TY - JOUR AB - Purpose Although the feasibility and effectiveness of the fused deposition modeling (FDM) method have been proposed and developed, studies of applying this technology to various materials are still needed for researching its applicability, especially with regard to polymer blends and composites. The purpose of this paper is to study the deposition-induced effect and the effect of compatibilizers on the mechanical properties of polypropylene and polycarbonate (PP/PC) composites.Design/methodology/approach For this purpose, three different deposition modes for PP/PC composites with or without compatibilizers were used for the FDM method and tested for tensile properties. Also, parts with the same materials were made by injection molding and used for comparison. In addition, different deposition speeds were used to investigate the different deposition-induced effects. Furthermore, the behavior of the mechanical properties was clarified with scanning electron microscope images of the fracture surfaces.Findings The research results suggest that the deposition orientation has a significant influence on the mechanical behavior of PP/PC composite FDM parts. The results also indicate that there is a close relationship between the mechanical properties and morphological structures which are deeply influenced by compatibilization. Compared with injection molded parts, the ductility of the FDM parts can be dramatically improved due to the formation of fibrils and micro-fibrils by the deposition induced during processing.Originality/value This is the first paper to investigate a PP/PC composite FDM process. The results of this paper verified the applicability of PP/PC composites to FDM technology. It is also the first time that the deposition-induced effect during FDM has been investigated and studied. VL - 23 IS - 5 SN - 1355-2546 DO - 10.1108/RPJ-12-2015-0189 UR - https://doi.org/10.1108/RPJ-12-2015-0189 AU - Zhou Ying-Guo AU - Su Bei AU - Turng Lih-sheng PY - 2017 Y1 - 2017/01/01 TI - Deposition-induced effects of isotactic polypropylene and polycarbonate composites during fused deposition modeling T2 - Rapid Prototyping Journal PB - Emerald Publishing Limited SP - 869 EP - 880 Y2 - 2024/05/05 ER -