| 不同涂层对304不锈钢高温防护效果的对比研究 |
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| 引用本文： | 张浩,张腾,邵艳群,唐电,夏鹏,叶旦旺.不同涂层对304不锈钢高温防护效果的对比研究[J].金属热处理,2012(2):96-101. |
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| 作者姓名： | 张浩 张腾 邵艳群 唐电 夏鹏 叶旦旺 |
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| 作者单位： | 福州大学材料研究所;福建三祥新材料有限公司 |
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| 基金项目： | 国家自然科学基金项目(50472004) |
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| 摘 要： | 采用溶胶凝胶法在304不锈钢表面上分别制备了SiO2、Al2O3、ZrO2防护涂层。通过X射线衍射(XRD)、扫描电镜(SEM)对不同氧化物涂层进行了结构和形貌的表征。对比了不同氧化物涂层保护样品的高温抗氧化性、抗热冲击性以及在3.5wt%NaCl溶液中的耐电化学腐蚀性。结果表明Al2O3涂层具有很好的高温抗氧化性和耐电化学腐蚀性,而ZrO2涂层具有良好的抗热冲击性能。
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| 关 键 词： | 溶胶凝胶 304不锈钢 高温氧化 热冲击性 |
Comparative study on the different protective coatings at high-temperature for stainless steel 304 |
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| ZHANG Hao,ZHANG Teng,SHAO Yan-qun,TANG Dian,XIA Peng,YE Dan-wang.Comparative study on the different protective coatings at high-temperature for stainless steel 304[J].Heat Treatment of Metals,2012(2):96-101. |
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| Authors: | ZHANG Hao ZHANG Teng SHAO Yan-qun TANG Dian XIA Peng YE Dan-wang |
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| Affiliation: | 1.Institute for Materials Research,Fuzhou University,Fuzhou Fujian 350108,China; 2.Fujian Sanxiang Advanced Materials Co.,Ltd.,Shouning Fujian 350555,China) |
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| Abstract: | Different protective oxide-coatings,including SiO2,Al2O3 and ZrO2,were prepared on the stainless steel(SS304) by sol-gel method.The crystalline phases and microstructure of these coatings were characterized using X-ray diffraction(XRD) and scanning electron microscopy(SEM),respectively.The high-temperature oxidation resistance,the thermal shock resistance and electrochemical corrosion resistance(in 3.5wt% NaCl solution) of the samples coated with different oxides were also compared.The results show that the Al2O3 coating exhibits the best high temperature oxidation resistance and electrochemical corrosion resistance and the ZrO2coating has the best thermal shock resistance among these coatings. |
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| Keywords: | sol-gel stainless steel 304 high temperature oxidation thermal shock resistance |
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