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

研究成果: ジャーナルへの寄稿学術論文査読

134 被引用数 (Scopus)

抄録

In fatigue tests of high strength steels and surface hardened steels, a characteristic fatigue behavior such that SN curve tends to come down again in the long life region of N>107 was often observed and reported by many researchers. When the mechanical design is based on the fatigue limit of the material, the above aspect introduces a typical difficulty to provide the reliability of the mechanical structures. In order to clarify such S-N characteristics in wide life region, 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. Thus the complicated S-N property of this steel was tentatively interpreted as duplex S-N characteristics given by superposition of S-N curves for the respective fracture modes of the surface-originated fracture and the inclusion-originated fish-eye fracture.

本文言語英語
ページ(範囲)779-785
ページ数7
ジャーナルZairyo/Journal of the Society of Materials Science, Japan
49
7
DOI
出版ステータス出版済み - 2000/07

ASJC Scopus 主題領域

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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