等离子喷涂纳米Al_2O_3-13%TiO_2涂层热学特性研究Thermal behavior of nanostructured Al_2O_3-13%TiO_2 ceramic coatings deposited by plasma spraying
路学成;阎殿然;杨勇;何继宁;董艳春;
摘要(Abstract):
采用大气等离子喷涂技术制备常规和纳米Al2O3-13%TiO2涂层,并利用XRD、SEM、TEM对其显微结构进行观察分析。通过热震试验和火焰喷烧试验,研究两种涂层的热冲击性能。结果表明:相同试验条件下纳米Al2O3-13%TiO2涂层的热震失效循环次数明显高于常规涂层,且热震温度越高表现越明显;Al2O3-13%TiO2陶瓷涂层可以显著提高钢板的抗火焰烧蚀能力,且纳米涂层具有更长抗烧蚀时间。
关键词(KeyWords): 等离子喷涂;Al2O3-13%TiO2涂层;热震试验;火焰喷烧试验
基金项目(Foundation): 国家自然科学基金51072045
作者(Author): 路学成;阎殿然;杨勇;何继宁;董艳春;
Email:
DOI: 10.14024/j.cnki.1004-244x.2011.03.021
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