Estudo sobre a avaliação da qualidade de shapes de skates e o desenvolvimento de metodologias para caracterização física e mecânica

• Autor(a) principal: Marangon, Rodrigo de Mata [UNESP]
• Data de Publicação: 2018
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/203738; http://www.athena.biblioteca.unesp.br/exlibris/bd/capelo/2020-01-20/000924735.pdf
• topic: Madeira - Produtos; Compensados de madeira; Colagem; Skate (Esporte); Resistência de materiais

Since the creation of skateboarding in the 1950s, it has been possible to observe the growth of skateboarding as a sport, from a recreational practice to Olympic sport status. This evidences the significant increase in the number of practitioners of this sport and the development of applied science in the area. A fundamental part of the skateboard, the deck is a laminated plywood board where the axles that receive the wheels are fixed, this product suffers damages due to the efforts undergone during the practice of the sport. The evaluation of the quality and characteristics of the skateboard are important to guarantee and ensure the quality of the products and the practice of the sport, as well as the safety of the practitioners. For the analysis of the physical and mechanical characteristics, six different types of tests were performed, in ten types of commercial decks, all with different combinations of wood, adhesive and reinforcement, two of them specially developed for this work. In this context, tests were carried out to determine the specific mass, determination of the moisture content, determination of bonding quality, determination of resistance to static bending, determination of the resistance to static bending in real scale and analysis of energy absorption, being the last two new methodologies. At the end, the results of each of the steps were analyzed and the deck types were ranked based on values of relevance for each measured variable. It was concluded the importance of the use of glass fiber reinforcement and epoxy adhesive to increase mechanical strength, however, it must be taken into account the increase in its specific mass. After finishing the ranking, one of the lines formed by Acer saccharum sheets and epoxy adhesive showed the best performance of the analyzed variables. With clearer information about the characteristics of the deck configurations, it is expected that the companies can have a better orientation regarding...