热障涂层陶瓷层材料LnMgAl11O19(Ln=La, Nd)粉体的性能
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李滢,陈小龙,孙超,宫骏
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Preparation and Performance of LnMgAl11O19(Ln=La, Nd) Powders for Thermal Barrier Coating
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Ying LI,Xiaolong CHEN,Chao SUN,Jun GONG
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| 表2 共沉淀法制备的各前驱粉体的结晶度 |
| Table 2 Degree of crystallinity of the precursor powders prepared by co-precipitation |
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| Temperature/℃ | Precursor powder 1 | Precursor powder 2 | Precursor powder 3 | Precursor powder 5 | Precursor powder 6 |
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| 900 | - | 46.83% | - | - | - | | 1000 | 55.55% | 52.97% | 63.84% | 31.01% | 48.57% | | 1100 | 60.83% | 77.19% | 89.88% | 55.92% | 90.25% | | 1200 | 95.31% | 94.36% | 83.80% | 86.84% | 87.52% | | 1300 | 76.51% | 69.87% | 76.55% | 83.60% | 86.56% | | 1400 | 78.11% | 71.34% | 71.13% | 78.66% | 77.85% | | 1500 | 79.70% | 75.68% | 89.74% | 83.81% | 85.08% |
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