Development high temperature resistant materials using carbon/phenolic prepregs with nanoclays

L. ASARO; L.B. MANFREDI; V. A. ALVAREZ; E.S. RODRIGUEZ

Montreal

Conferencia; The 19th International Conference on Composite Materials (ICCM19).; 2013

The aim of this work is to obtain and to characterize phenolic resin/carbon fiber- prepregs and its composites, which can be used in the aerospace industry. Nanoclays (bentonites) were chemically modified and added to phenolic resin in order to evaluate their effect on the performance of the material. Cone calorimeter fire properties of the composites were studied. Phenolic resin-carbon fiber prepregs could be obtained and characterized. Also, the effect to adding nanoclays to the phenolic resin was studied. The degree of tack was increased with the addition of bentonite and the fiber volume fraction achieved in the final composite was reduced. These effects were attributed to the increase in the viscosity of the phenolic resin. Regarding the composite materials, the addition of clay was detrimental for the mechanical properties of the phenolic based materials, while improved some fire properties such as the peak of the heat release rate and the residual mass of the burned samples. Also, the bentonite modified composited required higher time to develop the maximum of the Heat Release Rate in the material.