In this work, the optimal process has been designed by L<SUB>9</SUB>(3<SUP>4</SUP>)orthogonal array and analysis of variance(ANOVA) for thermal-sprayed Ni-based hard coating. Ni-based hard coatings were fabricated by flame spra...
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https://www.riss.kr/link?id=A82669083
2009
Korean
553
학술저널
225-230(6쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
In this work, the optimal process has been designed by L<SUB>9</SUB>(3<SUP>4</SUP>)orthogonal array and analysis of variance(ANOVA) for thermal-sprayed Ni-based hard coating. Ni-based hard coatings were fabricated by flame spra...
In this work, the optimal process has been designed by L<SUB>9</SUB>(3<SUP>4</SUP>)orthogonal array and analysis of variance(ANOVA) for thermal-sprayed Ni-based hard coating. Ni-based hard coatings were fabricated by flame spray process on steel substrate. Then, the hardness test and observation of microstructure of the coatings were performed. The results of hardness test were analyzed by ANOVA. The ANOVA results demonstrated that the acetylene gas flow had the greatest effect on hardness of the coatings. The oxygen gas flow was found to have a neglecting effect. From these results, the optimal combination of the flame spray parameters could be predicted. The calculated hardness of the coatings by ANOVA was found to lie close to that of confirmation experimental result. Thus, it was considered that design of experiments design using orthogonal array and ANOVA was useful to determine optimal process of thermal-sprayed Ni-based hard coating.
목차 (Table of Contents)
가변적인 통신 지연시간을 갖는 시스템의 실시간 출력 추정법
직접분사식 디젤기관에서 바이오디젤 연료의 연소특성(2)