Method for the cost-efficient and weight-efficient material diversity and partitioning of a carbon fibre composite body structure | Zendy

Per Mårtensson | Zendy; Dan Zenkert | Zendy; Malin Åkermo | Zendy

Open Access

Method for the cost-efficient and weight-efficient material diversity and partitioning of a carbon fibre composite body structure

Author(s) -

Per Mårtensson,

Dan Zenkert,

Malin Åkermo

Publication year - 2015

Publication title -

proceedings of the institution of mechanical engineers part d journal of automobile engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.427

H-Index - 65

eISSN - 2041-2991

pISSN - 0954-4070

DOI - 10.1177/0954407015578037

Subject(s) - automotive industry , material selection , limiting , composite number , isotropy , partition (number theory) , process (computing) , computer science , materials science , carbon fibers , material properties , selection (genetic algorithm) , mechanical engineering , process engineering , composite material , engineering , mathematics , physics , quantum mechanics , combinatorics , artificial intelligence , aerospace engineering , operating system

A method for the early concept phase is proposed, which is aimed at limiting the financial and performance-related riskswhen designing a carbon fibre composite automotive body structure. The method manages the structural requirementsimposed on the complete body structure and analyses the suitability of different carbon fibre material systems and pro-cesses. It also studies whether a high level of material diversity is desirable and the way in which to identify the optimalpartition of the body structure from a material system and manufacturing process selection point of view. Furthermore,since composite materials include both laminated materials and quasi-isotropic materials, an approach is presented thatenables the comparison of these materials variants during conceptual material selection. A case study exemplifies themethod and the results show that, in spite of the cost-sensitive nature of the automotive industry, utilization of the max-imum performance of these expensive composite materials is more important than efforts to achieve a rapid manufac-turing process.

QC 20150623

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