ESTG - Mestrado em Engenharia Automóvel
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Browsing ESTG - Mestrado em Engenharia Automóvel by Subject "Additive manufacturing"
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- Additive Manufacturing of a Vehicle Brake System ComponentPublication . Marques, José Diogo Sena Luz Da Cruz; Alves, Maria Leopoldina Mendes Ribeiro de Sousa; Sousa, Carlos Manuel Pereira Costa eThe present project aims to study the applicability of additive manufacturing (AM) in the automotive industry, namely, the applicability of AM in car parts production. A commercial vehicle can be described as a set of systems, all integrated and communicating each other, with a common goal, move you from point A to point B as secure as possible. The present study focused on the manufacture by AM of a part from one of the systems integrated in the vehicle, namely a brake calliper, component of the brake system. The Selective Laser Melting (SLM) was the AM process that was used to manufacture the part. It is important to understand that nowadays, a great level of evolution is occurring in the automotive industry. Some new technology had its origins in the racing world. Race teams lead by the big manufacturing car companies have the know-how and the opportunities to try and develop new technologies. This leads to a development in manufacturing processes associated with new components and materials. After some perfecting, the components and manufacturing techniques used in the racing industry find its way into the commercial vehicle market, leading to the endless flow of innovation that we see nowadays. The component selected to be developed and furthermore manufactured using AM was a brake calliper, part of the braking system of a racing vehicle. The new SLM produced brake callipers will be used in the Formula Student racing platform.
- Study of the Laser Metal Deposition (LMD) technology, in the automotive industryPublication . Ramalho, Francisco Miguel Quaresma; Alves, Maria Leopoldina Mendes Ribeiro de Sousa; Correia, Mário António SimõesThe last few decades in the automotive industry have been marked by a heavy concern with the environment, saving energy and reducing material wastage, while aiming to maintain good mechanical properties, essential in the components usage. Additive manufacturing (AM) techniques present themselves as a viable option in the matter, with Laser Metal Deposition (LMD), rising as one of the most promising techniques within this category, capable of producing near-net shape components, with a layer upon layer construction of three-dimensional solid parts from a 3D CAD model, with good mechanical properties and acceptable surface finishing. Laser Metal Deposition is a relatively recent technique, which is made noticeable by the lack of clarification about the influence of several parameters in the final component’s characteristics, ultimately leading to a scarce availability of the process in the market. This paper aims to clarify and evaluate, how LMD produced parts can suit the automotive industry, by measuring and analysing their behaviour under several mechanical tests.