等离子喷涂纳米FeS-SiC复合涂层的显微结构研究
关耀辉,徐杨,郑仲瑜,佟晓辉
摘要(Abstract)：
以自制的纳米FeS-SiC复合粉末为原料,采用等离子喷涂技术制备了纳米结构FeS-SiC复合涂层。纳米粉末及涂层的形貌、成分、结构和物相组成分别由SEM,EDS,XRD表征。实验结果表明,纳米FeS-SiC复合粉末经造粒后的颗粒尺寸分布在20~80μm,流动性好,适于等离子喷涂。等离子喷涂纳米FeS-SiC复合涂层的晶粒呈现两种尺寸分布,一种是30~80nm的小晶粒,另一种是100~200nm的大晶粒。涂层的物相主要由FeS和SiC组成,还含有少量的Fe1-xS和氧化物。涂层的气孔率大约为19%。
关键词(KeyWords)： 等离子喷涂;纳米结构;FeS-SiC;复合涂层;显微结构
基金项目(Foundation): 国家自然科学基金资助项目(50375015)
作者(Author): 关耀辉,徐杨,郑仲瑜,佟晓辉
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