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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liu, Y. Q. Shang, Q. H. Zhang, D. H. Wang, Y. X. Sun, T. T. |
| Copyright Year | 2016 |
| Abstract | Thermal flow-reversal oxidation is the main technology that can effectively reduce emissions of ventilation air methane. As the core component of coal mine ventilation oxidation devices, honeycomb ceramic oxidation beds play a decisive role in the functionality of these devices. The thermal fatigue properties of mullite ceramic, which is commonly used in oxidation beds, were tested in the present research. Then, the service life of the oxidation bed was predicted according to the intensity attenuation law and the thermal fatigue experimental data. The results of the fatigue experiment indicated that in general, the bending strength of mullite ceramics decreases as thermal shocks increase. At higher temperature differences, the bending strength decreased at higher rates. At the temperature differences between 600 and 800°C, the bending strength initially declined. Then, after reaching a certain value, it remained unchanged for a while before declining again. The calculation results via the proposed equation based on the intensity attenuation theory and the thermal fatigue experimental data indicate that the thermal fatigue life of an oxidation bed is about 1–8 months. The predicted result is consistent with actual working conditions. |
| Starting Page | 8 |
| Ending Page | 13 |
| Page Count | 6 |
| File Format | |
| ISSN | 00392316 |
| Journal | Strength of Materials |
| Volume Number | 48 |
| Issue Number | 1 |
| e-ISSN | 15739325 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-03-22 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | oxidation bed mullite ceramics thermal fatigue performance fatigue life Characterization and Evaluation of Materials Structural Mechanics Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials |
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