autores João Pedro Lourenço Gil Nunes Silva, J. F. Nunes, J. P. Duro, A. C. Castro, B. F. Silva, J.F. Nunes, J.P. Duro, A.C. Castro, B.F.
palavras-chave Composite maeterials Composite materials Flax Jute Natural fibers Polypropylene Sisal Thermoplastic Thermoplastics