Analysis of Powder Binder Separation through Multiscale Computed Tomography
Abstract
:1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Method | Description | Advantages | Limitations |
---|---|---|---|
Optical Microscope | observing phases distribution in the surface | visible and direct | only surface information; introducing artifacts after sample preparation |
SEM | observing phases distribution in the surface | visible and direct | only surface information |
Density Test | sample is broken into many parts and density distribution is obtained | high reality | introducing artifacts after sample preparation destructive tests; time consuming |
Hardness Test | sample is broken into many parts and hardness distribution is obtained | high reality | destructive tests; time consuming |
Elements | Ti | Al | V | Fe | C | O | N |
---|---|---|---|---|---|---|---|
Weight (wt %) | Balance | 6.14 | 4.13 | 0.09 | 0.011 | 0.092 | 0.0004 |
Constituent | PW | LDPE | PP | SA | LPW | PEG-10,000 | Naphthalene |
---|---|---|---|---|---|---|---|
Melting Point (°C) Binder Weight (wt %) | 58 Balance | 125 5–10 | 4 12 | 66 5 | −24 5–9 | 65 3 | 80.5 6–10 |
Resolution (µm) | Voltage (kV) | Frames | Detector System |
---|---|---|---|
36 2.3 0.8 | 120 120 120 | 1440 1800 1800 | Flat panel Optical coupled with CCD-4×lens Optical coupled with CCD-10×lens |
Sample Number | Porosity Tested by Archimedes’ Principle (%) | Porosity Tested by CT Data (%) |
---|---|---|
1 2 3 4 5 6 | 43.5 49.4 54.8 58.2 62.8 66.9 | 44.3 50.5 54.7 58.8 63.4 67.4 |
Area | Amount | Vol. | Sphericity | ||
---|---|---|---|---|---|
Average Volume/μm3 | Standard Deviations | Average Value | Standard Deviations | ||
Region 1 | 6821 | 8008 | 13143 | 0.801 | 0.167 |
Region 2 | 7743 | 7749 | 17479 | 0.854 | 0.151 |
Region 3 | 7064 | 7942 | 14633 | 0.81 | 0.161 |
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Yang, S.; Xu, Q.; Liu, C.; Lu, X.; Qu, X.; Xu, Y. Analysis of Powder Binder Separation through Multiscale Computed Tomography. Metals 2019, 9, 329. https://doi.org/10.3390/met9030329
Yang S, Xu Q, Liu C, Lu X, Qu X, Xu Y. Analysis of Powder Binder Separation through Multiscale Computed Tomography. Metals. 2019; 9(3):329. https://doi.org/10.3390/met9030329
Chicago/Turabian StyleYang, Shidi, Qiaoli Xu, Chengcheng Liu, Xin Lu, Xuanhui Qu, and Ying Xu. 2019. "Analysis of Powder Binder Separation through Multiscale Computed Tomography" Metals 9, no. 3: 329. https://doi.org/10.3390/met9030329