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镀铬钢板表面特性对涂饰性的影响 被引量:4
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作者 唐超 徐冬梅 +2 位作者 张裕海 郭明明 李建中 《电镀与涂饰》 CAS CSCD 北大核心 2015年第1期14-19,共6页
在一定温度下对镀铬钢板烘烤一定时间后进行涂漆,主要工序为除油、酸洗、电镀铬、电镀氧化铬和涂漆。研究了氧化铬层铬含量对镀铬板涂饰性的影响,探讨了烘烤时间和温度对镀铬板表面形貌、耐蚀性及其与漆膜之间结合力的影响。当氧化铬... 在一定温度下对镀铬钢板烘烤一定时间后进行涂漆,主要工序为除油、酸洗、电镀铬、电镀氧化铬和涂漆。研究了氧化铬层铬含量对镀铬板涂饰性的影响,探讨了烘烤时间和温度对镀铬板表面形貌、耐蚀性及其与漆膜之间结合力的影响。当氧化铬层铬含量为19.5~25.0mg/m2时,镀铬板表面具有较好的涂饰性。烘烤温度和烘烤时间对镀铬板表面形貌和耐蚀性无明显影响,但对氧化铬层与漆膜之间的结合力有着明显的影响。在200℃下对镀铬板烘烤20min后,镀铬板的涂饰性最佳。 展开更多
关键词 镀铬板 氧化铬层 涂饰 表面形貌 耐蚀性 结合力
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Cyclic oxidation and hot corrosion of Al_2O_3 or Y_2O_3-dispersed low-temperature chromizing coating 被引量:2
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作者 张海军 孙俭峰 周月波 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2013年第10期2923-2928,共6页
Chromium coatings with and without Al_2O_3 or Y_2O_3 particles were prepared by chromizing the as-deposited Ni-film with and without Al_2O_3 or Y_2O_3 particles using a conventional pack-cementation method at 800 ℃. ... Chromium coatings with and without Al_2O_3 or Y_2O_3 particles were prepared by chromizing the as-deposited Ni-film with and without Al_2O_3 or Y_2O_3 particles using a conventional pack-cementation method at 800 ℃. The cyclic oxidation at 800 ℃ and hot corrosion in molten 75% Na2SO4+25% NaC1 at 800 ℃ of the three different chromizing coatings were investigated. The effects of Al_2O_3 or Y_2O_3 on the cyclic oxidation and hot corrosion behavior of the chromizing coatings were discussed. Microstructure results show that the codeposited Al_2O_3 or Y_2O_3 particles significantly retard the grain growth of the chromizing coating, which increases the cyclic oxidation and hot corrosion resistance of the chromizing coatings, due to the more rapid formation of purer and denser chromia scnle 展开更多
关键词 ELECTRODEPOSITION chromizing coating cyclic oxidation hot corrosion
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Effect of different fillers on oxidation behavior of low-temperature chromizing coating 被引量:4
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作者 孟君晟 吉泽升 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2014年第6期1785-1790,共6页
Three different chromizing coatings were produced on Ni substrate using a conventional pack-cementation method with Al2O3,Al2O3+CeO2 and CeO2 acting as filler,respectively,at a greatly decreased temperature(700 ℃)... Three different chromizing coatings were produced on Ni substrate using a conventional pack-cementation method with Al2O3,Al2O3+CeO2 and CeO2 acting as filler,respectively,at a greatly decreased temperature(700 ℃).Effects of different fillers on the isothermal and cyclic oxidation resistance of chromizing coating in air at 850 ℃ were comparably investigated.Microstructure results show that the addition of CeO2 into the filler significantly retards the grain growth of the chromizing coating.Oxidation results indicate that the chromizing coating using CeO2 as filler exhibits somewhat increased oxidation resistance than the normal chromizmg coating,while the chromizing coating using Al2O3+CeO2 as filler exhibits much better oxidation resistance.The effects of different fillers on the oxidation behaviors were discussed in detail. 展开更多
关键词 chromizing coating FILLER CEO2 OXIDATION reactive element effect
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