Table 3 Xc, σbm, Em, vm and Gm values for non-isothermal crystallisation of PEEK.

From: The prediction of the effects of non-isothermal molding/reprocessing on the crystallinity and mechanical properties of PEEK and CF/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