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논문 기본 정보

자료유형
학술저널
저자정보
Tae-Jeong Kim (Hyundai Motor Company) Se-Jin Ko (Hyundai Motor Company) Wook-Jin Oh (Hyundai Motor Company) Ji-Hong Lee (Kia)
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第42卷 第5號
발행연도
2024.10
수록면
481 - 486 (6page)

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초록· 키워드

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Although the SPR process is widely used for joining of multi-materials, the FDS process is used when one-way joining is required, such as space constraints or closed cross-sectional parts. The quality inspection for the FDS process is basically an appearance inspection or cross-sectional inspection. There is no non-destructive test method that can be used in the actual mass production line, and a method of utilizing loosening torque is being studied. In this study, the factors affecting the loosening torque are analyzed, and an experimental equation that can predict the loosening torque is derived. Since friction force between the screw and the upper plate and sticking on the screw thread resist against loosening torque, the prediction equation for each factor is considered and the least square method is used to obtain the coefficients of the experimental equation. The prediction equation of the loosening torque derived through experiments on 36 material combinations predicts the experimental values well. When a quality requirement value with a given margin is applied, it can be used as a non-destructive test method.

목차

Abstract
1. Introduction
2. Analysis of the FDS Process
3. Loosening Torque
4. Conclusion
References

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