| 涂覆工艺对金属基陶瓷涂层高温抗氧化性能影响的研究 |
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| 引用本文： | 杨柯,李家科,刘欣.涂覆工艺对金属基陶瓷涂层高温抗氧化性能影响的研究[J].中国陶瓷,2012(5):16-17,35. |
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| 作者姓名： | 杨柯 李家科 刘欣 |
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| 作者单位： | 景德镇陶瓷学院材料科学与工程学院;江西省先进陶瓷材料重点实验室 |
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| 摘 要： | 将陶瓷粘结料与Cr2O3或重烧MgO制成料浆,采用刷涂、浸渍和喷涂三种涂敷方法和高温熔烧工艺制备金属基Cr2O3或MgO质高温抗氧化陶瓷涂层。研究了三种涂敷方法、涂层厚度对涂层试样高温抗氧能力的影响规律。结果表明:当料浆组成、涂层厚度和熔烧制度相同条件下,采用喷涂工艺所制备的涂层试样具有最佳的抗氧化能力,且Cr2O3和MgO质陶瓷涂层在1200℃、30h的抗氧化能力分别是金属基体的约62倍和16倍。采用SEM对涂层的显微结构进行了表征,揭示涂覆工艺与涂层结构和抗氧化能力之间的关系。
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| 关 键 词： | 金属基体 陶瓷涂层 抗氧化 涂覆方法 |
STUDY ON EFFECT OF COATING METHODS ON HIGH-TEMPERATURE OXIDATION RESISTANT CERAMIC COATING WITH METAL SURFACE |
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| Yang Ke,Li Jiake,Liu Xin.STUDY ON EFFECT OF COATING METHODS ON HIGH-TEMPERATURE OXIDATION RESISTANT CERAMIC COATING WITH METAL SURFACE[J].China Ceramics,2012(5):16-17,35. |
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| Authors: | Yang Ke Li Jiake Liu Xin |
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| Affiliation: | 1 School of material science and engineering,Jingdezhen Ceramic Institute,Jingdezhen 333001; 2 Key Laboratory of Jiangxi province for advanced ceramic materials,Jingdezhen 333001) |
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| Abstract: | High temperature oxidation resistant ceramic coating on metal surface was prepared by slurry(consisting of ceramic cementing material and Cr2O3 or MgO) techniques and high temperature fusing in air.Effect of different coating methods(namely brushing,dipping and spraying) and coating thickness on oxidation resistant abilities for the samples was systematical studied.The results show that when slurry composition,coating thickness and fusing system are identical to three kinds of coating techniques,the ceramic coatings own the best oxidation resistant abilities by spraying method than those by dipping and brushing methods,and for Cr2O3-or MgO-based ceramic coating,oxidation resistant abilities is about 62 or 16 times against metal-matrix at 1200℃ for 30h in air.Microstructure of the ceramic coatings were analyzed by means of SEM,and relationship between coating techniques and oxidation resistant abilities of the samples were investigated |
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| Keywords: | metal matrix ceramic coatings oxidation resistance coating methods |
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