Table 1.
Chemical components, density, and tensile properties of NW and densified wood.
| Samples | Lignin Content (%) | Cellulose Content (%) | Hemicellulose Content (%) | Density (g cm−3) |
Tensile Strength (MPa) | Elastic Modulus (GPa) |
|---|---|---|---|---|---|---|
| NW | 24.7 (0.4) | 45.4 (0.5) | 19.2 (0.3) | 0.44(0.04) | 68.4 (20.4) | 5.9 (1.6) |
| DW-W1 | 24.7 (0.2) | 45.3 (0.7) | 19.5 (0.7) | 1.06(0.05) | 168.9 (22.6) | 12.7 (2.1) |
| DW-A1 | 20.4 (0.1) | 62.3 (1.2) | 8.9 (1.2) | 1.32(0.03) | 294.3 (46.8) | 13.7 (2.7) |
| DW-A2 | 20.2 (0.5) | 64.7 (1.1) | 9.3 (1.2) | 1.31(0.00) | 353.0 (25.0) | 17.8 (2.5) |
| DW-A3 | 19.3 (0.6) | 66.7 (0.9) | 8.5 (0.9) | 1.34(0.02) | 398.5 (36.7) | 22.5 (1.5) |
| DW-A4 | 18.4 (0.4) | 68.7 (0.6) | 9.7 (1.1) | 1.33(0.02) | 356.1 (31.2) | 21.3 (2.0) |
| DW-A8 | 18.4 (0.7) | 72.7 (0.8) | 8.7 (0.5) | 1.30(0.04) | 334.7 (41.5) | 17.1 (2.2) |
| DW-A12 | 19.0 (0.5) | 74.3 (0.7) | 8.0 (0.7) | 1.26(0.02) | 296.2 (39.3) | 15.7 (1.2) |