Lightweight Study of Carbon Fiber Composite B-Pillar Based on Equal Stiffness Principle - Open Access Library Journal

OALibJ > Vol.5 No.8, August 2018

Lightweight Study of Carbon Fiber Composite B-Pillar Based on Equal Stiffness Principle ()

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DOI: 10.4236/oalib.1104822 753 Downloads 3,170 Views Citations

Author(s)

Dongming Sun, Chao Tao

Affiliation(s)

College of Automotive Engineering, Shanghai University of Engineering Science, Shanghai, China.

ABSTRACT

The replacement of carbon fiber reinforced epoxy resin matrix composite (CFRP) in the B-pillar of the body structure was discussed. Under the condition of ensuring crashworthiness, the lightweight application of B-pillar on the structural parts of the automobile was realized. Taking the steel B-pillar of a certain model as the prototype, CFRP is used for the same stiffness design, and the stiffness, crashworthiness and lightweight performance of the composite B-pillar relative to the high-strength steel B-pillar are comprehensively analyzed. The results show that under the requirements of crashworthiness, the lightweight effect of CFRP on B-pillar is obvious, which is 26.27% lower than that of high-strength steel B-pillar. Therefore, under the equal stiffness design conditions, the composite material can better realize the lightweight requirements of the automobile B-pillar.

KEYWORDS

B-Pillar, CFRP, Lightweight, Crashworthiness

Share and Cite:

Sun, D. and Tao, C. (2018) Lightweight Study of Carbon Fiber Composite B-Pillar Based on Equal Stiffness Principle. Open Access Library Journal, 5, 1-12. doi: 10.4236/oalib.1104822.

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