Table 29.
The influence of annealing process on the mechanical properties of PEEK51 3D-printed samples [47].
| PEEK51 vertical orientation | as printed | LAT 2 h |
LAT 4 h | HAT 2 h | HAT 4 h | Difference,% | |||
|---|---|---|---|---|---|---|---|---|---|
| LAT 2 h | LAT 4 h | HAT 2 h | HAT 4 h | ||||||
| Elastic modulus, MPa | 24,000 | 32,000 | 34,000 | 25,000 | 28,000 | 33.33 | 41.67 | 4.17 | 16.67 |
| Strength, MPa | 26 | 24 | 25 | 10 | 18 | −7.69 | −3.85 | −61.54 | −30.77 |
| Elongation at break, % | 2.70 | 2.20 | 2.50 | 0.80 | 1.50 | −18.52 | −7.41 | −70.37 | −44.44 |
|
PEEK51
flat orientation |
as printed |
LAT
2 h |
LAT 4 h | HAT 2 h | HAT 4 h | Difference,% | |||
| LAT 2 h | LAT 4 h | HAT 2 h | HAT 4 h | ||||||
| Elastic modulus, MPa | 2800 | 3000 | 3300 | 3100 | 3200 | 7.14 | 17.86 | 10.71 | 14.29 |
| Strength, MPa | 60 | 76 | 72 | 68 | 68 | 26.67 | 20.00 | 13.33 | 13.33 |
| Elongation at break, % | 9 | 13 | 12 | 8 | 13 | 44.44 | 33.33 | −11.11 | 44.44 |
|
PEEK51
side orientation |
as printed |
LAT
2 h |
LAT 4 h | HAT 2 h | HAT 4 h | Difference,% | |||
| LAT 2 h | LAT 4 h | HAT 2 h | HAT 4 h | ||||||
| Elastic modulus, MPa | 25,000 | 29,000 | 33,000 | 27,000 | 28,000 | 16.00 | 32.00 | 8.00 | 12.00 |
| Strength, MPa | 50.00 | 48.00 | 46.00 | 60.00 | 46.00 | −4.00 | −8.00 | 20.00 | −8.00 |
| Elongation at break, % | 8.00 | 5.00 | 4.00 | 8.00 | 4.00 | −37.50 | −50.00 | 0 | −50.00 |