Recycling of composite materials

Usage of composite material is rising across various sectors such as automotive, wind energy and aerospace. Compared to metal matrix composites (MMCs) and ceramic matrix composites (CMCs), thermoset based polymer matrix composites (PMCs) dominate the market. The heterogeneous nature of composite materials and cross-linked nature of the thermoset matrix make recycling to be difficult. Research and development in recycling such material is required. In this chapter, composite recycling techniques are explained and reviewed from the aspect of energy consumption and mechanical properties of the recyclate. Possible reuse applications are suggested. This chapter highlights the concept of composite material sustainability and circular economy.