Table 3 Xc, σbm, Em, vm and Gm values for non-isothermal crystallisation of PEEK.
T (°C) | Φ (°C/min) | Ts (°C) | Tp (°C) | Xc (100%) | Em (GPa) | vm | Gm (GPa) | σbm (MPa) |
---|---|---|---|---|---|---|---|---|
360 | 2 | 314.21 | 310.11 | 43.68 | 4.60 | 0.28 | 1.79 | 122.70 |
360 | 10 | 304.30 | 298.90 | 40.54 | 4.57 | 0.30 | 1.75 | 111.96 |
360 | 25 | 290.71 | 285.20 | 36.98 | 4.45 | 0.32 | 1.68 | 106.11 |
360 | 50 | 286.59 | 279.81 | 33.02 | 4.33 | 0.34 | 1.62 | 100.34 |
360 | 100 | 283.28 | 277.55 | 31.54 | 4.23 | 0.36 | 1.56 | 86.08 |
360 | 150 | 279.58 | 271.15 | 28.03 | 4.17 | 0.37 | 1.50 | 79.27 |
360 | 200 | 267.28 | 257.70 | 26.95 | 4.01 | 0.39 | 1.47 | 71.73 |
360 | 300 | 24.32 | 3.97 | 0.40 | 1.40 | 61.36 | ||
360 | 1000 | 19.71 | 3.53 | 0.44 | 1.23 | 52.91 | ||
360 | 1500 | 17.52 | 3.44 | 0.45 | 1.19 | 48.64 | ||
360 | 2700 | 14.38 | 3.23 | 0.47 | 1.10 | 40.04 | ||
380 | 2 | 312.35 | 308.29 | 40.11 | 4.54 | 0.29 | 1.76 | 114.30 |
380 | 10 | 302.21 | 296.85 | 38.04 | 4.49 | 0.31 | 1.71 | 107.75 |
380 | 25 | 287.79 | 282.27 | 35.62 | 4.41 | 0.33 | 1.66 | 101.38 |
380 | 50 | 283.45 | 276.48 | 32.06 | 4.25 | 0.35 | 1.58 | 93.14 |
380 | 100 | 279.39 | 272.86 | 29.16 | 4.11 | 0.37 | 1.50 | 84.00 |
380 | 150 | 275.56 | 267.40 | 27.38 | 4.05 | 0.38 | 1.45 | 75.64 |
380 | 200 | 264.73 | 253.41 | 26.41 | 3.88 | 0.39 | 1.41 | 64.88 |
380 | 300 | 24.01 | 3.83 | 0.41 | 1.34 | 57.29 | ||
380 | 1000 | 17.83 | 3.31 | 0.45 | 1.16 | 48.88 | ||
380 | 1500 | 16.54 | 3.24 | 0.45 | 1.11 | 44.64 | ||
380 | 2700 | 12.15 | 2.99 | 0.48 | 1.01 | 34.25 | ||
400 | 2 | 310.30 | 306.71 | 37.77 | 4.48 | 0.29 | 1.73 | 108.32 |
400 | 10 | 300.01 | 295.80 | 35.99 | 4.41 | 0.32 | 1.68 | 101.99 |
400 | 25 | 284.21 | 278.92 | 34.13 | 4.36 | 0.33 | 1.63 | 93.12 |
400 | 50 | 279.66 | 273.24 | 31.22 | 4.17 | 0.36 | 1.54 | 86.04 |
400 | 100 | 274.88 | 268.60 | 29.40 | 4.00 | 0.37 | 1.45 | 78.13 |
400 | 150 | 270.63 | 264.34 | 26.73 | 3.93 | 0.39 | 1.40 | 70.96 |
400 | 200 | 261.41 | 250.05 | 25.89 | 3.73 | 0.40 | 1.36 | 61.25 |
400 | 300 | 23.13 | 3.67 | 0.42 | 1.27 | 54.32 | ||
400 | 1000 | 16.83 | 3.10 | 0.45 | 1.08 | 44.00 | ||
400 | 1500 | 15.50 | 3.08 | 0.46 | 1.05 | 38.28 | ||
400 | 2700 | 10.93 | 2.76 | 0.49 | 0.93 | 29.02 |