Hisashi Harada


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2003

Formation Process of White Etching Area under Rolling Contact in Bearing Steel

Hisashi Harada; Noriyasu Oguma; Atsushi Yamamoto; Harushige Tsubakino


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2005

Microstructural Change near Retained Austenite Interface during the Formation Process of White Etching Area under Rolling-slip Contact

Hisashi Harada; Tsuyoshi Mikami; Atsushi Yamamoto; Harushige Tsubakino


Transactions of the Japan Society of Mechanical Engineers. A | 2004

Strength Level Dependence of Long-Life Fatigue Behavior in Interior Inclusion Induced Fracture for Bearing Steel in Rotating Bending

Noriyasu Oguma; Hisashi Harada; Tatsuo Sakai


Archive | 2002

Rolling slide member and its production method

Hisashi Harada; Noriyasu Oguma; 久 原田; 規泰 小熊


Isij International | 1999

Thermal release of hydrogen from high strength steel containing retained austenite

Harushige Tsubakino; Hisashi Harada; Jiang Yin

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