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The advancement of new materials in the automotive industry has enabled a new era for the security sector, making possible a replacement of conventional metallic materials by alternative materials that have good mechanical resistance. In this way, it is possible to reduce the dead weight of the car, reduce consumption and manufacturing costs. It is currently widely used high strength steel alloys such as AISI 1018 or aluminum on the frontal chassis rails also called longitudinal beam, essential element to ensure passenger safety. The objective of the work is to analyze the behavior of equivalent stresses between a longitudinal beam made of composite material of high resistance, as CFRP (carbon fiber reinforced polymer) and aluminum alloy. Therefore, the work verifies the column deformation based on static analysis and the force applied in the study is equivalent to the compressive tests obtained from literature.

Due to the mass production process of the automobile industry, develop a product by reducing its cost has become an important aspect in its elaboration. This goal is to replace the higher cost material for an alternative that offers the same performance at a lower cost. The use of composite materials in the automotive industry has gradually evolved over the years. However, the use of composite materials in the structure of the automobile depends on a number of factors, such as large production scale, fast manufacturing process and economy, suiting the high demand of the automobile industry. Fiberglass composites are widely used in the market because of their good mechanical and physical properties combined with the comparatively low cost of production.