After receiving many favorable comments and having interesting discussions regarding the Proceedings of the 4th International Conference "Advanced Composite Materials Engineering" COMAT 2012, and the Proceedings of the 5th International Conference "Computational Mechanics and Virtual Engineering" COMEC 2013, we are pleased to present these Proceedings of the 5th International Conference "Advanced Composite Materials Engineering" and the 3rd International Conference "Research & Innovation in Engineering" COMAT 2014. This conference was organized with the important support of Transilvania...