Jon Molina-Aldareguia

Jon Molina-Aldareguia
Madrid Institute for Advanced Studies | IMDEA · IMDEA-Materials


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Projects (7)
Commercialization of the Quenched and Partitioned (Q&P) steels to a large extent is currently limited by the lack of knowledge on their application related performance properties. The OptiQPAP project (Optimization of QP steels designed for industrial applications) addresses optimization of performance properties of the Q&P steels for their application in automotive industry. The OptiQPAP project aims to deliver tools to optimize performance properties of Q&P steels while retaining their high mechanical strength via intelligent microstructural design. In other words, the microstructural design in Q&P steels will be carried out with the aim to improve various properties of different character (i.e. basic tensile properties and application-driven properties) simultaneously. The objectives of the OptiQPAP project include: To gain fundamental knowledge of the principles of microstructural design for engineering of Q&P steels exhibiting a combination of enhanced performance properties with improved mechanical strength. To establish the relationships between microstructural features of Q&P steels and various performance properties, such as fatigue, wear, weldability, crash behavior, etc. To establish the microstructure – properties relationship in the steels in the form of analytical and multi scale models precisely predicting properties of Q&P steels. To develop new AHSS design concepts with combination of improved performance properties (fatigue, wear, weldability, crashworthiness, etc.) and enhanced mechanical properties (strength, ductility and strain hardening) for their application in the automotive sector. To improve the industrial applicability of the Q&P process via optimization of performance properties in Q&P steels and to develop a controlled and reproducible process for their manufacturing. To create methods for future development of new Q&P grades with improved mechanical and performance properties while requiring a minimum of trial and error procedures.
Due to the rapid growth of the composite market, several European laws have emerged to minimize their environmental impact (EU 2000/53 / EC, End of life vehicles), as well as to make rational use of landfills (EU 1999/31 / EC). For example, in the aeronautical sector, composites can reach 50% by weight of the aircraft. Consequently, recyclability is a key issue. The objective of this project is the study of the recycling techniques of carbon fiber composites with thermoset polymer matrix in order to obtain fibers with similar properties to the original ones. In this way, the fibers could be reused in new composites by themselves or together with flass fibers in the manufacture of new hybrid composite materials. By this hybridization, materials with properties far superior to the GFRP would be obtained, but at much lower cost than the original CFRP. Therefore, this recycling and reprocesing strategies provides great economical attractiveness.