Journal
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
Volume 8, Issue 2, Pages 547-559Publisher
KOREAN SOC PRECISION ENG
DOI: 10.1007/s40684-020-00188-5
Keywords
Carbon fibre; Structural composites; Impact behavior; Finite element analysis (FEA); Resin transfer moulding (RTM)
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education [2018R1D1A1A09083236]
- National Research Foundation of Korea (NRF) - Korean Government (MEST) [2013M2A2A9043280]
- Industrial Strategic technology development program - Ministry of Trade, industry & Energy(MI, Korea) [10076562]
- Hanyang University
- Hyundai Motors Co. Ltd.
- Korea Evaluation Institute of Industrial Technology (KEIT) [10076562] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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By utilizing design optimization and impact analysis, a composite B-pillar made of carbon-fiber-reinforced plastic (CFRP) was designed to improve impact performance and reduce weight compared to conventional steel B-pillars.
A composite B-pillar was designed and manufactured by design optimization combined with an impact analysis. A carbon-fiber-reinforced plastic (CFRP) was used for the reinforcement part of the B-pillar assembly to substitute the conventional steel materials for reducing the weight of vehicle. To maximize the impact performance by finite element method, the equivalent static loads method was used. The shape, stacking sequence, and thickness of the CFRP reinforcement were optimized to minimize the deflection profile for improving the crashworthiness while reducing the weight. The designed CFRP B-pillar was manufactured and its performance was evaluated by a drop weight test. As a result, the CFRP B-pillar exhibited an improved impact performance and reduced weight compared to those of the conventional steel B-pillar.
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