Figures & data
Table 1. All composites prepared in the research.
Figure 1. Pictures of test specimens: (a) dimensions of test specimen according to ASTM D-1708-18 (ASTM D-1708-18 Citationn.d.), (b) composite – polylactic with raw flax fibers, (c) polylactic acid.
![Figure 1. Pictures of test specimens: (a) dimensions of test specimen according to ASTM D-1708-18 (ASTM D-1708-18 Citationn.d.), (b) composite – polylactic with raw flax fibers, (c) polylactic acid.](/cms/asset/a2384a6e-f7a1-4fed-89c3-a303cfedfe69/wjnf_a_2280042_f0001_oc.jpg)
Figure 2. Scanning electron microscopy images of composites with flax fibers without mercerization process and flax fibers with mercerization process in two resolution: 500 and 1.0 k.
![Figure 2. Scanning electron microscopy images of composites with flax fibers without mercerization process and flax fibers with mercerization process in two resolution: 500 and 1.0 k.](/cms/asset/3e4c92c0-f948-46b7-8f70-2638d03ab27b/wjnf_a_2280042_f0002_oc.jpg)
Figure 3. Thermogravimetric analysis of flax/PLA composites in the range of 200–500°C: (a) composites with flax fibers without mercerization process, (b) composites with flax fibers with mercerization process. The solid lines represent the TGA curves, while the dotted lines represent the DTG curves.
![Figure 3. Thermogravimetric analysis of flax/PLA composites in the range of 200–500°C: (a) composites with flax fibers without mercerization process, (b) composites with flax fibers with mercerization process. The solid lines represent the TGA curves, while the dotted lines represent the DTG curves.](/cms/asset/6b31d378-624b-4ff6-90a1-9ca4b6ae70da/wjnf_a_2280042_f0003_oc.jpg)
Table 2. Thermal stability results of flax fibers.
Figure 4. Microcalorimetric results of: (a) composites with flax fibers without mercerization process, (b) composites with flax fibers with mercerization process.
![Figure 4. Microcalorimetric results of: (a) composites with flax fibers without mercerization process, (b) composites with flax fibers with mercerization process.](/cms/asset/a261212c-dffe-4113-8b6e-23900a737a4d/wjnf_a_2280042_f0004_oc.jpg)
Figure 6. Stress–strain curves for PLA/flax fibers composites: (a) flax fibers without mercerization process, (b) flax fibers with mercerization process.
![Figure 6. Stress–strain curves for PLA/flax fibers composites: (a) flax fibers without mercerization process, (b) flax fibers with mercerization process.](/cms/asset/74416507-8391-4e87-ad43-24f691f87854/wjnf_a_2280042_f0006_oc.jpg)