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논문 기본 정보

자료유형
학술대회자료
저자정보
안희태 (현대모비스) 이계호 (현대모비스)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2024 한국자동차공학회 춘계학술대회
발행연도
2024.6
수록면
244 - 248 (5page)

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In automobiles, weight reduction is required a lot to improve fuel efficiency. Lightening effect can be obtained by applying a polymer material. In steel parts, welding was the main method of bonding, but it is necessary to apply a suitable bonding method when applying composite materials. In this paper, composite materials were applied to reduce the weight of the chassis subframe. Using the EV Car’s front chassis subframe as a base model, it was redesigned to apply steel, aluminum, and composite materials for each sub-part. For NO.1, a composite material using the pultrusion method was applied, aluminum was applied for the side member, and steel was applied for the NO.2. For aluminum and composite joints, steel and aluminum joints, FDS (Flow Drill Screw), Blind Rivet, and adhesive bonding methods were applied. Through this, it was possible to reduce the weight by 11.6% compared to the front chassis subframe. A prototype was manufactured for the designed model and verified through tests such as single-product durability test, chassis module durability test, and complex environmental corrosion test.

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