Microstructures and Mechanical Properties of Laser-Sintered Commercially Pure Ti and Ti-6Al-4V Alloy for Dental Applications
Abstract
:1. Introduction
2. Experimental Procedure
2.1. Test Specimens
2.1.1. Laser Sintering and Dental Casting
2.1.2. Laser-Sintered Powders and Ti Material Rods
2.2. Evaluation of Physical Properties
2.3. Microstructural Observation
2.4. Static Immersion Test
2.5. Room-Temperature Tensile Tests
2.6. Fatigue Tests
3. Results and Discussion
3.1. Chemical Compositions and Physical Properties
3.2. Microstructure of Laser-Sintered Ti Materials
3.3. Mechanical Properties of Laser-Sintered Ti Materials
3.4. Fatigue Strengths of Laser-Sintered Ti Materials
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Alloy | Al | V | Fe | O | N | H | C | Ti |
---|---|---|---|---|---|---|---|---|
EOS CP Ti G 2 virgin powder | 0.16 | 0.15 | 0.01 | 0.002 | 0.01 | Bal. | ||
10-times-sintered powder | 0.17 | 0.15 | 0.008 | 0.0013 | 0.009 | Bal. | ||
10-times-sintered CP Ti G 2 rod | 0.17 | 0.16 | 0.017 | 0.0014 | 0.008 | Bal. | ||
TILOP CP Ti G 2 virgin powder | 0.015 | 0.11 | <0.005 | 0.0037 | 0.005 | Bal. | ||
10-times-sintered CP Ti powder | 0.015 | 0.12 | 0.006 | 0.0035 | 0.005 | Bal. | ||
Once-sintered CP Ti G 2 rod | 0.02 | 0.12 | 0.009 | 0.0032 | 0.002 | Bal. | ||
10-times-sintered CP Ti G 2 rod | 0.02 | 0.12 | 0.007 | 0.0037 | 0.004 | Bal. | ||
Dental-cast CP Ti G 2 rod | 0.103 | 0.17 | 0.007 | 0.0022 | 0.007 | Bal. | ||
Ti-6Al-4V powder | 6.05 | 3.89 | 0.21 | 0.11 | 0.003 | 0.002 | 0.006 | Bal. |
Laser-sintered Ti-6Al-4V rod | 5.93 | 3.91 | 0.20 | 0.14 | 0.022 | 0.002 | 0.007 | Bal. |
Specimen | σ0.2%PS /MPa | σUTS /MPa | TE (%) | RA (%) | σFS /MPa | σFS /σUTS |
---|---|---|---|---|---|---|
EOS CP Ti G 2 | ||||||
Once-sintered 90° | 412 ± 2 | 553 ± 3 | 26 ± 1 | 59 ± 1 | 320 | 0.58 |
10-times-sintered 0° | 437 ± 2 | 576 ± 1 | 28 ± 2 | 55 ± 1 | 365 | 0.63 |
10-times-sintered 90° | 426 ± 1 | 565 ± 1 | 25 ± 1 | 56 ± 1 | 320 | 0.57 |
TILOP CP Ti G 2 | ||||||
Once-sintered 90° | 445 ± 2 | 578 ± 3 | 27 ± 5 | 36 ± 10 | 330 | 0.57 |
Once-sintered 0° | 432 ± 6 | 576 ± 5 | 26 ± 3 | 50 ± 1 | 380 | 0.66 |
Once-sintered 45° | 419 ± 4 | 557 ± 3 | 22 ± 5 | 47 ± 6 | 290 | 0.52 |
10-times-sintered 90° | 371 ± 4 | 481 ± 6 | 22 ± 8 | 41 ± 14 | 340 | 0.71 |
Dental-cast CP Ti G 2 | 351 ± 2.2 | 466 ± 3 | 30 ± 6 | 68 ± 5 | 290 | 0.62 |
Wrought CP Ti G 2 | 276 ± 6 | 410 ± 4 | 40 ± 2 | 60 ± 6 | 280 | 0.68 |
Laser-sintered Ti-6Al-4V | 1171 ± 3 | 1305 ± 2 | 13 ± 1 | 31 ± 3 | 600 | 0.46 |
Wrought Ti-6Al-4V | 849 ± 1 | 934 ± 1 | 16 ± 1 | 42 ± 3 | 680 | 0.73 |
ISO 5832-4 | ≥275 | ≥345 | ≥20 |
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Okazaki, Y.; Ishino, A. Microstructures and Mechanical Properties of Laser-Sintered Commercially Pure Ti and Ti-6Al-4V Alloy for Dental Applications. Materials 2020, 13, 609. https://doi.org/10.3390/ma13030609
Okazaki Y, Ishino A. Microstructures and Mechanical Properties of Laser-Sintered Commercially Pure Ti and Ti-6Al-4V Alloy for Dental Applications. Materials. 2020; 13(3):609. https://doi.org/10.3390/ma13030609
Chicago/Turabian StyleOkazaki, Yoshimitsu, and Akira Ishino. 2020. "Microstructures and Mechanical Properties of Laser-Sintered Commercially Pure Ti and Ti-6Al-4V Alloy for Dental Applications" Materials 13, no. 3: 609. https://doi.org/10.3390/ma13030609