Additive manufacturing of polymer matrix composites via direct ink writing process

This chapter examines the current state-of-the-art in additive manufacturing of polymer matrix composites (PMCs) using direct ink writing (DIW) processes. The focus is on research in the past decade, which has seen significant advancements in DIW technology, materials, and applications for PMCs fabrication. The chapter starts with an overview of DIW processes, highlighting their principles, advantages, and applications for PMCs fabrication. It also discusses recent developments in advanced DIW techniques for PMC fabrication, such as multimaterial DIW and in situ reinforcement using chopped fibers and continuous fibers. Moreover, it summarizes the advancements in properties of DIW printed PMCs in various fields, including thermal conductivity, mechanical performance, and electrical conductivity, and explores their applications in biomedical implants, soft robots, aerospace structures, and energy storage devices. The chapter concludes with a discussion of the current limitations and future prospects of DIW technology for PMC fabrication, highlighting the need for more advanced materials and improved processing techniques. Overall, this chapter provides valuable insights into the current state-of-the-art in DIW-based additive manufacturing of PMCs and their potential applications in various areas.