T
Tatsuo Sakai
Researcher at Ritsumeikan University
Publications - 125
Citations - 1982
Tatsuo Sakai is an academic researcher from Ritsumeikan University. The author has contributed to research in topics: Fatigue limit & Fracture mechanics. The author has an hindex of 19, co-authored 112 publications receiving 1574 citations.
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Characteristic S-N properties of high-carbon-chromium-bearing steel under axial loading in long-life fatigue
TL;DR: In this article, the fatigue properties of a bearing steel in the long-life region were experimentally examined under cyclic axial loading and the complicated S-N behavior was well explained as a combination of s-N curves for surface-induced fracture and interior inclusion-induced fractures.
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Effect of stress ratio on long life fatigue behavior of high carbon chromium bearing steel under axial loading
TL;DR: In this paper, the effect of the stress ratio on fatigue properties of a bearing steel (JIS:SUJ2) in the long life regime was experimentally examined under axial loading.
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Statistical duplex S–N characteristics of high carbon chromium bearing steel in rotating bending in very high cycle regime
Tatsuo Sakai,B. Lian,Mitsuhiro Takeda,Kazuaki Shiozawa,Noriyasu Oguma,Yasuo Ochi,Masaki Nakajima,Takashi Nakamura +7 more
TL;DR: In this article, the statistical fatigue properties of high carbon chromium bearing steel (JIS: SUJ2) in rotating bending were analyzed by applying the concept of mixed-mode Weibull distribution.
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Experimental reconfirmation of characteristic S-N property for high carbon chromium bearing steel in wide life region in rotating bending
Tatsuo Sakai,Mitsuhiro Takeda,Kazuaki Shiozawa,Yasuo Ochi,Masaki Nakajima,Takashi Nakamura,Noriyasu Oguma +6 more
TL;DR: In this article, a series of fatigue tests were performed by means of same type fatigue testing machines and same type of fatigue specimens in a definite high carbon chromium steel for the use of bearing as a collaborative study by the authors.
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Microscopic and nanoscopic observations of metallurgical structures around inclusions at interior crack initiation site for a bearing steel in very high-cycle fatigue
TL;DR: In this paper, the microstructure around the interior inclusion was found to change into the penny-shape fine granular layer from the usual martensitic structure during long-term cyclic loadings, which caused the final fatigue fracture after definite loading cycles of the crack propagation.