Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design
Abstract
:1. Introduction
2. Materials and Methods
2.1. Design of Experiment
2.2. Sample Preparation
2.3. Materials Characterization and Testing
3. Results
3.1. Elastic Modulus, Hardness and Weight Loss Measurement
3.2. Microstructural Observation
3.3. Half-Normal Plot for Standardized Effect and Analysis of Variance
3.4. Fit Statistic Calculation
4. Discussion
4.1. Analysis of Mechanical Properties
4.2. Analysis of Corrosion Behavior
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Factors | Lower Limits | Center Points | Upper Level |
---|---|---|---|
Percentage of CNF (%) | 0.1 | 1.05 | 2.0 |
Compaction pressure (MPa) | 100 | 250 | 400 |
Sintering temperature (°C) | 300 | 400 | 500 |
Sintering time (h) | 1 | 2.5 | 4 |
Run | Factors | Responses | |||||
---|---|---|---|---|---|---|---|
Percentage of CNF (wt %) | Compaction Pressure (MPa) | Sintering Temperature (°C) | Sintering Time (h) | Elastic Modulus (MPa) | Hardness (Hv) | Weight Loss after 3 Days (%) | |
1 | 0.1 | 400 | 300 | 1 | 3049 ± 157 | 49.4 ± 4.2 | 98 |
2 | 0.1 | 100 | 500 | 1 | 2866 ± 200 | 52.1 ± 5.3 | 100 |
3 | 2 | 400 | 500 | 4 | 4435 ± 108 | 60.1 ± 4.9 | 55.4 |
4 | 2 | 100 | 500 | 1 | 3868 ± 149 | 55.3 ± 7.4 | 59.1 |
5 | 2 | 400 | 300 | 4 | 3990 ± 215 | 56.2 ± 7.5 | 57.7 |
6 | 2 | 400 | 500 | 1 | 4685 ± 278 | 57.8 ± 4.7 | 54.2 |
7 | 0.1 | 100 | 300 | 4 | 3092 ± 192 | 48.9 ± 6.1 | 100 |
8 | 2 | 400 | 500 | 1 | 4607 ± 68 | 54.2 ± 8.8 | 53.9 |
9 | 0.1 | 100 | 300 | 1 | 2788 ± 178 | 53.8 ± 6.2 | 100 |
10 | 2 | 100 | 500 | 1 | 3764 ± 133 | 54.3 ± 5.9 | 60.2 |
11 | 0.1 | 400 | 500 | 1 | 3070 ± 183 | 57.2 ± 4.7 | 99.2 |
12 | 2 | 100 | 300 | 1 | 3861 ± 141 | 53 ± 5.3 | 58.6 |
13 | 0.1 | 100 | 500 | 1 | 3246 ± 134 | 48.9 ± 3.9 | 100 |
14 | 1.05 | 250 | 400 | 2.5 | 3392 ± 125 | 53.2 ± 4.2 | 80.3 |
15 | 0.1 | 400 | 300 | 4 | 3180 ± 182 | 51.7 ± 3.2 | 99.4 |
16 | 2 | 100 | 300 | 4 | 3775 ± 192 | 52.1 ± 3.8 | 59.2 |
17 | 2 | 100 | 500 | 4 | 3914 ± 179 | 58.5 ± 3.2 | 60.1 |
18 | 0.1 | 100 | 500 | 4 | 3468 ± 100 | 49.1 ± 9.1 | 100 |
19 | 0.1 | 100 | 500 | 4 | 3144 ± 196 | 52.1 ± 6.2 | 100 |
20 | 0.1 | 100 | 300 | 4 | 3015 ± 213 | 49.2 ± 7.2 | 100 |
21 | 2 | 400 | 300 | 1 | 4603 ± 137 | 59.8 ± 4.5 | 58.9 |
22 | 2 | 400 | 500 | 4 | 4541 ± 137 | 58.1 ± 5.1 | 51.2 |
23 | 0.1 | 400 | 500 | 1 | 3042 ± 157 | 54.7 ± 5.5 | 100 |
24 | 0.1 | 400 | 500 | 4 | 3341 ± 158 | 52.3 ± 2.5 | 100 |
25 | 0.1 | 400 | 300 | 1 | 3319 ± 278 | 48.6 ± 6.3 | 100 |
26 | 2 | 400 | 300 | 4 | 4072 ± 206 | 57.9 ± 5.3 | 57.9 |
27 | 2 | 100 | 500 | 4 | 4359 ± 201 | 56.9 ± 3.2 | 60 |
28 | 2 | 400 | 300 | 1 | 4251 ± 246 | 57 ± 1.6 | 55.8 |
29 | 1.05 | 250 | 400 | 2.5 | 3439 ± 198 | 50.8 ± 5.6 | 80.1 |
30 | 2 | 100 | 300 | 1 | 3766 ± 358 | 55 ± 3.9 | 63.6 |
31 | 2 | 100 | 300 | 4 | 3644 ± 153 | 54.3 ± 3.7 | 63.1 |
