Effects of Lead and Sulfur Components on Surface Durability of Case-hardened Chromium Molybdenum Steel Roller

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概要

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• In order to elucidate the effects of lead and sulfur components on surface durability of case-hardened chromium molybdenum steel SCM415 rollers, case-hardened rollers made of commercial SCM415 steel, special SCM415 steels with 0.056% and 0.169% lead and special SCM415 steel with 0.056% sulfur were fatigue-tested under a rolling with sliding contact condition. The experimental results were discussed by the calculated results about amplitude of ratio of shear stress to hardness. It was clarified that at a higher Hertzian stress range the fatigue life was shortened by addition of lead and sulfur to the steel but that at a lower Hertzian stress range the fatigue life was hardly affected by the addition of them.

• 一般社団法人日本機械学会の論文

著者

• Wang Shie-ji

  School Of Engineering Okayama University

• Fujita Komei

  School Of Engineering Okayama University

• Yoshida Akira

  School Of Engineering Okayama University

• AKASAWA Tadahisa

  Products R & D Laboratories, Nippon Steel Corporation

• KATAYAMA Sakae

  Products R & D Laboratories., Nippon Steel Corporation

• Akasawa Tadahisa

  Products R & D Laboratories Nippon Steel Corporation

• Katayama Sakae

  Products R & D Laboratories. Nippon Steel Corporation

• Yoshida Akira

  School Of Engg. Okayama University

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