Current climate change conditions together with new environmental regulations are boosting research and use of new materials in order to reduce both the use of petroleum products and CO2 emissions. Composite material becomes an excellent candidate in order to achieve the abovementioned challenges. The stiffness-weight ratio of composite materials provides an optimal intrinsic material characteristic when compared with the traditional metal approach. This is the reason why aeronautical and automotive industries are increasingly trying to incorporate these materials into structural parts design. The aeronautical sector is leading this challenge and has already designed planes whose structure has 35 % of the parts made of composite materials. Crashworthiness performance is important in both the automotive and the aeronautical sectors. Nevertheless, some of the automotive impact load cases, such as the Side Pole and Frontal Impact, imply structural behaviour scenarios that reach and probably surpass the state-of-art of the current virtual development tools regarding carbon fiber material laws and finite element modelling techniques. This chapter describes the necessary steps to follow in order to be able to introduce carbon fiber parts in vehicle structural development. The process should consider: (1) Criteria definition for the selection of parts to be made of carbon fiber. (2) Carbon fiber material selection for each part. (3) Carbon fiber material properties characterization including the required tests and samples. (4) Finite element modelling guidelines to carry out the body structural development. The integration of CFRPs materials in vehicle structural parts is achievable through a multidisciplinary team combining deep knowledge and expertise in vehicle functionalities, material science and manufacturing together with excellence in managing the development tools: CAD, CAE and Testing. IDIADA's approach to the integration of CFRPs provides a comprehensive environment offering the required cornerstones to act as a seamless development partner for OEMs.
Establishing a Carbon Fiber Material Database for Crashworthiness Structural Development
2012
8 Seiten
Aufsatz (Konferenz)
Englisch
Establishing a Carbon Fiber Material Database for Crashworthiness Structural Development
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