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자료유형
학술저널
저자정보
이상우 (화신) 김재웅 (영남대학교)
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第37卷 第4號
발행연도
2019.8
수록면
339 - 346 (8page)

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A study to select the optimal conditions for the self-piercing rivetting (SPR) of dissimilar metal plates was performed by analyzing the bond strength factors using experiments carried out with experimental design methods for the rivets, anvils, and press-fitting factor. The SPR process involves an interaction between an anvil and rivet geometry with a press-in factor, and the bond strength and shape are determined by each process parameter. This makes it important to analyze the factors that will have a great influence on the double bond strength and shape, so that the appropriate conditions can be selected and controlled at the production site. For this purpose, a three-level mixed orthogonal array table was constructed and experiments were performed to find the relationship between the design variables and the response values in the selectable design domain. Through this process, some conditions were identified that are applicable in the field of mechanical bonding of heterogeneous materials by SPR in the automobile manufacturing process. Accordingly, this study selected, materials and thicknesses which were actually utilized for automobiles. Samples were prepared and cross-section shapes were analyzed by scanning electron microscope. Also, an optimum condition for the SPR process for dissimilar metal plates was presented using response surface methodology and the bond strength was estimated.

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