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一、前言 高温无机盐料浆涂层是七十年代发展起来的一种较新型涂层,具有抗热腐蚀性能优越和工艺简便、成本低廉的特点。美国SERMETEL公司研制的SERMALOY J涂层,就是这样一种类型的高温防护涂层。据资料介绍,在美国J涂层已成功地应用于包括超级合金和不锈钢在内的近二十种材料,并常规地涂复了近十种机型的1、2级工作叶片和导向叶片。美国联
I. INTRODUCTION High-temperature inorganic salt slurry coating is a relatively new type of coating developed in seventies. It has the advantages of superior hot corrosion resistance, simple process and low cost. US SERMETEL company developed SERMALOY J coating, is such a type of high temperature protective coating. According to the information, J coating has been successfully applied in the United States, including super alloys and stainless steel, including nearly 20 kinds of materials, and conventional coating of nearly 10 models of 1,2-level working blades and guide vanes. United States