[논문]차량 경량화를 위한 이종소재 접합 연구

이경일; 김재열; 이동기

doi:10.14775/ksmpe.2018.17.6.130

차량 경량화를 위한 이종소재 접합 연구
Heat Generation and Machining Accuracy According to Material for Ultra-Precision Machining 원문보기

한국기계가공학회지 = Journal of the Korean Society of Manufacturing Process Engineers, v.17 no.6, 2018년, pp.130 - 135

이경일 (조선대학교 기계시스템.미래자동차공학부) , 김재열 (조선대학교 기계시스템.미래자동차공학부) , 이동기 (조선대학교 기계시스템.미래자동차공학부)

Abstract ▼ AI-Helper

Currently the automobile market is developing eco-friendly vehicles in order to cope with fuel efficiency regulations. Many studies have been conducted to improve travel performance and fuel economy of the environment-friendly vehicles, and vehicle manufacturers study how to manufacture light-weight vehicles for improving fuel economy for both existing vehicles and environment-friendly vehicles. Exemplary light-weight vehicle technologies include optimal design of vehicle body structure which is a light-weight vehicle method by changing component shapes or layout to optimize the vehicle body structure and the new process technology for using new light-weight and very strong materials Various studies.

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문제 정의

There are various lightweight technologies, including the optimal design of the body structure, which optimizes the body structure of vehicles by changing the shape or layout of parts, and new process technology that uses lightweight, high-strength materials rather than conventional materials. This study investigates the dissimilar material bonding of ultra-high-tensile-strength steel and aluminum for lightweight vehicles.

제안 방법

For dissimilar material bonding in this study, SPR, blind-rivet bonding, and a hybrid bonding method that combines adhesive bonding and riveting are applied, as shown in Fig. 1; the materials are listed in Table 1.
The materials used in this study for the analysis of dissimilar material bonding were hot-stamping materials, which encounter difficulties in mechanical bonding and require condition selection through bonding analysis. As shown in Fig.
This study investigated ultra-high-tensile-strength steel and aluminum dissimilar material bonding for a lightweight car body and verified the possibility of applying this bonding method to the car body by testing the strength of different bonding methods.

대상 데이터

Pre-Hole was applied for blind riveting and Ashland Pliogrip5760B for adhesive bonding. The SPR was bonded using the SPR equipment of Atlas Copco Korea. Fig.

이론/모형

The salt-water spray test of dissimilar material bonding was carried out in accordance with the KS D 9502 standard. A 5% salt-water solution was sprayed for 48 hours at 0.
The specimens were designed and fabricated to allow 100×30mm overlaps in accordance with KS B0851.

성능/효과

1. According to the results of the dissimilar material bonding analysis and tests, in the ultra-high-tensile-strength steel and aluminum bonding, the hybrid B bonding method using blind riveting and adhesive bonding showed the highest bonding strength. The analysis and test showed similar fracture shapes, and the maximum strength error was 2.
2. According to the results of the salt-water spray test and strength analysis for dissimilar material bonding, the hybrid B bonding method showed greater strength and durability than SPR.
A shear tension test was carried out to measure the bonding strength at the testing speed of 2 mm/min. According to the test results, which are shown in Fig. 6, in the SABC1470+Al5083 combination, the hybrid blind method (blind rivet + bonding agent) showed the highest strength at 12.51 KN. The reason that hybrid SPR bonding had lower strength than the other method is that, although SPR bonding was performed, it was difficult to secure strength due to the spring-back phenomenon of the top plate and the incomplete interlock inside it.
According to the results of the dissimilar material bonding analysis and tests, in the ultra-high-tensile-strength steel and aluminum bonding, the hybrid B bonding method using blind riveting and adhesive bonding showed the highest bonding strength. The analysis and test showed similar fracture shapes, and the maximum strength error was 2.13%, thus verifying the reliability of the blind bonding analysis.

참고문헌 (13)

Kim, J. Y., Lee, H. N., Kwac, L. K, Han, J. H., Cho, Y. T., Jun, C. G., "Control Performance Evaluation of Ultra Precision Positioning Apparatus," Proc. ISIM 2000 , pp. 252-255., 2000.
10.1007/s12541-016-0160-3 Kim, J. Y., Park, D. K., Lee, G. I., Gao, J. C., “Research on the Design of the Ultra-high-precision Positioning Control Error Compensation,” IJPEM, pp. 1351 ~ 1358, 2016.

원문보기 상세보기
Kim, J. Y., Han, J. H., Kim, H. W., You, S., Kwac, L. K, Song, I. S, “A Study on the Optimal Structural Design and Ultra Precision Position Control using FEM for Micro Stage,” KSPE pp. 336 ~ 340, 2001.
Lee, G. L., and Kim, J. Y., Yoon, S. U., Jung, Y. S., “Assessment of soundness by applying of Optimal design hybrid CURVIC gear and IRT technique,” Journal of Advanced Engineering and Technology, Vol. 9, No. 4, pp. 309-314, 2016.
10.1007/s12541-018-0031-1 Lee, G. L., and Kim, J. Y., Gao, J. C., Jung, Y. S., “Study of Heat Generation and Cutting Accuracy depending on Spindle Rotation Speed Change in Ultra-precision Cutting Using ECTS,” IJPEM, pp. 265-269, 2018.

상세보기
10.14775/ksmpe.2017.16.3.146 Lee, G. I., Kim, J. Y., “Evaluation of Reliability of Large Hybrid Curvic Gear by Using Thermography,” Journal of the Korean Society of Manufacturing Process Engineers, Vol. 16, No. 3, pp. 146-152, 2017.

원문보기 상세보기
10.14775/ksmpe.2018.17.1.101 Kim, S. Y., Kim, K. S., “A Study on Radiation Noise of Vehicle Power Seat Recliner using Finite Element Analysis,” Journal of the Korean Society of Manufacturing Process Engineers, Vol.17, No. 1, pp. 101-107, 2018.

원문보기 상세보기
10.14775/ksmpe.2018.17.2.153 Sim, K. J., Moon, H. J., Jeon, N. J., “A Study on the Development of the Driveshaft for a 3.5-Ton Commercial Vehicle,” Journal of the Korean Society of Manufacturing Process Engineers, Vol. 17, No. 2, pp. 153-159, 2018.

원문보기 상세보기
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10.1016/0141-6359(89)90003-2 Kohno, T., Okazaki, Y., Ozawa, N., Mitui, K. and Omoda, M., "In-Process Measurement and a Work-pice Referenced Form Accuracy Control System(WORFAC):Concept of the Method and Preliminary Experiment," JSPE, Vol. 11 No.1, pp.9-11, 1989.

상세보기
10.1016/0141-6359(85)90030-3 Patterson, S. R., Matgab, E. B., "Design and Testing of a Fast Tool Servo for Diamond Turing," JSPE, Vol. 7, No.3,pp.123-128, 1985.

상세보기
10.1117/12.936790 Donaldson, P. R., Patterson, S. R., "Desing and Construction of a Large, vertical Axis iamond Turning Machine.", Proc. SPIE, Vol. 433, pp.62-67, 1983.

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차량 경량화를 위한 이종소재 접합 연구
Heat Generation and Machining Accuracy According to Material for Ultra-Precision Machining 원문보기

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차량 경량화를 위한 이종소재 접합 연구 Heat Generation and Machining Accuracy According to Material for Ultra-Precision Machining 원문보기

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참고문헌 (13)

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차량 경량화를 위한 이종소재 접합 연구
Heat Generation and Machining Accuracy According to Material for Ultra-Precision Machining 원문보기

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