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- W4363678426 endingPage "1817" @default.
- W4363678426 startingPage "1817" @default.
- W4363678426 abstract "Polyhydroxyalkanoates are natural polyesters synthesized by microorganisms and bacteria. Due to their properties, they have been proposed as substitutes for petroleum derivatives. This work studies how the printing conditions employed in fuse filament fabrication (FFF) affect the properties of poly(hydroxybutyrate-co-hydroxy hexanoate) or PHBH. Firstly, rheological results predicted the printability of PHBH, which was successfully realized. Unlike what usually happens in FFF manufacturing or several semi-crystalline polymers, it was observed that the crystallization of PHBH occurs isothermally after deposition on the bed and not during the non-isothermal cooling stage, according to calorimetric measurements. A computational simulation of the temperature profile during the printing process was conducted to confirm this behavior, and the results support this hypothesis. Through the analysis of mechanical properties, it was shown that the nozzle and bed temperature increase improved the mechanical properties, reducing the void formation and improving interlayer adhesion, as shown by SEM. Intermediate printing velocities produced the best mechanical properties." @default.
- W4363678426 created "2023-04-11" @default.
- W4363678426 creator A5009936560 @default.
- W4363678426 creator A5028921561 @default.
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- W4363678426 creator A5061460594 @default.
- W4363678426 creator A5082497370 @default.
- W4363678426 creator A5083838983 @default.
- W4363678426 date "2023-04-07" @default.
- W4363678426 modified "2023-10-17" @default.
- W4363678426 title "Influence of FFF Process Conditions on the Thermal, Mechanical, and Rheological Properties of Poly(hydroxybutyrate-co-hydroxy Hexanoate)" @default.
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