GSD-03 IMPROVEMENT IN FATIGUE STRENGTH OF STEEL GEAR BY NEXT-GENERATION CAVITATION PEENING(GEAR STRENGTH AND DURABILITY, INCLUDING GEAR MATERIALS AND HEAT TREATMENT TECHNIQUES)
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概要
- 論文の詳細を見る
A new cavitation peening processing unit was made to obtain greater peening effect. The purpose of this study is to investigate the improvement in fatigue strength of the steel gear cavitation-peened using this processing unit. The case-hardened steel rollers and gears were cavitation -peened under a processing time of 1 minute, and were fatigue-tested using a roller testing machine and a gear testing machine. The hardness and the compressive residual stress of the test specimens were increased by the cavitation peening. While, the surface roughness of the cavitation-peened test specimens was almost the same to that of the non-peened ones. In the fatigue tests, the fatigue life of the cavitation-peened test specimens was longer than that of the non-peened ones. Moreover, the fatigue strength of the test specimens was increased by the cavitation peening. This study revealed that the fatigue strength of steel gear was improved by the cavitation peening under a processing time of 1 minute.
- 一般社団法人日本機械学会の論文
- 2009-05-13
著者
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YOSHIDA AKIRA
Department of Radiological Sciences, Hiroshima Prefectural College of Health Science
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SOYAMA Hitoshi
Department of Nanomechanics Tohoku University
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SEKI Masanori
Department of Mechanical Engineering, Okayama University
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Seki Masanori
Department Of Mechanical Engineering Okayama University
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Seki Masanori
Department Of Bacteriology Faculty Of Medical Sciences Kyushu University
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Yoshida Akira
Department Of Mechanics And Robotics Hiroshima International University
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Yoshida Akira
Department Of Agricultural Chemistry Nagoya University
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SOYAMA Hitoshi
Department of Nanomechanics, Tohoku University
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