Injection Molding Process Simulation of Polycaprolactone Sticks for Further 3D Printing of Medical Implants
Abstract
:1. Introduction
2. Materials and Methods
2.1. Material Data Collection
2.2. Injection Molding Simulation
3. Results
4. Discussion
5. Conclusions
6. Patents
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Parameter | Value | Literature |
---|---|---|
Rheological properties. Viscosity model: Cross-WLF | ||
D2 [K] | 243.15 | [10,14,15] |
n | 0.1547 | |
D1 [Pa∙s] | 2.21915 × 1012 | |
τ* [Pa] | 429,551 | |
A1 | 29.20632 | |
A2 [K] | 51.6 | |
Physical Properties | ||
Solid density, kg/m3 | 1140 | [19] |
Thermal Properties | ||
Glass transition, °C | −60 | [16,17,18] |
Specific heat, [J/kgK] | 2100 | |
Melt flow rate (MFR), g/10 min (190 °C/2.16 kg) | 28 | |
Thermal conductivity, [W/m·K] (20 °C) | 0.1 | |
Melting point [°C] | 60–62 | |
Mechanical properties | ||
Yield stress, σy, [MPa] | 17.5 | [20] |
Tensile modulus [MPa] | 430 | [18] |
Poisson’s ratio | 0.44 | [20] |
P–V–T (Pressure–Volume–Temperature) Properties 13-Parameter Modified Tait Equation | |
---|---|
Parameter | Value |
b1m [m3/kg] | 9.463 × 10−4 |
b2m [m3/(kg-K)] | 6.514 × 10−7 |
b3m [Pa] | 2.030180 × 108 |
b4m [1/K] | 4.521 × 10−3 |
b1s [m3/kg] | 9.045 × 10−4 |
b2s [m3/(kg-K)] | 6.291 × 10−7 |
b3s [Pa] | 2.52593 × 108 |
b4s [1/K] | 7.368 × 10−3 |
b5 [K] | 336.77 |
b6 [K/Pa] | 1.497 × 10−8 |
b7 [m3/kg] | 4.181 × 10−5 |
b8 [1/K] | 4.042 × 10−1 |
b9 [1/Pa] | 7.393 × 10−9 |
Mesh Details | |
---|---|
solver type | AMG (algebraic multigrid) |
mesh type | solid mesh |
mesh volume, [mm3] | 955 |
mesh type | tetrahedral hybrid |
total elements of surface mesh | 59,756 |
total nodes of surface mesh | 29,857 |
total elements of solid mesh | 394,602 |
total nodes of solid mesh | 119,344 |
analyze type | fill and pack |
Process Details | |
---|---|
Process Parameter | Value |
ambient temperature, [°C] | 22 |
melt temperature, [°C] | 170 |
mold temperature, [°C] | 22 |
filling time, [sec] | 1 |
injection pressure at the nozzle (filling), [MPa] | 130 |
packing time, [sec] | 2.5 |
injection pressure at the nozzle (packing), [MPa] | 20 |
cooling time, [sec] | 25 |
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Formas, K.; Kurowska, A.; Janusz, J.; Szczygieł, P.; Rajzer, I. Injection Molding Process Simulation of Polycaprolactone Sticks for Further 3D Printing of Medical Implants. Materials 2022, 15, 7295. https://doi.org/10.3390/ma15207295
Formas K, Kurowska A, Janusz J, Szczygieł P, Rajzer I. Injection Molding Process Simulation of Polycaprolactone Sticks for Further 3D Printing of Medical Implants. Materials. 2022; 15(20):7295. https://doi.org/10.3390/ma15207295
Chicago/Turabian StyleFormas, Krzysztof, Anna Kurowska, Jarosław Janusz, Piotr Szczygieł, and Izabella Rajzer. 2022. "Injection Molding Process Simulation of Polycaprolactone Sticks for Further 3D Printing of Medical Implants" Materials 15, no. 20: 7295. https://doi.org/10.3390/ma15207295