32 | 1.05 | 250 | 400 | 2.5 | 3242 ± 235 | 50.9 ± 6.8 | 82.4 |
33 | 0.1 | 400 | 300 | 4 | 3516 ± 168 | 50.1 ± 4.5 | 100 |
34 | 0.1 | 100 | 300 | 1 | 3237 ± 174 | 50 ± 7.3 | 100 |
35 | 0.1 | 400 | 500 | 4 | 3247 ± 215 | 52.9 ± 4.9 | 100 |
36 | 1.05 | 250 | 400 | 2.5 | 3405 ± 257 | 51 ± 6.2 | 79.6 |
Source | df | Mean Square | F-Value | p-Value | Lack of Fit | |
---|---|---|---|---|---|---|
F-Value | p-Value | |||||
Model-Elastic modulus | 12 | 7.907 × 105 | 30.44 | <0.0001 | 0.3655 | 0.787 |
A-Percentage of CNF | 1 | 7.523 × 106 | 289.69 | <0.0001 | ||
B-Compaction Pressure | 1 | 8.256 × 105 | 31.79 | <0.0001 | ||
C-Sintering Temperature | 1 | 1.861 × 105 | 7.16 | <0.0001 | ||
D-Sintering Time | 1 | 15,753.13 | 0.6066 | 0.4444 | ||
AB | 1 | 3.457 × 105 | 13.31 | 0.0014 | ||
AC | 1 | 1.228 × 105 | 4.73 | 0.0407 | ||
AD | 1 | 1.326 × 105 | 5.11 | 0.0341 | ||
BC | 1 | 6786.13 | 0.2613 | 0.6143 | ||
BD | 1 | 54,120.50 | 2.08 | 0.1629 | ||
CD | 1 | 1.119 × 105 | 4.31 | 0.0498 | ||
ABC | 1 | 65,884.50 | 2.54 | 0.1255 | ||
ABD | 1 | 97,461.13 | 3.75 | 0.0657 | ||
Model-Hardness | 15 | 22.14 | 9.18 | <0.0001 | 1.43 | 0.2435 |
A-Percentage of CNF | 1 | 197.51 | 81.90 | <0.0001 | ||
B-Compaction Pressure | 1 | 37.20 | 15.42 | 0.0009 | ||
C-Sintering Temperature | 1 | 23.63 | 9.80 | 0.0055 | ||
D-Sintering Time | 1 | 0.0153 | 0.0063 | 0.9373 | ||
AB | 1 | 2.48 | 1.03 | 0.3237 | ||
AC | 1 | 1.85 | 0.7683 | 0.3917 | ||
AD | 1 | 8.10 | 3.36 | 0.0826 | ||
BC | 1 | 1.02 | 0.4210 | 0.5242 | ||
BD | 1 | 0.1128 | 0.0468 | 0.8311 | ||
CD | 1 | 4.28 | 1.77 | 0.1987 | ||
ABC | 1 | 25.03 | 10.38 | 0.0045 | ||
ABD | 1 | 0.3403 | 0.1411 | 0.7113 | ||
ACD | 1 | 13.65 | 5.66 | 0.0280 | ||
BCD | 1 | 6.94 | 2.88 | 0.1062 | ||
ABCD | 1 | 10.01 | 4.15 | 0.0558 | ||
Model-Weight loss | 3 | 4675.76 | 1879.06 | <0.0001 | 1.36 | 0.2655 |
A-Percentage of CNF | 1 | 13,931.98 | 5598.89 | <0.0001 | ||
B-Compaction Pressure | 1 | 55.92 | 22.47 | <0.0001 | ||
AB | 1 | 39.38 | 15.83 | 0.0004 |
R2/Responses | Response 1 | Response 2 | Response 3 |
---|---|---|---|
R2 | 0.9432 | 0.8788 | 0.9945 |
Adjusted R2 | 0.9122 | 0.7831 | 0.9940 |
Predicted R2 | 0.8413 | 0.5385 | 0.9927 |
Adequate Precision | 16.2332 | 9.4642 | 75.4830 |
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Tuminoh, H.; Hermawan, H.; Ramlee, M.H. Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design. Metals 2021, 11, 278. https://doi.org/10.3390/met11020278
Tuminoh H, Hermawan H, Ramlee MH. Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design. Metals. 2021; 11(2):278. https://doi.org/10.3390/met11020278
Chicago/Turabian StyleTuminoh, Herman, Hendra Hermawan, and Muhammad Hanif Ramlee. 2021. "Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design" Metals 11, no. 2: 278. https://doi.org/10.3390/met11020278