Abstract
In this chapter, an experimental investigation has been reported to realize the 4D capabilities of polyamide (PA)6-Al-Al2O3-based composite feedstock filament for fused deposition modeling (FDM) process. The change in length of the composite feedstock filament specimens has been tested by stretching on tensile testing machine with a rate of 30mm/minute for 10seconds and after releasing the load, the specimens have been exposed to the room temperature conditions for 2hours. The four types of testing condition were considered, that is, specimens without any stimulus; specimens with water; heat and hydrothermal stimulus. Further, the particle morphology was assessed by using scanning electronic microscope images. The results show that the specimen exposed to thermal stimulus has better 4D capabilities in present case study.
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