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논문 기본 정보

자료유형
학술대회자료
저자정보
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대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2004년 추계학술대회논문집
발행연도
2004.11
수록면
325 - 330 (6page)

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Recently, die request for the high strength of material is more and more increased in the area of industrial environment and machinery. To accomplish the high strength of materials. carbonizing treatment, nitrifying treatment. shot-peening method are representatively applied. however. shot-peening method is generally used among the surface processes. Shot peening is a cold working process used to impact Compressive residual stresses in the exposed surface layers. Benefits due to shot peening are increase in resistance to fatigue. stress corrosion cracking. fretting. galling. erosion and closing of pores. In this study, the influence of shot peening on the corrosion was investigated on spring steel immersed in 3.5% NaCI. The immersion test Was performed on the two kinds of specimens. Corrosion potential. polarization curve. residual stress and etc. were investigated from experimental results. From test results. the effect of shot peening on the corrosion was evaluated. The important results of the experimental study on the effects of shot peened on the environment corrosion of steels are as follows;
In case of corrosion potential, shot peened specimen shows more activated negative direction as compared with parent metal. Surface of specimen. which is treated with the shot peened. is pieced as more activated state against inner base metal. It can cause the anti-corrosion effect on the base metal.

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Abstract

1. 서론

2. 시험편 및 실험방법

3. 실험결과 및 고찰

4. 결론

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