Porous Functional Graded Bioceramics with Integrated Interface Textures
Abstract
:1. Introduction
2. Materials and Methods
2.1. Fabrication of Porous Functional Graded Bioceramics with Integrated Interface Textures
- (A)
- (B)
- (C)
2.2. Characterization
3. Results
3.1. Microstructure of Porous FGCs with Integraded Interface Textures
3.2. Mechanical Properties of Porous FGCs with Integrated Interface Textures
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
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Hydroxyapatite (HAp) | |||
Homogeneous Porous Ceramics (from Ref. [36]) | |||
Pore former Content/Vol% | Porosity (Φp)/Vol% | Young’s Modulus (E)/GPa | Flexural strength (σf)/MPa |
0 | 11.2 ± 1.0 | 97.3 ± 1.9 | 69.0 ± 10.9 |
10 | 16.3 ± 1.3 | 83.1 ± 3.9 | 51.1 ± 12.5 |
20 | 28.8 ± 1.7 | 57.0 ± 2.5 | 31.4 ± 5.6 |
30 | 36.8 ± 1.4 | 42.8 ± 3.1 | 18.1 ± 2.3 |
40 | 45.2 ± 0.9 | 29.1 ± 0.9 | 13.0 ± 3.0 |
Phani model: | E0 = 131, b = 2.49 (R² = 0.999) | σ0 = 104, b = 3.69 (R² = 0.982) | |
Porous Functional Graded Ceramics (porous FGCs, this work) | |||
Porosity pairing/Texture Type | Porosity (Φp)/Vol% | Young’s Modulus (E)/GPa | Flexural strength (σf)/MPa |
0–30/Planar (A) | 23.3 ± 1.0 | 57.2 ± 3.0 | 17.9 ± 4.2 |
0–30/Waves (B) | 22.7 ± 1.3 | 58.7 ± 2.8 | 16.5 ± 1.8 |
0–30/Hills (C) | 22.7 ± 1.5 | 57.6 ± 3.9 | 17.5 ± 3.5 |
Power-law (Equation (3)) | k = 0.47 (R² = 0.999) | ||
Alumina (Al2O3) | |||
Homogeneous Porous Ceramics (this work) | |||
Pore former content/Vol% | Porosity (Φp)/Vol% | Young’s Modulus (E)/GPa | Flexural strength (σf)/MPa |
0 | 7.7 ± 1.3 | 357.3 ± 15.7 | 221.9 ± 45.1 |
10 | 18.6 ± 1.3 | 254.4 ± 10.8 | 155.5 ± 27.8 |
20 | 28.6 ± 0.9 | 187.1 ± 3.6 | 122.3 ± 25.8 |
30 | 37.7 ± 0.9 | 136.0 ± 9.6 | 86.5 ± 14.1 |
40 | 48.2 ± 1.1 | 93.0 ± 4.8 | 58.8 ± 11.1 |
Phani model: | E0 = 415, b = 2.34 (R² = 0.995) | σ0 = 256, b = 2.27 (R² = 0.995) | |
Porous Functional Graded Ceramics (Porous FGCs, this work) | |||
Porosity Pairing /Texture Type | Porosity (Φp)/Vol% | Young’s Modulus (E)/GPa | Flexural Strength (σf)/MPa |
0–30/Planar (A) | 24.3 ± 2.3 | 196.2 ± 12.7 | 84.9 ± 20.7 |
0–30/Waves (B) | 23.8 ± 1.8 | 197.2 ± 8.9 | 80.3 ± 15.7 |
0–30/Hills (C) | 23.4 ± 0.9 | 193.4 ± 5.8 | 82.4 ± 25.2 |
Power-law (Equation (3)) | k = 0.45 (R² = 0.999) |
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Biggemann, J.; Köllner, D.; Simon, S.; Heik, P.; Hoffmann, P.; Fey, T. Porous Functional Graded Bioceramics with Integrated Interface Textures. Ceramics 2021, 4, 681-695. https://doi.org/10.3390/ceramics4040048
Biggemann J, Köllner D, Simon S, Heik P, Hoffmann P, Fey T. Porous Functional Graded Bioceramics with Integrated Interface Textures. Ceramics. 2021; 4(4):681-695. https://doi.org/10.3390/ceramics4040048
Chicago/Turabian StyleBiggemann, Jonas, David Köllner, Swantje Simon, Paula Heik, Patrizia Hoffmann, and Tobias Fey. 2021. "Porous Functional Graded Bioceramics with Integrated Interface Textures" Ceramics 4, no. 4: 681-695. https://doi.org/10.3390/ceramics4040048