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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제12권 제3호
발행연도
1998.8
수록면
49 - 59 (11page)

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초록· 키워드

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The damage mechanism of Cr₂O₃ plasma coated soda-lime glass and uncoated glass by steel ball particle impact was analyzed in this study. And the shape variation of the cracks was investigated by stereo-microscope according to the impact velocity and steel ball diameter.
In order to improve the damage reduction effect by Cr₂O₃ coating layer, crack size was measured and surface erosion state was observed for both of two kinds of specimen after impact experiment. And the results were compared with each other. The 4-point bending test was performed according to ASTM D790 testing method to evaluate the effect of coating layer for bending strength variation. As a result, it was found that the crack size of Cr₂O₃ coated specimen was smaller than that of uncoated one, because of the impact absorption by interior pores in the coating layer and the load dispersion by the structural characteristic of the coating layer. For the specimens subjected to the steel ball impact, the bending strength of coated specimen was higher than that of uncoated specimen.

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Abstract
1. 서론
2. 실험 방법
3. 실험 결과 및 고찰
4. 결론
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