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Investigation of optimal peening intensity of gear with stress concentration for improvement of fatigue life
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응력 집중을 갖는 기어의 피로수명 향상을 위한 최적 피닝강도 탐색

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Investigation of optimal peening intensity of gear with stress concentration for improvement of fatigue life
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Abstract· Keywords

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As the industrial society develops rapidly, weight reduction and high strength are demanded gradually. In case of the gear which receives the repeat load, it does a carburized control generally and it improves the material strength. But if it applies the technique which is shot peening, it will be able to improve the durability and the fatigue characteristic of material because the hardness and the residual stress of the surface are on the increase. As the condition of shot peening, there is a great difference in fatigue life. Accordingly, this study investigated material characteristic and cause which it follows in condition of peening. In this study, we detect the optimal peening condition and hardness, roughness, and evaluate reliability.

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Abstract
1. 서론
2. 이론적 배경
3. 시험편 및 실험방법
4. 실험 결과 및 고찰
5. 결론
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UCI(KEPA) : I410-ECN-0101-2009-550-016013278