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Table 7.

Tensile properties of representative PLA with 5 wt.% lignin specimens, with and without premature failure, exhibited for both CAM programs used for fabrication.

Sample CAM program E (GPa) Spf (MPa) Elpf (%) UTS (MPa) el (%)
Vox_PLA/Lignin a Voxelizer 2.03 22.4 1.30–1.34 39.2 2.99
Vox_PLA/Lignin b Voxelizer 2.16 43.6 2.93
Sli_PLA/Lignin a Slic3r 2.25 24.0 1.23–1.28 43.1 2.88
Sli_PLA/lignin b Slic3r 2.17 41.8 2.44

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