Design and Structural Analysis of an Automotive Crash Box Using Advanced Hybrid Composite Materials and Optimized Polygonal Geometry . International Research Journal of Innovation in Science and Technology, [S. l.], v. 1, n. 3, p. 60–67, 2026. DOI: 10.67308/irjist.079. Disponível em: https://irjist.org/index.php/irjist/article/view/79. Acesso em: 29 jul. 2026.