Polylactic acid filaments were printed into simply supported beam impact specimens using a 3D printer. The size of the specimen shall comply with the provisions of specimen type 1 in Table 1 of GB/T1043.1-2008, without gaps. Recommended printing parameters: printing temperature 210℃, hot bed temperature 50℃, printing speed 80mm/s, vertical printing. If other printing parameters are used, they must be noted in the report. According to the regulations of GB/T1043.1-2008, lateral impact, no notch. Follow the provisions of Chapter 8 of GB/T1043.1-2008.
T/GZZJ 08-2020 history
2020T/GZZJ 08-2020 Determination of Charpy impact properties of polylactic acid filaments for 3D printing